| Portsmouth Rhode Island Weather Almanac |
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| Saturday,
April 12, 2025 |
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| Cloudy, Rain
and Fog early, Very Windy and Colder |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2025 |
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April 12, 2025 |
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Record |
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Record |
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| Observed Daily Data |
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2025 |
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2024 |
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Norm |
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Depart |
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Highest |
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Lowest |
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| Maximum Temperature |
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40 |
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57 |
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54 |
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-14 |
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77 |
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in |
1977 |
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34 |
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in |
1918 |
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| Minimum
Temperature |
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36 |
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46 |
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38 |
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-2 |
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51 |
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in |
2023 |
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22 |
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in |
1976 |
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| Average Temperature |
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38 |
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52 |
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46 |
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-8 |
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63 |
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in |
2023 |
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32 |
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in |
1976 |
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| Month Avg Max Temperature |
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50.8 |
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51.9 |
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52.2 |
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-1.4 |
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62.8 |
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in |
2010 |
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42.8 |
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in |
2003 |
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| Month Avg
Min Temperature |
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36.3 |
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38.8 |
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36.9 |
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-0.7 |
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44.1 |
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in |
2010 |
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28.3 |
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in |
1982 |
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| Month Average
Temperature |
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43.8 |
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45.6 |
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44.8 |
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-1.1 |
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53.7 |
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in |
2010 |
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37.6 |
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in |
1982 |
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| High Heat Index |
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| Low Wind
Chill |
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27 |
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39 |
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31 |
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-4 |
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8 |
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in |
1976 |
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| Heating Degree Days |
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27 |
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13 |
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19 |
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+8 |
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33 |
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in |
1976 |
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2 |
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in |
2023 |
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| Month Heating DD |
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255 |
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233 |
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242 |
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+13 |
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329 |
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in |
1982 |
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136 |
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in |
2010 |
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| Season
Heating DD |
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4618 |
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4465 |
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4892 |
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-274 |
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5954 |
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in |
1918 |
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4070 |
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in |
2012 |
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| Cooling Degree Days |
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0 |
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0 |
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0 |
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+0 |
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0 |
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in |
1900 |
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0 |
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in |
All |
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| Month Cooling DD |
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| Year Cooling DD |
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| Maximum Dew Point |
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39 |
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56 |
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42 |
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-3 |
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56 |
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in |
2024 |
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13 |
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in |
1976 |
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| Minimum
Dew Point |
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34 |
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44 |
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28 |
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+6 |
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47 |
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in |
2008 |
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2 |
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in |
1976 |
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| Average Dew Point |
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37 |
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50 |
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35 |
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+2 |
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51 |
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in |
2008 |
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8 |
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in |
1976 |
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| Month Avg Max Dew Point |
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43.3 |
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42.5 |
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40.0 |
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+3.3 |
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49.8 |
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in |
2010 |
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27.8 |
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in |
1965 |
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| Month Avg
Min Dew Point |
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28.6 |
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33.8 |
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26.5 |
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+2.1 |
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37.6 |
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in |
2010 |
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12.2 |
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in |
1982 |
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| Month Average Dew Point |
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36.0 |
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38.1 |
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33.3 |
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+2.7 |
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43.7 |
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in |
2010 |
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20.5 |
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in |
1982 |
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| Precipitation |
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.24 |
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.76 |
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.14 |
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+.10 |
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1.91 |
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in |
1913 |
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| One Hour
Rain |
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.08 |
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.29 |
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.42 |
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in |
2007 |
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| Half Hour
Rain |
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.05 |
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.23 |
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.24 |
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in |
2007 |
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| Hourly Rain Rate |
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.39 |
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2.73 |
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2.73 |
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in |
2024 |
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| Month Precipitation |
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1.91 |
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3.21 |
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1.75 |
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+.16 |
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5.72 |
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in |
1983 |
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.03 |
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in |
1963 |
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| Year Precipitation |
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11.17 |
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22.05 |
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13.21 |
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-2.04 |
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24.99 |
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in |
1983 |
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6.57 |
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in |
2012 |
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| Snow |
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0.0 |
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0.0 |
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0.0 |
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+0.0 |
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T |
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in |
1997 |
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0.0 |
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in |
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| Snow Depth |
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0 |
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0 |
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0.1 |
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-0.1 |
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3 |
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in |
1958 |
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0 |
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in |
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| Month Snow |
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T |
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0.0 |
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0.5 |
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-0.5 |
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9.6 |
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in |
1996 |
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0.0 |
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in |
2024 |
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| Season Snow |
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11.9 |
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12.7 |
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33.5 |
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-21.6 |
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84.1 |
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in |
1996 |
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5.0 |
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in |
1998 |
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April
12, 2025 |
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|
Record |
Record |
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| Observed Daily Data |
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2025 |
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2024 |
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Norm |
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Depart |
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Highest |
Lowest |
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| Maximum Humidity |
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97% |
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99% |
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85% |
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+12% |
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100% |
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in |
2003 |
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50% |
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in |
1975 |
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| Minimum
Humidity |
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87% |
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95% |
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44% |
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+43% |
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95% |
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in |
2024 |
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19% |
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in |
1985 |
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| Average Humidity |
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92% |
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97% |
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64% |
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+28% |
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97% |
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in |
2024 |
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37% |
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in |
1963 |
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| Maximum Barometer |
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30.10 |
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29.88 |
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30.13 |
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-00.03 |
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30.68 |
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in |
1909 |
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29.65 |
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in |
1963 |
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| Minimum
Barometer |
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29.88 |
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29.42 |
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29.84 |
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+00.04 |
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30.36 |
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in |
2002 |
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29.04 |
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in |
1932 |
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| Average Barometer |
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29.99 |
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29.65 |
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29.99 |
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+00.00 |
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30.51 |
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in |
2002 |
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29.47 |
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in |
1965 |
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| Average
Wind |
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17.4 |
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18.4 |
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7.7 |
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+9.7 |
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18.4 |
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in |
2024 |
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2.7 |
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in |
1994 |
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| Direction |
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NE |
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SSE |
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NW |
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SSE |
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SSW |
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| High
Wind Gust |
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37 |
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53 |
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26 |
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+11 |
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53 |
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in |
2024 |
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13 |
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in |
1971 |
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| Direction |
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NNE |
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SSE |
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NNW |
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SSE |
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S |
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| Maximum Water Temp |
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44.4 |
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46.6 |
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45.8 |
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-1.4 |
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53.3 |
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in |
2010 |
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39.4 |
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in |
2003 |
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| Minimum
Water Temp |
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43.5 |
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45.1 |
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43.1 |
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+0.4 |
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47.6 |
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in |
2012 |
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38.4 |
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in |
2003 |
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| Average Water Temp |
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44.0 |
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45.9 |
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44.5 |
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-0.6 |
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49.0 |
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in |
2010 |
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38.9 |
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in |
2003 |
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| Sunrise/ AM Twilight |
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7:01:20 AM |
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5:39:40 AM |
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| Sunset /
PM Twilight |
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7:22:42 PM |
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7:51:50 PM |
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| Length Of Day |
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13:13:52 |
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| Special
Conditions |
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Fog |
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| Comments |
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| Hour-by-Hour Weather For April 12, 2025 |
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| Climate Weather for April 12 |
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| Weather History For April 12 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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