Jefferson, Wisconsin
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 26° -33° (1951) 58° (2002) 1.39" 10"
February 13° 31° -39° (1996) 67° (1999) 1.32" 6.5"
March 24° 43° -21° (1962) 83° (1986) 2.1" 7.8"
April 36° 57° -4° (1979) 90° (2002) 3.42" 1.7"
May 46° 69° 25° (1966) 93° (1978) 3.25" 0.1"
June 56° 79° 35° (2003) 101° (1988) 3.79" 0"
July 61° 83° 39° (1965) 102° (1988) 3.92" 0"
August 58° 80° 37° (1986) 102° (1988) 4.16" 0"
September 49° 73° 28° (1991) 98° (1955) 3.41" 0"
October 38° 61° 11° (1988) 88° (2007) 2.56" 0.1"
November 27° 45° -10° (1950) 78° (1999) 2.49" 2.1"
December 15° 31° -29° (1983) 67° (2001) 1.65" 9.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Oct 1 43° 67° 29° (1984) 88° (1971) 0.09" NA
Oct 2 43° 67° 23° (2003) 87° (1971) 0.09" NA
Oct 3 43° 67° 25° (1987) 85° (1971) 0.09" NA
Oct 4 42° 66° 25° (1989) 87° (1997) 0.09" NA
Oct 5 42° 66° 25° (1980) 82° (1963) 0.09" NA
Oct 6 41° 66° 24° (1952) 87° (1963) 0.09" NA
Oct 7 41° 65° 25° (1988) 88° (2007) 0.09" NA
Oct 8 41° 65° 21° (1987) 87° (1997) 0.09" NA
Oct 9 40° 64° 22° (1987) 85° (2007) 0.08" NA
Oct 10 40° 64° 19° (1964) 83° (1962) 0.08" NA
Oct 11 40° 63° 23° (1987) 82° (1962) 0.08" NA
Oct 12 39° 63° 22° (1987) 82° (1956) 0.08" NA
Oct 13 39° 62° 19° (1988) 83° (1995) 0.08" NA
Oct 14 39° 62° 21° (1988) 88° (1975) 0.08" NA
Oct 15 38° 62° 26° (1979) 84° (1968) 0.08" NA
Oct 16 38° 61° 27° (1952) 83° (1968) 0.08" NA
Oct 17 38° 61° 21° (1976) 82° (1950) 0.08" NA
Oct 18 37° 60° 19° (1976) 84° (1950) 0.08" NA
Oct 19 37° 60° 18° (1972) 83° (1953) 0.08" NA
Oct 20 37° 59° 19° (1952) 84° (1953) 0.08" NA
Oct 21 36° 59° 20° (1960) 84° (1953) 0.08" NA
Oct 22 36° 58° 20° (1982) 83° (1953) 0.08" NA
Oct 23 36° 58° 19° (1969) 82° (1963) 0.08" NA
Oct 24 35° 57° 19° (1981) 79° (1963) 0.08" NA
Oct 25 35° 56° 20° (1981) 77° (1989) 0.08" NA
Oct 26 34° 56° 16° (1962) 78° (1963) 0.08" NA
Oct 27 34° 55° 21° (1979) 76° (1955) 0.08" NA
Oct 28 34° 55° 20° (1969) 75° (1989) 0.08" NA
Oct 29 34° 54° 18° (1952) 75° (1950) 0.08" NA
Oct 30 33° 54° 11° (1988) 79° (1950) 0.08" NA
Oct 31 33° 53° 11° (1988) 78° (1950) 0.08" NA
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