Jefferson, Wisconsin
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 28° -33° (1951) 58° (2002) 1.3" 9.8"
February 15° 32° -39° (1996) 67° (1999) 1.41" 8"
March 25° 44° -21° (1962) 83° (1986) 1.96" 4.3"
April 37° 58° -4° (1979) 90° (2002) 3.51" 1.1"
May 47° 69° 25° (1966) 93° (1978) 3.75" 0.2"
June 57° 79° 35° (2003) 101° (1988) 4.2" 0"
July 62° 83° 39° (1965) 102° (1988) 3.86" 0"
August 59° 81° 37° (1986) 102° (1988) 3.95" 0"
September 50° 73° 28° (1991) 98° (1955) 3.38" 0"
October 39° 61° 11° (1988) 88° (2007) 2.74" 0.1"
November 29° 46° -10° (1950) 78° (1999) 2.45" 1.8"
December 16° 32° -29° (1983) 67° (2001) 1.7" 9.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 52° 75° 35° (2003) 91° (1988) 0.13" 0"
Jun 2 53° 75° 37° (1956) 91° (1988) 0.14" 0"
Jun 3 53° 75° 37° (1986) 93° (1972) 0.13" 0"
Jun 4 54° 76° 37° (1990) 92° (1971) 0.14" 0"
Jun 5 54° 76° 37° (1990) 90° (1977) 0.15" 0"
Jun 6 54° 76° 38° (1958) 90° (1952) 0.13" 0"
Jun 7 55° 77° 39° (1977) 95° (1963) 0.14" 0"
Jun 8 55° 77° 38° (1949) 93° (1963) 0.14" 0"
Jun 9 55° 77° 36° (1977) 94° (1985) 0.15" 0"
Jun 10 56° 78° 35° (1988) 95° (1956) 0.14" 0"
Jun 11 56° 78° 35° (1972) 94° (1956) 0.14" 0"
Jun 12 56° 78° 37° (1985) 94° (1956) 0.14" 0"
Jun 13 57° 79° 38° (1985) 95° (1956) 0.14" 0"
Jun 14 57° 79° 43° (1958) 94° (1976) 0.15" 0"
Jun 15 57° 79° 41° (1965) 98° (1987) 0.14" 0"
Jun 16 58° 80° 36° (1964) 92° (1994) 0.15" 0"
Jun 17 58° 80° 41° (1959) 93° (1994) 0.14" 0"
Jun 18 58° 80° 43° (1972) 95° (1987) 0.14" 0"
Jun 19 59° 80° 46° (1970) 98° (1953) 0.14" 0"
Jun 20 59° 81° 42° (1948) 98° (1953) 0.14" 0"
Jun 21 59° 81° 37° (1963) 101° (1988) 0.14" 0"
Jun 22 59° 81° 42° (1992) 98° (1988) 0.14" 0"
Jun 23 60° 81° 40° (1972) 96° (1988) 0.13" 0"
Jun 24 60° 82° 40° (1974) 95° (2009) 0.14" 0"
Jun 25 60° 82° 39° (1979) 95° (1954) 0.14" 0"
Jun 26 60° 82° 46° (1961) 97° (1988) 0.14" 0"
Jun 27 61° 82° 45° (1988) 95° (1983) 0.14" 0"
Jun 28 61° 82° 46° (1992) 94° (1952) 0.14" 0"
Jun 29 61° 82° 42° (1989) 94° (1961) 0.14" 0"
Jun 30 61° 83° 41° (1989) 95° (1953) 0.14" 0"
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