Alton, New Hampshire
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 11° 29° -24° (1994) 64° (2007) 2.87" 20.4"
February 13° 34° -17° (1988) 63° (1997) 3.01" 14.2"
March 22° 43° -11° (2003) 78° (1977) 3.35" 7.3"
April 34° 56° 12° (1995) 92° (2002) 3.72" 1.6"
May 45° 68° 29° (1997) 95° (1987) 3.71" 0.1"
June 55° 76° 38° (1986) 96° (1994) 4.36" 0"
July 61° 82° 45° (1988) 98° (1991) 4.3" 0"
August 59° 81° 40° (1988) 100° (1987) 3.73" 0"
September 51° 72° 30° (2000) 95° (2002) 3.44" 0"
October 40° 60° 24° (2002) 83° (1990) 4.5" 0.1"
November 31° 47° 7° (1989) 75° (1990) 3.9" 1.9"
December 20° 35° -13° (1989) 69° (1998) 3.37" 10.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 40° 63° 28° (2008) 83° (2004) 0.12" 0"
May 2 40° 63° 31° (2008) 87° (2001) 0.12" 0"
May 3 41° 63° 30° (1984) 89° (2001) 0.12" 0"
May 4 41° 64° 29° (1986) 90° (2001) 0.11" 0"
May 5 41° 64° 29° (1997) 86° (2001) 0.12" 0"
May 6 42° 65° 30° (1997) 78° (1988) 0.13" 0"
May 7 42° 65° 32° (1992) 81° (1993) 0.12" 0.1"
May 8 42° 65° 32° (1987) 88° (2000) 0.11" 0"
May 9 43° 66° 30° (1985) 82° (2007) 0.12" 0"
May 10 43° 66° 33° (1983) 86° (1993) 0.11" 0"
May 11 43° 66° 32° (2010) 87° (2007) 0.11" 0"
May 12 44° 67° 35° (1992) 87° (1993) 0.12" 0"
May 13 44° 67° 35° (1987) 85° (1991) 0.11" 0"
May 14 44° 67° 31° (1996) 85° (1985) 0.12" 0"
May 15 45° 67° 33° (1996) 81° (1987) 0.11" 0"
May 16 45° 68° 35° (1987) 87° (2004) 0.11" 0"
May 17 45° 68° 34° (2003) 88° (1991) 0.12" 0"
May 18 46° 68° 31° (1983) 88° (1977) 0.11" 0"
May 19 46° 69° 34° (2002) 88° (1986) 0.12" 0"
May 20 46° 69° 31° (2002) 90° (1986) 0.12" 0"
May 21 47° 69° 35° (2002) 90° (1989) 0.13" 0"
May 22 47° 70° 37° (2002) 92° (1992) 0.12" 0"
May 23 47° 70° 40° (2007) 92° (1992) 0.12" 0"
May 24 48° 70° 38° (1990) 90° (1992) 0.13" 0"
May 25 48° 70° 35° (1992) 90° (1991) 0.13" 0"
May 26 48° 71° 38° (1992) 91° (2010) 0.12" 0"
May 27 49° 71° 36° (1997) 93° (2010) 0.13" 0"
May 28 49° 71° 31° (2009) 85° (1986) 0.13" 0"
May 29 49° 72° 39° (1977) 92° (1987) 0.12" 0"
May 30 50° 72° 39° (1977) 95° (1987) 0.12" 0"
May 31 50° 72° 39° (2004) 95° (1987) 0.13" 0"
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