Portsmouth, Rhode Island
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 23° 38° -9° (1982) 65° (1967) 4.23" NA
February 23° 39° -3° (1979) 65° (1976) 3.54" NA
March 31° 46° 3° (1980) 78° (1998) 4.51" NA
April 39° 54° 10° (1982) 86° (1976) 4.29" NA
May 48° 63° 25° (1985) 89° (1965) 3.52" NA
June 58° 72° 37° (1991) 93° (1991) 3.11" NA
July 64° 78° 41° (1986) 96° (1993) 3.01" NA
August 65° 77° 41° (1965) 98° (1975) 3.72" NA
September 58° 71° 35° (1965) 93° (1983) 3.57" NA
October 48° 62° 26° (1966) 81° (1967) 3.71" NA
November 38° 52° 11° (1987) 75° (1983) 4.47" NA
December 29° 43° -5° (1980) 69° (1998) 4.32" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 26° 42° 9° (1980) 56° (1983) 0.13" NA
Mar 2 27° 42° 3° (1980) 60° (1985) 0.13" NA
Mar 3 27° 42° 9° (1962) 60° (1991) 0.14" NA
Mar 4 27° 42° 10° (1968) 55° (1991) 0.14" NA
Mar 5 27° 43° 14° (1978) 58° (1985) 0.14" NA
Mar 6 28° 43° 12° (1986) 55° (1973) 0.14" NA
Mar 7 28° 43° 15° (1990) 59° (1988) 0.14" NA
Mar 8 28° 44° 10° (1986) 67° (1987) 0.14" NA
Mar 9 29° 44° 12° (1996) 58° (1973) 0.14" NA
Mar 10 29° 44° 10° (1984) 60° (2000) 0.14" NA
Mar 11 29° 44° 11° (1960) 63° (1977) 0.14" NA
Mar 12 29° 45° 11° (1984) 63° (1973) 0.14" NA
Mar 13 30° 45° 12° (1980) 74° (1990) 0.15" NA
Mar 14 30° 45° 20° (1968) 69° (1990) 0.15" NA
Mar 15 30° 45° 12° (1980) 71° (1990) 0.15" NA
Mar 16 31° 46° 15° (1993) 60° (1986) 0.15" NA
Mar 17 31° 46° 12° (1981) 62° (1990) 0.15" NA
Mar 18 31° 46° 8° (1981) 57° (1999) 0.15" NA
Mar 19 31° 47° 7° (1967) 67° (1999) 0.15" NA
Mar 20 32° 47° 7° (1967) 62° (1959) 0.15" NA
Mar 21 32° 47° 13° (1986) 57° (2001) 0.15" NA
Mar 22 32° 47° 16° (1988) 64° (1979) 0.15" NA
Mar 23 32° 48° 17° (1959) 59° (1979) 0.15" NA
Mar 24 33° 48° 23° (1997) 60° (1987) 0.15" NA
Mar 25 33° 48° 21° (1971) 63° (1987) 0.15" NA
Mar 26 33° 48° 13° (1960) 63° (1976) 0.15" NA
Mar 27 34° 49° 18° (1975) 63° (1993) 0.15" NA
Mar 28 34° 49° 14° (1982) 73° (1985) 0.15" NA
Mar 29 34° 49° 18° (1974) 78° (1998) 0.15" NA
Mar 30 34° 49° 21° (1970) 68° (1977) 0.15" NA
Mar 31 35° 50° 21° (1991) 71° (1981) 0.15" NA
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