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
Sep 1 16.1° 25° 10° (1887) 36° (1881) 0.11" NA
Sep 2 16.1° 25° 9° (1967) 38° (1953) 0.11" NA
Sep 3 16.1° 24.4° 8° (1893) 36° (1929) 0.11" NA
Sep 4 16.1° 24.4° 6° (1872) 34° (1973) 0.11" NA
Sep 5 15.6° 24.4° 9° (1896) 34° (1880) 0.11" NA
Sep 6 15.6° 24.4° 6° (1888) 34° (1983) 0.11" NA
Sep 7 15.6° 23.9° 6° (1888) 39° (1881) 0.11" NA
Sep 8 15° 23.9° 9° (1978) 35° (2007) 0.11" NA
Sep 9 15° 23.9° 7° (1938) 33° (1971) 0.11" NA
Sep 10 15° 23.3° 5° (1883) 35° (1931) 0.11" NA
Sep 11 14.4° 23.3° 4° (1917) 37° (1983) 0.11" NA
Sep 12 14.4° 23.3° 6° (1875) 34° (1961) 0.11" NA
Sep 13 14.4° 22.8° 7° (1985) 34° (1957) 0.11" NA
Sep 14 13.9° 22.8° 4° (1884) 33° (1931) 0.12" NA
Sep 15 13.9° 22.8° 5° (1913) 34° (1915) 0.12" NA
Sep 16 13.9° 22.2° 6° (1984) 36° (1939) 0.12" NA
Sep 17 13.3° 22.2° 7° (1986) 33° (1915) 0.12" NA
Sep 18 13.3° 22.2° 6° (1875) 32° (1955) 0.12" NA
Sep 19 13.3° 22.2° 6° (1929) 33° (1983) 0.12" NA
Sep 20 12.8° 21.7° 6° (1979) 36° (1983) 0.12" NA
Sep 21 12.8° 21.7° 4° (1929) 34° (1895) 0.12" NA
Sep 22 12.8° 21.1° 2° (1904) 34° (1895) 0.12" NA
Sep 23 12.2° 21.1° 2° (1904) 36° (1895) 0.12" NA
Sep 24 12.2° 21.1° 4° (1974) 32° (1959) 0.12" NA
Sep 25 12.2° 20.6° 3° (1950) 32° (1926) 0.12" NA
Sep 26 11.7° 20.6° 1° (1879) 35° (1881) 0.12" NA
Sep 27 11.7° 20.6° 3° (1947) 30° (1998) 0.12" NA
Sep 28 11.7° 20° 3° (1947) 32° (1881) 0.12" NA
Sep 29 11.1° 20° 1° (1914) 31° (1952) 0.12" NA
Sep 30 11.1° 20° 2° (1888) 31° (1986) 0.12" NA
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