Portsmouth Rhode Island Weather Almanac  
Monday, February 3, 2025  
Cloudy, Light Snow to Light Rain early, Partly Cloudy Day to Mostly Cloudy PM, Much Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2025
    February 3, 2025   Record   Record  
Observed Daily Data   2025   2024   Norm   Depart   Highest   Lowest  
Maximum Temperature   42   37   38   +4   54   in 2016   12   in 1917  
Minimum Temperature   33   29   24   +9   40   in 2006   -3   in 2023  
Average Temperature   38   33   31   +7   47   in 1983   5   in 1955  
 Month Avg Max Temperature   39.0   41.3   37.3   +1.7   53.7   in 2016   17.0   in 1971  
Month Avg Min Temperature   20.3   32.3   23.3   -3.0   37.3   in 2016   2.7   in 1961  
Month Average Temperature   30.0   37.0   31.0   -1.0   45.7   in 2016   10.7   in 1971  
High Heat Index   76               76   in 2024            
Low Wind Chill   26   18   9   +17             -29   in 2023  
Heating Degree Days   27   32   34   -7   60   in 1955   18   in 1983  
Month Heating DD   105   84   102   +3   163   in 1971   58   in 2016  
Season Heating DD   2856   2754   3021   -165   3909   in 1918   2349   in 2016    
Cooling Degree Days   0   0   #REF!   #REF!   0   in 1900   0   in All    
Month Cooling DD                                        
Year Cooling DD                                        
Maximum Dew Point   41   32   28   +13   54   in 1973   -2   in 1955    
Minimum Dew Point   32   17   12   +20   37   in 2022   -20   in 2023    
Average  Dew Point   37   25   20   +17   45   in 2006   -11   in 1955  
 Month Avg Max Dew Point   38.0   35.7   27.7   +10.3   44.7   in 1982   -3.3   in 1971  
Month Avg Min Dew Point   12.0   26.0   11.7   +0.3   30.7   in 2016   -19.0   in 1961  
Month Average Dew Point   25.3   31.0   20.0   +5.3   37.3   in 2016   -7.0   in 1971  
Precipitation   .14   .00   .11   +.03   1.81   in 1970            
One Hour Rain   .11   .00           .56   in 1999            
Half Hour Rain   .05   .00         .13   in 2016            
Hourly Rain Rate   .09   .00           .54   in 2016            
Month Precipitation   .39   T   .33   +.06   2.32   in 1915   .00   in 2019  
Year Precipitation   2.29   6.75   4.00   -1.71   12.07   in 1979   1.00   in 1955    
Snow   0.1   0.0   0.3   -0.2   6.1   in 1996   0.0   in      
Snow Depth   1   0   1.8   -0.8   24   in 1898   0   in      
Month Snow   1.5   0.0   0.9   0.6   10.9   in 1898   0.0   in 2024    
Season Snow   4.9   6.6   18.0   -13.1   51.0   in 1996   1.5   in 1989    
    February 3, 2025     Record Record  
Observed Daily Data   2025   2024   Norm   Depart   Highest Lowest  
Maximum Humidity   96%   94%   85%   +11%   100%   in 2022   42%   in 1992    
Minimum Humidity   78%   51%   55%   +23%   95%   in 2022   17%   in 1992    
Average Humidity   87%   73%   70%   +17%   98%   in 2022   30%   in 1992    
Maximum Barometer   30.26   30.02   30.18   +00.08   30.73   in 1971   29.33   in 1958  
Minimum Barometer   29.76   29.93   29.80   -00.04   30.50   in 1971   28.83   in 1983  
Average Barometer   30.01   29.98   29.99   +00.02   30.62   in 1971   29.25   in 1958  
Average Wind   6.8   12.5   8.6   -1.8   21.4   in 2023   3.3   in 2008  
Direction   SSW   N   NW       NW         W        
High Wind Gust   31   28   27   +4   54   in 1970   12   in 2008  
Direction   SSW   N   WNW       S         SSW        
Maximum Water Temp   38.8   42.1   39.0   -0.2   43.0   in 2016   33.8   in 2018  
Minimum Water Temp   36.3   41.0   37.0   -0.7   41.8   in 2016   31.1   in 2019  
Average Water Temp   37.6   41.6   38.0   -0.5   42.4   in 2016   33.2   in 2019  
Sunrise/ AM Twilight   6:55:12 AM   6:54:24 AM            
Sunset / PM Twilight   5:03:53 PM   5:33:54 PM            
Length Of Day   10:08:41                          
Special Conditions   Fog                                  
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