Alton, New York
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -8° -32.8° (1963) 22.2° (1950) 2.54" NA
February -8° -31.1° (1979) 19.4° (1976) 2.04" NA
March -3° -21.7° (1960) 29.4° (1977) 2.58" NA
April 13° -10.6° (1982) 33.3° (1990) 3.18" NA
May 20° -3.9° (2006) 34.4° (2006) 3.18" NA
June 13° 25° 1.1° (1964) 36.7° (1953) 3.7" NA
July 16° 28° 5.6° (2005) 37.8° (1966) 3.08" NA
August 15° 27° 2.8° (1957) 38.3° (1953) 3.31" NA
September 11° 22° -3.3° (1963) 36.7° (2007) 4.04" NA
October 16° -6.1° (1988) 31.1° (1963) 3.77" NA
November -13.3° (1957) 27.8° (1950) 3.92" NA
December -5° -24.4° (1960) 21.1° (1998) 3.01" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 16.7° -3° (1978) 32° (1970) 0.1" NA
May 2 5.6° 17.2° -2° (1961) 29° (1954) 0.1" NA
May 3 5.6° 17.2° -1° (1966) 30° (2001) 0.1" NA
May 4 5.6° 17.8° -2° (1978) 30° (2001) 0.1" NA
May 5 6.1° 17.8° -2° (2005) 28° (1980) 0.1" NA
May 6 6.1° 18.3° -2° (1958) 30° (1950) 0.1" NA
May 7 6.1° 18.3° -3.9° (2006) 31° (1982) 0.1" NA
May 8 6.7° 18.3° -1° (1956) 32° (1979) 0.1" NA
May 9 6.7° 18.9° -2° (1956) 32° (1979) 0.1" NA
May 10 6.7° 18.9° -4° (1958) 31° (2005) 0.1" NA
May 11 7.2° 19.4° -2° (1961) 32° (1953) 0.1" NA
May 12 7.2° 19.4° -2° (1963) 31° (1953) 0.1" NA
May 13 7.2° 20° -2° (2005) 29° (2004) 0.1" NA
May 14 7.8° 20° 1° (1967) 30° (2004) 0.1" NA
May 15 7.8° 20° 1° (1969) 29° (1951) 0.1" NA
May 16 7.8° 20.6° -1° (1959) 33° (1991) 0.1" NA
May 17 8.3° 20.6° -3° (1956) 32° (1998) 0.1" NA
May 18 8.3° 20.6° -2° (1983) 31° (1962) 0.1" NA
May 19 8.3° 21.1° 2° (1981) 33° (1996) 0.1" NA
May 20 8.9° 21.1° 2° (1956) 32° (1962) 0.1" NA
May 21 8.9° 21.1° 0° (1967) 31° (1977) 0.1" NA
May 22 8.9° 21.7° 1° (1990) 32° (1977) 0.1" NA
May 23 9.4° 21.7° -2° (1967) 32° (1964) 0.1" NA
May 24 9.4° 21.7° -1° (1958) 32.2° (2007) 0.11" NA
May 25 9.4° 22.2° -2° (1956) 31.1° (2007) 0.11" NA
May 26 10° 22.2° 2° (1961) 30° (1975) 0.11" NA
May 27 10° 22.2° -1° (1969) 32° (1978) 0.11" NA
May 28 10° 22.8° 1° (1983) 32° (1987) 0.11" NA
May 29 10° 22.8° 0° (1956) 32.8° (2006) 0.11" NA
May 30 10.6° 22.8° 1° (1961) 34.4° (2006) 0.11" NA
May 31 10.6° 23.3° -3° (1961) 32.2° (2006) 0.11" NA
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