Boston, Massachusetts
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -6° -34.4° (1946) 22.2° (1950) 3.36" 12.9"
February -4° -27.8° (1934) 21.1° (1985) 3.38" 10.9"
March -22.2° (1872) 31.7° (1998) 4.32" 7.8"
April 13° -11.7° (1874) 34.4° (1976) 3.74" 1.9"
May 10° 19° -0.6° (1882) 36.1° (1880) 3.49" 0.1"
June 15° 24° 5° (1945) 37.8° (1952) 3.68" 0"
July 19° 28° 10° (1988) 40° (1911) 3.43" 0"
August 18° 26° 7.8° (1940) 38.9° (1975) 3.35" 0"
September 14° 22° 1.1° (1914) 38.9° (1881) 3.44" 0"
October 16° -3.9° (1936) 32.2° (1963) 3.94" 0"
November 11° -18.9° (1875) 28.3° (1950) 3.99" 1.3"
December -2° -27.2° (1933) 24.4° (1998) 3.78" 9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 -18° (1875) 22° (2001) 0.13" 0.1"
Dec 2 -18° (1876) 18° (1932) 0.13" 0.2"
Dec 3 -18° (1890) 21° (2009) 0.13" 0.2"
Dec 4 -18° (1940) 21° (1982) 0.14" 0.2"
Dec 5 -18° (1926) 19° (2001) 0.13" 0.2"
Dec 6 -18° (1935) 22° (2001) 0.13" 0.2"
Dec 7 -18° (1906) 24° (1998) 0.14" 0.2"
Dec 8 -1° -18° (1902) 18° (1927) 0.12" 0.3"
Dec 9 -1° -18° (1902) 21° (1966) 0.13" 0.2"
Dec 10 -1° -18° (1902) 18° (1907) 0.13" 0.3"
Dec 11 -1° -18° (1876) 20° (1911) 0.13" 0.2"
Dec 12 -1° -18° (1988) 20° (1979) 0.12" 0.3"
Dec 13 -2° -18° (1898) 17° (1984) 0.12" 0.3"
Dec 14 -2° -18° (1898) 19° (1881) 0.12" 0.2"
Dec 15 -2° -18° (1874) 19° (1975) 0.13" 0.3"
Dec 16 -2° -18° (1883) 18° (1971) 0.12" 0.3"
Dec 17 -2° -18° (1919) 18° (2000) 0.12" 0.3"
Dec 18 -3° -18° (1919) 16° (1990) 0.12" 0.3"
Dec 19 -3° -18° (1875) 18° (1899) 0.12" 0.4"
Dec 20 -3° -18° (1942) 17° (1957) 0.11" 0.3"
Dec 21 -3° -18° (1942) 17° (1957) 0.13" 0.3"
Dec 22 -3° -18° (1883) 17° (1990) 0.11" 0.3"
Dec 23 -3° -18° (1883) 19° (1990) 0.12" 0.4"
Dec 24 -4° -18° (1943) 16° (1996) 0.12" 0.3"
Dec 25 -4° -18° (1872) 18° (1889) 0.13" 0.4"
Dec 26 -4° -18° (1980) 16° (1982) 0.11" 0.3"
Dec 27 -4° -18° (1914) 16° (1949) 0.11" 0.4"
Dec 28 -4° -18° (1872) 17° (1982) 0.11" 0.4"
Dec 29 -4° -18° (1933) 23° (1984) 0.11" 0.4"
Dec 30 -5° -18° (1933) 17° (1984) 0.11" 0.4"
Dec 31 -5° -18° (1917) 18° (1932) 0.1" 0.4"
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