Jefferson, Massachusetts
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 17° 31° -17° (1935) 67° (1950) 3.49" 17.1"
February 20° 35° -24° (1943) 67° (1985) 3.36" 15.6"
March 27° 43° -6° (1950) 84° (1998) 4.21" 11.4"
April 37° 55° 9° (1923) 91° (1976) 4.11" 2.8"
May 47° 66° 27° (1944) 92° (1962) 4.19" 0"
June 56° 74° 33° (1926) 98° (1952) 4.19" 0"
July 62° 79° 41° (1946) 102° (1911) 4.23" 0"
August 60° 77° 38° (1965) 99° (1944) 3.71" 0"
September 53° 70° 23° (1893) 99° (1953) 3.93" 0"
October 42° 58° 19° (1940) 91° (1898) 4.68" 0.2"
November 33° 48° 3° (1938) 79° (1950) 4.28" 2.6"
December 23° 36° -17° (1933) 72° (1998) 3.82" 14.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 28° 42° 5° (1936) 65° (2006) 0.13" 0.3"
Dec 2 28° 41° 4° (1989) 64° (1932) 0.13" 0.3"
Dec 3 27° 41° 0° (1976) 63° (2009) 0.14" 0.4"
Dec 4 27° 40° -9° (1940) 65° (1998) 0.14" 0.3"
Dec 5 27° 40° 0° (1926) 61° (2001) 0.13" 0.3"
Dec 6 26° 40° 5° (1935) 67° (2001) 0.14" 0.4"
Dec 7 26° 39° 5° (1906) 72° (1998) 0.13" 0.4"
Dec 8 25° 39° -3° (1906) 61° (1966) 0.13" 0.5"
Dec 9 25° 38° -13° (1902) 66° (1966) 0.13" 0.4"
Dec 10 25° 38° -4° (1902) 63° (1946) 0.14" 0.4"
Dec 11 24° 38° -2° (1988) 62° (1911) 0.13" 0.4"
Dec 12 24° 37° -4° (1988) 63° (1911) 0.13" 0.4"
Dec 13 23° 37° 0° (1976) 62° (1984) 0.12" 0.5"
Dec 14 23° 37° -6° (1898) 63° (1901) 0.13" 0.4"
Dec 15 23° 36° 1° (1933) 61° (1975) 0.12" 0.5"
Dec 16 22° 36° -2° (1932) 58° (1971) 0.12" 0.5"
Dec 17 22° 36° -16° (1942) 60° (2000) 0.12" 0.5"
Dec 18 22° 35° -11° (1919) 57° (1928) 0.12" 0.5"
Dec 19 21° 35° -4° (1919) 59° (1899) 0.11" 0.5"
Dec 20 21° 35° -15° (1942) 59° (1957) 0.12" 0.6"
Dec 21 21° 35° -11° (1955) 58° (1973) 0.12" 0.5"
Dec 22 20° 34° -8° (1944) 59° (1990) 0.11" 0.5"
Dec 23 20° 34° -2° (1989) 61° (1990) 0.12" 0.6"
Dec 24 20° 34° -6° (1943) 57° (1996) 0.12" 0.5"
Dec 25 20° 34° -11° (1980) 60° (1964) 0.12" 0.6"
Dec 26 19° 33° -11° (1980) 58° (1964) 0.12" 0.5"
Dec 27 19° 33° -3° (1946) 58° (1895) 0.11" 0.6"
Dec 28 19° 33° -8° (1933) 61° (1982) 0.11" 0.5"
Dec 29 19° 33° -17° (1933) 70° (1984) 0.11" 0.5"
Dec 30 18° 32° -15° (1933) 56° (1984) 0.11" 0.6"
Dec 31 18° 32° -13° (1917) 60° (1965) 0.11" 0.5"
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