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) 3.92" 13.5"
February -4° -27.8° (1934) 21.1° (1985) 3.3" 11.2"
March -1° -22.2° (1872) 31.7° (1998) 3.85" 8.1"
April 13° -11.7° (1874) 34.4° (1976) 3.6" 1.1"
May 10° 19° -0.6° (1882) 36.1° (1880) 3.24" 0"
June 15° 25° 5° (1945) 37.8° (1952) 3.22" 0"
July 18° 28° 10° (1988) 40° (1911) 3.06" 0"
August 18° 27° 7.8° (1940) 38.9° (1975) 3.37" 0"
September 14° 23° 1.1° (1914) 38.9° (1881) 3.47" 0"
October 17° -3.9° (1936) 32.2° (1963) 3.79" 0"
November 11° -18.9° (1875) 28.3° (1950) 3.98" 1.3"
December -2° -27.2° (1933) 24.4° (1998) 3.73" 6.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 0.6° 7.8° -18° (1875) 22° (2001) 0.13" NA
Dec 2 7.8° -16° (1876) 18° (1932) 0.12" NA
Dec 3 7.8° -18° (1890) 18° (1932) 0.12" NA
Dec 4 7.2° -17° (1940) 21° (1982) 0.12" NA
Dec 5 -0.6° 7.2° -16° (1926) 19° (2001) 0.12" NA
Dec 6 -0.6° 7.2° -13° (1935) 22° (2001) 0.12" NA
Dec 7 -1.1° 6.7° -16° (1906) 24° (1998) 0.12" NA
Dec 8 -1.1° 6.7° -20° (1902) 18° (1927) 0.12" NA
Dec 9 -1.1° 6.7° -22° (1902) 21° (1966) 0.12" NA
Dec 10 -1.7° 6.1° -18° (1902) 18° (1907) 0.12" NA
Dec 11 -1.7° 6.1° -19° (1876) 20° (1911) 0.12" NA
Dec 12 -1.7° 6.1° -17° (1988) 20° (1979) 0.12" NA
Dec 13 -1.7° 5.6° -16° (1898) 17° (1984) 0.12" NA
Dec 14 -2.2° 5.6° -18° (1898) 19° (1881) 0.12" NA
Dec 15 -2.2° 5.6° -19° (1874) 19° (1975) 0.12" NA
Dec 16 -2.2° -17° (1883) 18° (1971) 0.12" NA
Dec 17 -2.8° -20° (1919) 18° (2000) 0.12" NA
Dec 18 -2.8° -21° (1919) 16° (1990) 0.12" NA
Dec 19 -2.8° -23° (1875) 18° (1899) 0.12" NA
Dec 20 -3.3° 4.4° -24° (1942) 17° (1957) 0.12" NA
Dec 21 -3.3° 4.4° -21° (1942) 17° (1957) 0.12" NA
Dec 22 -3.3° 4.4° -17° (1883) 17° (1990) 0.12" NA
Dec 23 -3.3° 4.4° -24° (1883) 19° (1990) 0.12" NA
Dec 24 -3.9° 3.9° -18° (1943) 16° (1996) 0.12" NA
Dec 25 -3.9° 3.9° -22° (1872) 18° (1889) 0.12" NA
Dec 26 -3.9° 3.9° -20° (1980) 16° (1982) 0.12" NA
Dec 27 -3.9° 3.9° -18° (1914) 16° (1949) 0.12" NA
Dec 28 -4.4° 3.9° -19° (1872) 17° (1982) 0.12" NA
Dec 29 -4.4° 3.3° -27° (1933) 23° (1984) 0.12" NA
Dec 30 -4.4° 3.3° -26° (1933) 17° (1984) 0.12" NA
Dec 31 -4.4° 3.3° -22° (1917) 18° (1932) 0.12" NA
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