Groton, Connecticut
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 20° 38° -14° (1961) 65° (1967) 4.39" 8"
February 22° 39° -12° (1965) 67° (1976) 3.54" 6.9"
March 29° 47° 0° (1967) 78° (1998) 4.46" 3.2"
April 38° 56° 14° (1982) 88° (2002) 4.23" 0.3"
May 48° 66° 30° (1966) 91° (1987) 3.79" 0"
June 57° 75° 38° (1967) 95° (1991) 3.67" 0"
July 63° 81° 47° (1988) 101° (1991) 3.31" 0"
August 62° 80° 41° (1965) 99° (1975) 4.46" 0"
September 55° 73° 29° (1957) 93° (1983) 4.06" 0"
October 43° 62° 22° (1966) 83° (1959) 3.98" 0"
November 35° 53° 8° (1989) 75° (1982) 4.51" 0.6"
December 26° 43° -10° (1980) 69° (2001) 4.32" 4.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Nov 1 39° 57° 26° (1968) 75° (1982) 0.14" NA
Nov 2 39° 57° 25° (1976) 71° (1982) 0.14" NA
Nov 3 39° 57° 24° (1965) 74° (2003) 0.15" NA
Nov 4 38° 56° 27° (1998) 74° (1975) 0.15" NA
Nov 5 38° 56° 27° (1998) 70° (1961) 0.15" NA
Nov 6 38° 56° 26° (1967) 68° (1959) 0.15" NA
Nov 7 38° 56° 21° (1962) 67° (1975) 0.15" NA
Nov 8 37° 55° 19° (1960) 65° (1982) 0.15" NA
Nov 9 37° 55° 21° (1967) 72° (1975) 0.15" NA
Nov 10 37° 55° 23° (1973) 70° (1985) 0.15" NA
Nov 11 37° 54° 17° (1973) 66° (1984) 0.15" NA
Nov 12 36° 54° 19° (1957) 66° (1982) 0.15" NA
Nov 13 36° 54° 22° (1986) 66° (1964) 0.15" NA
Nov 14 36° 53° 18° (1986) 67° (1993) 0.15" NA
Nov 15 36° 53° 20° (1967) 73° (1993) 0.15" NA
Nov 16 35° 53° 18° (1996) 67° (2001) 0.15" NA
Nov 17 35° 52° 16° (1967) 65° (1981) 0.16" NA
Nov 18 35° 52° 20° (1959) 66° (1978) 0.16" NA
Nov 19 34° 52° 21° (1986) 65° (1991) 0.16" NA
Nov 20 34° 51° 17° (1986) 68° (1991) 0.15" NA
Nov 21 34° 51° 8° (1989) 67° (1991) 0.15" NA
Nov 22 33° 51° 14° (1987) 62° (1963) 0.15" NA
Nov 23 33° 50° 13° (1972) 65° (1982) 0.15" NA
Nov 24 33° 50° 10° (1989) 68° (1979) 0.15" NA
Nov 25 32° 49° 17° (2000) 65° (1979) 0.15" NA
Nov 26 32° 49° 11° (1978) 65° (2001) 0.15" NA
Nov 27 32° 49° 13° (1978) 62° (1966) 0.15" NA
Nov 28 31° 48° 18° (1982) 66° (1984) 0.15" NA
Nov 29 31° 48° 20° (1989) 64° (1963) 0.15" NA
Nov 30 31° 48° 12° (1989) 62° (2001) 0.15" NA
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