Thornton, New Hampshire
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 28° -35° (1994) 64° (1957) 3.24" 19.9"
February 33° -28° (1993) 63° (1957) 3.11" 15.3"
March 18° 41° -20° (1972) 79° (1998) 3.3" 12.9"
April 29° 55° 3° (1969) 92° (1976) 3.35" 3.4"
May 39° 67° 20° (1966) 93° (1977) 3.81" 0.2"
June 49° 75° 26° (1988) 96° (1952) 4.15" 0"
July 54° 80° 33° (1957) 98° (1952) 4.11" 0"
August 52° 79° 29° (1965) 98° (1975) 4.09" 0"
September 44° 70° 22° (2000) 95° (2002) 3.35" 0"
October 33° 58° 15° (1978) 88° (1963) 4.31" 0.1"
November 25° 45° -5° (1989) 73° (1974) 4.05" 3.2"
December 14° 33° -23° (1989) 65° (1982) 3.57" 14.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 20° 39° -3° (1958) 62° (1962) 0.12" 0.3"
Dec 2 20° 38° -10° (1989) 61° (2001) 0.12" 0.4"
Dec 3 19° 38° -5° (1976) 56° (1982) 0.12" 0.3"
Dec 4 19° 38° -10° (1976) 51° (2001) 0.13" 0.4"
Dec 5 19° 37° -4° (1989) 65° (1982) 0.13" 0.4"
Dec 6 18° 37° -8° (1989) 58° (2001) 0.12" 0.4"
Dec 7 18° 36° 0° (1989) 64° (2001) 0.12" 0.4"
Dec 8 17° 36° -6° (1972) 63° (1998) 0.12" 0.4"
Dec 9 17° 36° -14° (1989) 51° (1974) 0.13" 0.5"
Dec 10 16° 35° -14° (1989) 53° (1987) 0.12" 0.4"
Dec 11 16° 35° -12° (1958) 58° (1966) 0.13" 0.5"
Dec 12 15° 35° -11° (1988) 56° (1969) 0.12" 0.5"
Dec 13 15° 34° -9° (1988) 59° (1979) 0.12" 0.4"
Dec 14 14° 34° -11° (1958) 55° (1984) 0.12" 0.5"
Dec 15 14° 33° -10° (2005) 46° (2006) 0.11" 0.5"
Dec 16 14° 33° -9° (2005) 46° (1993) 0.11" 0.5"
Dec 17 13° 33° -23° (1951) 50° (1956) 0.11" 0.5"
Dec 18 13° 32° -11° (1988) 57° (2000) 0.1" 0.5"
Dec 19 12° 32° -12° (1985) 47° (2006) 0.11" 0.6"
Dec 20 12° 32° -17° (1951) 46° (1997) 0.1" 0.5"
Dec 21 11° 31° -16° (1980) 57° (1957) 0.11" 0.5"
Dec 22 11° 31° -15° (1980) 52° (1994) 0.11" 0.6"
Dec 23 11° 31° -15° (1960) 50° (1990) 0.1" 0.5"
Dec 24 10° 31° -23° (1989) 54° (1990) 0.11" 0.5"
Dec 25 10° 30° -23° (1989) 50° (1957) 0.11" 0.6"
Dec 26 10° 30° -22° (1980) 54° (1982) 0.11" 0.5"
Dec 27 30° -15° (1968) 55° (1982) 0.11" 0.6"
Dec 28 30° -14° (1960) 41° (2003) 0.12" 0.5"
Dec 29 29° -16° (1960) 54° (1982) 0.11" 0.6"
Dec 30 29° -14° (1987) 57° (1984) 0.11" 0.6"
Dec 31 29° -14° (1956) 44° (1951) 0.11" 0.5"
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