Dedham, Massachusetts
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 17° 34° -14° (1896) 68° (1950) 4.35" 17.1"
February 19° 37° -21° (1934) 68° (1985) 4.24" 13.9"
March 27° 44° -5° (1950) 89° (1998) 5.58" 12.7"
April 38° 56° 6° (1923) 94° (1976) 4.55" 3"
May 48° 66° 27° (1911) 93° (2000) 4.11" 0"
June 57° 75° 36° (1945) 99° (1919) 4.31" 0"
July 63° 81° 44° (1988) 100° (1977) 4.02" 0"
August 62° 79° 39° (1965) 101° (1975) 4.03" 0"
September 55° 72° 28° (1914) 99° (1953) 4.06" 0"
October 43° 60° 20° (1909) 88° (1963) 4.69" 0.3"
November 34° 50° 5° (1932) 81° (1950) 4.76" 2.3"
December 24° 39° -19° (1933) 74° (1998) 4.89" 13.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 59° 76° 47° (1975) 93° (2010) 0.11" 0"
Sep 2 59° 76° 44° (1909) 99° (1953) 0.11" 0"
Sep 3 59° 76° 43° (1893) 95° (1929) 0.12" 0"
Sep 4 59° 76° 46° (1987) 90° (1973) 0.12" 0"
Sep 5 58° 75° 45° (1906) 90° (1971) 0.12" 0"
Sep 6 58° 75° 41° (1909) 92° (1900) 0.13" 0"
Sep 7 58° 75° 42° (1962) 92° (2007) 0.13" 0"
Sep 8 57° 74° 42° (1978) 93° (2007) 0.12" 0"
Sep 9 57° 74° 41° (1938) 91° (2002) 0.13" 0"
Sep 10 57° 74° 41° (1956) 90° (1989) 0.13" 0"
Sep 11 56° 73° 37° (1917) 93° (1983) 0.13" 0"
Sep 12 56° 73° 42° (1985) 92° (1961) 0.13" 0"
Sep 13 56° 73° 40° (1985) 91° (1957) 0.13" 0"
Sep 14 55° 72° 34° (1911) 90° (1931) 0.14" 0"
Sep 15 55° 72° 35° (1913) 87° (1993) 0.13" 0"
Sep 16 55° 72° 39° (1984) 91° (1941) 0.14" 0"
Sep 17 54° 71° 38° (1959) 86° (1991) 0.14" 0"
Sep 18 54° 71° 36° (1919) 88° (1906) 0.14" 0"
Sep 19 54° 71° 37° (1929) 87° (1983) 0.14" 0"
Sep 20 53° 70° 34° (1979) 90° (1983) 0.14" 0"
Sep 21 53° 70° 35° (1962) 91° (1895) 0.15" 0"
Sep 22 52° 69° 30° (1904) 90° (1914) 0.15" 0"
Sep 23 52° 69° 33° (1904) 93° (1914) 0.14" 0"
Sep 24 52° 69° 33° (1963) 87° (1959) 0.15" 0"
Sep 25 51° 68° 31° (1950) 87° (1970) 0.15" 0"
Sep 26 51° 68° 36° (1978) 91° (2007) 0.15" 0"
Sep 27 50° 67° 32° (1947) 84° (1998) 0.15" 0"
Sep 28 50° 67° 33° (1947) 82° (1959) 0.14" 0"
Sep 29 49° 67° 28° (1914) 85° (1952) 0.15" 0"
Sep 30 49° 66° 31° (1992) 84° (1986) 0.15" 0"
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