Groton, Connecticut
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 22° 38° -14° (1961) 65° (1967) 3.78" 6"
February 25° 41° -12° (1965) 67° (1976) 3.66" 7.5"
March 32° 48° 0° (1967) 78° (1998) 5.07" 3"
April 41° 58° 14° (1982) 88° (2002) 4.54" 0.8"
May 50° 67° 30° (1966) 91° (1987) 3.65" 0"
June 59° 76° 38° (1967) 95° (1991) 4.08" 0"
July 65° 81° 47° (1988) 101° (1991) 3.63" 0"
August 65° 80° 41° (1965) 99° (1975) 4.29" 0"
September 57° 74° 29° (1957) 93° (1983) 4.16" 0"
October 46° 63° 22° (1966) 83° (1959) 4.15" 0"
November 38° 54° 8° (1989) 75° (1982) 4.54" 0.8"
December 28° 44° -10° (1980) 69° (2001) 4.28" 5.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Oct 1 51° 68° 32° (1992) 80° (1986) 0.14" 0"
Oct 2 51° 68° 32° (1992) 82° (2002) 0.13" 0"
Oct 3 50° 68° 33° (1975) 78° (1983) 0.12" 0"
Oct 4 50° 67° 33° (1974) 81° (1967) 0.13" 0"
Oct 5 50° 67° 30° (1974) 82° (2002) 0.14" 0"
Oct 6 49° 66° 26° (1965) 83° (1959) 0.14" 0"
Oct 7 49° 66° 31° (1958) 80° (1963) 0.13" 0"
Oct 8 48° 66° 33° (1964) 78° (1970) 0.13" 0"
Oct 9 48° 65° 30° (1988) 78° (1958) 0.14" 0"
Oct 10 48° 65° 31° (1980) 79° (1997) 0.13" 0"
Oct 11 47° 65° 28° (1993) 75° (1960) 0.13" 0"
Oct 12 47° 64° 26° (1964) 80° (1969) 0.13" 0"
Oct 13 47° 64° 31° (1981) 77° (1995) 0.13" 0"
Oct 14 46° 64° 29° (1958) 79° (1990) 0.13" 0"
Oct 15 46° 63° 29° (1979) 78° (1975) 0.14" 0"
Oct 16 46° 63° 29° (1972) 78° (1963) 0.13" 0"
Oct 17 45° 63° 26° (1978) 78° (1963) 0.12" 0"
Oct 18 45° 62° 24° (1978) 74° (1968) 0.13" 0"
Oct 19 45° 62° 25° (1974) 76° (1963) 0.12" 0"
Oct 20 45° 62° 26° (1972) 77° (1984) 0.13" 0"
Oct 21 44° 62° 23° (1972) 78° (1963) 0.13" 0"
Oct 22 44° 61° 25° (1974) 74° (1975) 0.13" 0"
Oct 23 44° 61° 26° (1997) 74° (1978) 0.14" 0"
Oct 24 44° 61° 24° (1969) 75° (1973) 0.13" 0"
Oct 25 43° 60° 26° (1962) 73° (1989) 0.14" 0"
Oct 26 43° 60° 29° (1969) 74° (1971) 0.14" 0"
Oct 27 43° 60° 28° (1976) 75° (1964) 0.14" 0"
Oct 28 43° 60° 24° (1976) 74° (1989) 0.14" 0"
Oct 29 42° 59° 25° (1959) 77° (1971) 0.15" 0"
Oct 30 42° 59° 25° (1962) 70° (1961) 0.14" 0"
Oct 31 42° 59° 22° (1966) 70° (1982) 0.15" 0"
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