Harwich, Massachusetts
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 24° 38° -6° (2004) 61° (2000) 3.83" 7.7"
February 25° 38° 0° (1996) 57° (1990) 4.4" 11.8"
March 31° 43° 7° (1980) 77° (1998) 4.85" 3.4"
April 40° 51° 19° (1982) 80° (1990) 4.14" 0.8"
May 48° 59° 33° (1995) 88° (2007) 3.81" 0"
June 57° 68° 44° (1997) 89° (1994) 3.41" 0"
July 63° 75° 51° (1988) 95° (1999) 3.28" 0"
August 63° 75° 47° (1976) 93° (1975) 3.2" 0"
September 58° 69° 40° (1992) 84° (1977) 3.83" 0"
October 48° 60° 31° (1988) 80° (1997) 4.04" 0"
November 40° 52° 19° (1989) 68° (1994) 4.03" 0.6"
December 30° 43° 0° (1980) 69° (1998) 4.38" 4.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 35° 47° 19° (1989) 66° (2001) 0.15" 0.1"
Dec 2 35° 47° 17° (1989) 62° (2006) 0.14" 0"
Dec 3 34° 47° 11° (1976) 54° (1993) 0.15" 0.1"
Dec 4 34° 46° 14° (1976) 69° (1998) 0.15" 0.1"
Dec 5 34° 46° 15° (1989) 58° (1998) 0.14" 0.1"
Dec 6 33° 46° 21° (1989) 61° (1982) 0.14" 0.1"
Dec 7 33° 45° 18° (1989) 63° (1998) 0.15" 0.1"
Dec 8 33° 45° 17° (1989) 55° (1999) 0.15" 0.1"
Dec 9 32° 45° 14° (1976) 56° (2004) 0.14" 0.1"
Dec 10 32° 44° 16° (1977) 56° (2009) 0.15" 0.1"
Dec 11 32° 44° 10° (1977) 55° (2008) 0.15" 0.1"
Dec 12 31° 44° 10° (1977) 53° (1979) 0.15" 0.2"
Dec 13 31° 44° 10° (1976) 55° (1983) 0.14" 0.1"
Dec 14 31° 43° 9° (1976) 52° (1983) 0.14" 0.1"
Dec 15 30° 43° 15° (1980) 56° (1983) 0.15" 0.2"
Dec 16 30° 43° 18° (2010) 54° (2008) 0.14" 0.1"
Dec 17 30° 42° 15° (1972) 56° (1973) 0.14" 0.2"
Dec 18 29° 42° 15° (1972) 56° (1984) 0.14" 0.1"
Dec 19 29° 42° 14° (1975) 54° (1990) 0.15" 0.2"
Dec 20 29° 42° 13° (1980) 53° (1996) 0.13" 0.2"
Dec 21 29° 41° 10° (2004) 55° (1973) 0.14" 0.1"
Dec 22 28° 41° 6° (1989) 54° (1990) 0.14" 0.2"
Dec 23 28° 41° 15° (1989) 55° (1990) 0.13" 0.2"
Dec 24 28° 41° 12° (1975) 59° (1996) 0.14" 0.2"
Dec 25 27° 40° 2° (1980) 56° (1996) 0.14" 0.2"
Dec 26 27° 40° 0° (1980) 56° (1982) 0.14" 0.2"
Dec 27 27° 40° 8° (1993) 55° (1996) 0.13" 0.2"
Dec 28 27° 40° 14° (1993) 54° (1982) 0.14" 0.2"
Dec 29 26° 39° 14° (1987) 53° (1982) 0.13" 0.2"
Dec 30 26° 39° 8° (1987) 53° (1984) 0.13" 0.3"
Dec 31 26° 39° 13° (1998) 51° (2003) 0.13" 0.2"
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