Portsmouth Rhode Island Weather Almanac
Thursday, March 13, 2025
Mostly Cloudy early, Partly Cloudy Day to Mostly Cloudy PM, Cooler
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2025
		March 13, 2025								Record					Record
Observed Daily Data		2025		2024		Norm		Depart		Highest					Lowest
Maximum Temperature		47		54		45		+2		74		in	1990		29		in	1896
Minimum Temperature		34		32		30		+4		46		in	2012		12		in	1980
Average Temperature		41		43		37		+4		55		in	1990		21		in	1896
Month Avg Max Temperature		47.2		49.7		45.2		+1.9		52.3		in	1894		32.8		in	1916
Month Avg Min Temperature		29.5		35.6		32.2		-2.8		37.0		in	1973		18.8		in	1984
Month Average Temperature		38.6		42.8		38.6		+0.0		44.8		in	1973		27.1		in	1916
High Heat Index		76								76		in	2024
Low Wind Chill		30		31		21		+9							-2		in	1998
Heating Degree Days		24		22		28		-4		44		in	1896		10		in	1990
Month Heating DD		343		288		379		-36		493		in	1916		263		in	1973
Season Heating DD		4005		3835		4205		-200		5241		in	1905		3474		in	2016
Cooling Degree Days		0		0		#REF!		#REF!		0		in	1900		0		in	All
Month Cooling DD
Year Cooling DD
Maximum Dew Point		35		36		34		+1		55		in	1990		7		in	1997
Minimum Dew Point		26		25		19		+7		42		in	2006		-12		in	1980
Average  Dew Point		31		31		27		+4		47		in	2006		3		in	1997
Month Avg Max Dew Point		34.2		42.2		32.8		+1.4		42.2		in	2024		18.5		in	1960
Month Avg Min Dew Point		18.6		30.1		17.6		+1.0		30.5		in	1973		2.5		in	1980
Month Average Dew Point		26.6		36.1		25.6		+1.0		36.1		in	2024		12.2		in	1984
Precipitation		.00		.00		.14		-.14		2.37		in	1993
One Hour Rain		.00		.00						.73		in	1993
Half Hour Rain		.00		.00						.18		in	2010
Hourly Rain Rate		.00		.00						1.03		in	2020
Month Precipitation		.42		5.02		1.73		-1.31		5.49		in	1983		.04		in	1915
Year Precipitation		5.60		14.58		8.83		-3.23		18.97		in	1979		3.23		in	1980
Snow		0.0		0.0		0.2		-0.2		9.5		in	2018		0.0		in
Snow Depth		0		0		0.6		-0.6		13		in	1939		0		in
Month Snow		0.0		T		2.8		-2.8		18.9		in	1941		0.0		in	2025
Season Snow		11.9		12.7		30.1		-18.2		75.0		in	2005		4.7		in	1998
		March 13, 2025								Record					Record
Observed Daily Data		2025		2024		Norm		Depart		Highest					Lowest
Maximum Humidity		77%		93%		86%		-9%		100%		in	2013		42%		in	1997
Minimum Humidity		49%		37%		51%		-2%		92%		in	1966		19%		in	2021
Average Humidity		63%		65%		68%		-5%		96%		in	1953		33%		in	2021
Maximum Barometer		30.16		30.02		30.11		+00.05		30.74		in	1984		29.42		in	1983
Minimum Barometer		30.09		29.84		29.75		+00.34		30.40		in	1995		28.52		in	1993
Average Barometer		30.13		29.93		29.93		+00.19		30.51		in	1984		29.25		in	1983
Average Wind		7.9		6.8		8.5		-0.6		19.7		in	1959		2.8		in	2006
Direction		E		S		WNW				W					SSE
High Wind Gust		28		20		27		+1		57		in	1993		10		in	1971
Direction		E		S		NNW				ENE					SE
Maximum Water Temp		42.4		43.7		40.0		+2.4		45.7		in	2012		35.6		in	2003
Minimum Water Temp		40.6		41.4		38.2		+2.4		44.6		in	2012		33.7		in	2015
Average Water Temp		41.5		42.6		39.1		+2.4		45.2		in	2012		34.8		in	2015
Sunrise/ AM Twilight		6:59:40 AM						6:30:43 AM
Sunset / PM Twilight		6:49:47 PM						7:18:04 PM
Length Of Day		11:50:07
Special Conditions		None
Comments		Abnormaly Dry
Hour-by-Hour Weather For March 13, 2025
Climate Weather for March 13
Weather History For March 13
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