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
May 1 16° -18° (1880) 32° (1899) 0.1" 0"
May 2 16° -18° (1874) 33° (2001) 0.11" 0"
May 3 17° -18° (1882) 33° (2001) 0.11" 0"
May 4 17° -18° (1911) 32° (2001) 0.1" 0"
May 5 17° -18° (1907) 32° (1949) 0.12" 0"
May 6 17° -18° (1891) 32° (1930) 0.11" 0"
May 7 17° -18° (1992) 35° (1930) 0.1" 0.1"
May 8 18° -18° (1956) 31° (1964) 0.1" 0"
May 9 18° -18° (1977) 35° (1979) 0.1" 0"
May 10 18° -18° (1902) 34° (1979) 0.1" 0"
May 11 18° -18° (1900) 33° (1993) 0.11" 0"
May 12 18° -18° (1907) 31° (2001) 0.1" 0"
May 13 18° -18° (1882) 31° (1947) 0.1" 0"
May 14 10° 19° -18° (1895) 30° (1879) 0.1" 0"
May 15 10° 19° -18° (1947) 34° (1900) 0.1" 0"
May 16 10° 19° -18° (1936) 34° (1932) 0.11" 0"
May 17 10° 19° -18° (1882) 33° (1977) 0.1" 0"
May 18 10° 19° -18° (2002) 33° (1936) 0.11" 0"
May 19 10° 19° -18° (1882) 32° (1986) 0.11" 0"
May 20 11° 20° -18° (1892) 33° (1996) 0.12" 0"
May 21 11° 20° -18° (1907) 34° (1921) 0.11" 0"
May 22 11° 20° -18° (1894) 34° (1959) 0.12" 0"
May 23 11° 20° -18° (1967) 34° (1964) 0.13" 0"
May 24 11° 20° -18° (1882) 34° (1964) 0.13" 0"
May 25 11° 21° -18° (1967) 33° (2007) 0.13" 0"
May 26 12° 21° -18° (1882) 36° (1880) 0.13" 0"
May 27 12° 21° -18° (1915) 36° (1880) 0.13" 0"
May 28 12° 21° -18° (1917) 33° (1931) 0.12" 0"
May 29 12° 21° -18° (1902) 34° (1931) 0.13" 0"
May 30 12° 21° -18° (1884) 36° (1929) 0.13" 0"
May 31 13° 22° -18° (1884) 36° (1944) 0.12" 0"
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