Dedham, Massachusetts
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 18° 34° -14° (1896) 68° (1950) 4.78" 15.9"
February 20° 36° -21° (1934) 68° (1985) 4.06" 13"
March 28° 45° -5° (1950) 89° (1998) 4.79" 11.4"
April 37° 56° 6° (1923) 94° (1976) 4.32" 3.8"
May 47° 67° 27° (1911) 93° (2000) 3.79" 0.3"
June 56° 76° 36° (1945) 99° (1919) 3.93" 0"
July 62° 81° 44° (1988) 100° (1977) 3.74" 0"
August 61° 79° 39° (1965) 101° (1975) 4.06" 0"
September 53° 71° 28° (1914) 99° (1953) 4.13" 0"
October 43° 60° 20° (1909) 88° (1963) 4.42" 0.3"
November 34° 49° 5° (1932) 81° (1950) 4.64" 3.1"
December 24° 39° -19° (1933) 74° (1998) 4.56" 10.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 58° 75° 47° (1975) 93° (1969) 0.13" NA
Sep 2 57° 75° 44° (1909) 99° (1953) 0.13" NA
Sep 3 57° 75° 43° (1893) 95° (1929) 0.13" NA
Sep 4 57° 75° 46° (1987) 90° (1973) 0.13" NA
Sep 5 57° 74° 45° (1906) 90° (1971) 0.13" NA
Sep 6 56° 74° 41° (1909) 92° (1900) 0.13" NA
Sep 7 56° 74° 42° (1962) 92° (2007) 0.13" NA
Sep 8 56° 73° 42° (1978) 93° (2007) 0.14" NA
Sep 9 55° 73° 41° (1938) 91° (2002) 0.14" NA
Sep 10 55° 73° 41° (1956) 90° (1989) 0.14" NA
Sep 11 55° 73° 37° (1917) 93° (1983) 0.14" NA
Sep 12 54° 72° 42° (1985) 92° (1961) 0.14" NA
Sep 13 54° 72° 40° (1985) 91° (1957) 0.14" NA
Sep 14 54° 72° 34° (1911) 90° (1931) 0.14" NA
Sep 15 54° 71° 35° (1913) 87° (1993) 0.14" NA
Sep 16 53° 71° 39° (1984) 91° (1941) 0.14" NA
Sep 17 53° 71° 38° (1959) 86° (1991) 0.14" NA
Sep 18 53° 70° 36° (1919) 88° (1906) 0.14" NA
Sep 19 52° 70° 37° (1929) 87° (1983) 0.14" NA
Sep 20 52° 70° 34° (1979) 90° (1983) 0.14" NA
Sep 21 51° 69° 35° (1962) 91° (1895) 0.14" NA
Sep 22 51° 69° 30° (1904) 90° (1914) 0.14" NA
Sep 23 51° 69° 33° (1904) 93° (1914) 0.14" NA
Sep 24 50° 68° 33° (1963) 87° (1959) 0.14" NA
Sep 25 50° 68° 31° (1950) 87° (1970) 0.14" NA
Sep 26 50° 68° 36° (1978) 91° (2007) 0.14" NA
Sep 27 49° 67° 32° (1947) 84° (1998) 0.14" NA
Sep 28 49° 67° 33° (1947) 82° (1959) 0.14" NA
Sep 29 49° 66° 28° (1914) 85° (1952) 0.14" NA
Sep 30 48° 66° 31° (1992) 84° (1986) 0.14" NA
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