Petersham, Massachusetts
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 31° -29° (1957) 63° (2007) 3.54" 14.4"
February 13° 36° -27° (1958) 64° (1985) 3.25" 10.3"
March 21° 44° -19° (1967) 83° (1998) 3.84" 7.9"
April 33° 57° 6° (1965) 94° (2002) 3.72" 3.1"
May 43° 69° 22° (1956) 96° (1962) 3.82" 0.1"
June 53° 78° 30° (1964) 98° (2005) 4.25" 0"
July 58° 83° 37° (1962) 100° (1966) 4.76" 0"
August 56° 81° 30° (1965) 99° (2002) 4.02" 0"
September 48° 73° 22° (1950) 100° (1953) 3.76" 0"
October 37° 60° 16° (1952) 87° (1963) 4.35" 0"
November 29° 48° 0° (1989) 80° (1950) 3.98" 1.9"
December 18° 36° -22° (1980) 67° (2001) 3.57" 11.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 12° 32° -17° (1964) 56° (1966) 0.11" 0.4"
Jan 2 12° 32° -9° (1957) 53° (1979) 0.1" 0.5"
Jan 3 11° 31° -9° (1968) 53° (1979) 0.1" 0.4"
Jan 4 11° 31° -11° (2008) 58° (1951) 0.11" 0.5"
Jan 5 11° 31° -13° (1969) 60° (1950) 0.11" 0.4"
Jan 6 11° 31° -20° (1976) 58° (2007) 0.1" 0.5"
Jan 7 11° 31° -18° (1976) 63° (2007) 0.11" 0.4"
Jan 8 10° 31° -9° (1973) 45° (2007) 0.1" 0.5"
Jan 9 10° 31° -21° (1968) 56° (2008) 0.09" 0.5"
Jan 10 10° 31° -19° (1968) 54° (1978) 0.11" 0.4"
Jan 11 10° 31° -26° (1968) 52° (1983) 0.1" 0.5"
Jan 12 10° 31° -20° (1981) 55° (1980) 0.11" 0.5"
Jan 13 10° 31° -21° (1981) 47° (2006) 0.12" 0.5"
Jan 14 10° 31° -29° (1957) 56° (2005) 0.12" 0.5"
Jan 15 10° 31° -27° (1957) 56° (2006) 0.12" 0.5"
Jan 16 10° 31° -20° (1957) 51° (1962) 0.12" 0.5"
Jan 17 10° 31° -26° (1971) 60° (1995) 0.12" 0.5"
Jan 18 10° 31° -29° (1957) 52° (1973) 0.11" 0.4"
Jan 19 10° 31° -27° (1957) 57° (2006) 0.12" 0.5"
Jan 20 10° 31° -25° (1971) 56° (1996) 0.12" 0.5"
Jan 21 10° 31° -22° (1971) 52° (2006) 0.13" 0.5"
Jan 22 10° 32° -27° (1984) 53° (1959) 0.12" 0.5"
Jan 23 10° 32° -25° (1961) 53° (1959) 0.13" 0.5"
Jan 24 10° 32° -22° (1961) 56° (1967) 0.12" 0.4"
Jan 25 10° 32° -20° (2005) 56° (1967) 0.13" 0.5"
Jan 26 10° 32° -14° (1961) 49° (1964) 0.12" 0.4"
Jan 27 10° 32° -21° (1994) 62° (1950) 0.11" 0.5"
Jan 28 10° 32° -21° (1994) 58° (1974) 0.12" 0.4"
Jan 29 10° 33° -21° (1963) 52° (2002) 0.12" 0.4"
Jan 30 10° 33° -19° (1963) 50° (1989) 0.12" 0.5"
Jan 31 10° 33° -15° (1965) 48° (1974) 0.12" 0.4"
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