Groton, New York
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 15° 31° -25° (1957) 68° (1950) 2.08" 17.6"
February 17° 34° -25° (1961) 67° (1997) 2.06" 14.2"
March 23° 42° -17° (1993) 85° (1977) 2.64" 11.7"
April 34° 56° 11° (1982) 91° (2009) 3.29" 3.4"
May 44° 67° 22° (1978) 93° (1996) 3.19" 0.2"
June 53° 76° 31° (1986) 102° (1933) 3.99" 0"
July 58° 80° 38° (1963) 103° (1936) 3.83" 0"
August 56° 79° 32° (1965) 98° (1931) 3.63" 0"
September 49° 71° 24° (1991) 100° (1931) 3.69" 0"
October 38° 59° 15° (1928) 91° (1953) 3.42" 0.4"
November 32° 48° -4° (1976) 81° (1950) 3.16" 4.5"
December 22° 36° -19° (1988) 69° (1998) 2.4" 12.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 39° 62° 26° (1987) 88° (1942) 0.1" 0"
May 2 39° 63° 25° (1974) 87° (1926) 0.1" 0.1"
May 3 39° 63° 26° (1966) 85° (2001) 0.1" 0"
May 4 40° 64° 22° (1978) 88° (1928) 0.1" 0"
May 5 40° 64° 25° (1974) 89° (1955) 0.1" 0"
May 6 40° 64° 27° (1969) 89° (1949) 0.1" 0"
May 7 41° 65° 25° (1968) 89° (1939) 0.1" 0.1"
May 8 41° 65° 25° (1956) 88° (1936) 0.1" 0"
May 9 41° 65° 25° (1985) 88° (1979) 0.09" 0"
May 10 42° 66° 22° (1947) 89° (1979) 0.1" 0"
May 11 42° 66° 26° (1949) 89° (1936) 0.1" 0"
May 12 42° 66° 28° (1963) 87° (1936) 0.1" 0"
May 13 42° 67° 27° (1967) 86° (1942) 0.09" 0"
May 14 43° 67° 27° (1996) 85° (2004) 0.1" 0"
May 15 43° 67° 30° (1971) 87° (1940) 0.1" 0"
May 16 43° 68° 30° (1936) 88° (1932) 0.1" 0"
May 17 44° 68° 26° (1956) 89° (1962) 0.1" 0"
May 18 44° 68° 26° (1983) 88° (1962) 0.11" 0"
May 19 44° 68° 28° (1944) 89° (1962) 0.11" 0"
May 20 45° 69° 28° (2002) 93° (1996) 0.11" 0"
May 21 45° 69° 28° (2002) 92° (1996) 0.11" 0"
May 22 45° 69° 29° (2002) 90° (1977) 0.11" 0"
May 23 46° 70° 29° (1967) 88° (1930) 0.12" 0"
May 24 46° 70° 28° (1963) 89° (1964) 0.11" 0"
May 25 47° 70° 26° (1956) 88° (1932) 0.12" 0"
May 26 47° 71° 30° (1956) 85° (1933) 0.1" 0"
May 27 47° 71° 29° (1969) 87° (1939) 0.1" 0"
May 28 48° 71° 30° (1949) 90° (1931) 0.1" 0"
May 29 48° 71° 32° (2008) 92° (1931) 0.1" 0"
May 30 48° 72° 31° (1949) 89° (1929) 0.11" 0"
May 31 49° 72° 32° (1966) 91° (1937) 0.1" 0"
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