Northumberland, New Hampshire
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 25° -39° (1994) 62° (1995) 2.26" 17.8"
February 29° -40° (1979) 63° (1981) 1.99" 15.2"
March 14° 39° -28° (2007) 78° (1977) 2.25" 11.8"
April 28° 53° -1° (1969) 90° (1990) 2.96" 4.4"
May 39° 66° 18° (1985) 91° (1978) 3.43" 0"
June 49° 75° 28° (1986) 95° (1994) 4.27" 0"
July 54° 79° 32° (1982) 95° (1977) 4.04" 0"
August 52° 77° 28° (1982) 94° (2001) 4.51" 0"
September 44° 69° 21° (1980) 93° (1999) 3.47" 0"
October 33° 56° 8° (1972) 82° (1979) 3.75" 0.3"
November 25° 43° -9° (1989) 73° (1982) 3.3" 4.8"
December 11° 30° -36° (1980) 62° (2006) 2.69" 19.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 19° 36° -8° (1958) 62° (2006) 0.09" 0.5"
Dec 2 18° 35° -14° (1989) 57° (2001) 0.1" 0.4"
Dec 3 18° 35° -12° (1978) 50° (1996) 0.09" 0.5"
Dec 4 17° 34° -13° (1976) 62° (1982) 0.1" 0.6"
Dec 5 17° 34° -16° (1971) 56° (1998) 0.1" 0.5"
Dec 6 16° 34° -8° (1971) 60° (1982) 0.09" 0.6"
Dec 7 16° 33° -2° (2007) 58° (1998) 0.1" 0.6"
Dec 8 15° 33° -18° (1989) 60° (1998) 0.09" 0.6"
Dec 9 15° 32° -25° (1989) 50° (1974) 0.1" 0.6"
Dec 10 14° 32° -15° (1989) 49° (1973) 0.09" 0.6"
Dec 11 13° 32° -23° (1958) 55° (1969) 0.09" 0.6"
Dec 12 13° 31° -24° (1977) 56° (1979) 0.09" 0.7"
Dec 13 12° 31° -20° (1989) 56° (1979) 0.09" 0.6"
Dec 14 12° 30° -19° (1976) 54° (2010) 0.09" 0.6"
Dec 15 11° 30° -20° (1989) 49° (2006) 0.08" 0.7"
Dec 16 11° 30° -18° (1970) 52° (2008) 0.09" 0.7"
Dec 17 10° 29° -13° (1988) 45° (1982) 0.08" 0.7"
Dec 18 10° 29° -15° (1972) 57° (2000) 0.08" 0.7"
Dec 19 29° -28° (1985) 43° (1996) 0.08" 0.7"
Dec 20 29° -25° (1980) 58° (1957) 0.08" 0.7"
Dec 21 28° -24° (1980) 58° (1957) 0.08" 0.7"
Dec 22 28° -29° (1958) 46° (1957) 0.08" 0.7"
Dec 23 28° -20° (1989) 57° (1990) 0.08" 0.6"
Dec 24 27° -29° (1989) 54° (2004) 0.08" 0.7"
Dec 25 27° -32° (1980) 52° (2003) 0.08" 0.7"
Dec 26 27° -36° (1980) 53° (1982) 0.09" 0.7"
Dec 27 27° -29° (1968) 54° (1957) 0.08" 0.7"
Dec 28 27° -19° (1976) 39° (2009) 0.08" 0.7"
Dec 29 26° -21° (1960) 52° (1982) 0.08" 0.7"
Dec 30 26° -20° (1993) 45° (1990) 0.08" 0.7"
Dec 31 26° -16° (1956) 42° (1990) 0.08" 0.6"
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