Janesville, Wisconsin
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 27° -28° (1994) 59° (1997) 1.35" NA
February 14° 32° -31° (1996) 69° (2000) 1.09" NA
March 25° 45° -11° (2002) 80° (1998) 1.89" NA
April 35° 58° 15° (1995) 89° (2002) 3.47" NA
May 47° 71° 27° (2005) 92° (1991) 3.44" NA
June 56° 81° 36° (1993) 101° (1988) 4.08" NA
July 60° 84° 45° (2001) 101° (1995) 3.18" NA
August 58° 81° 43° (1992) 102° (1988) 4.34" NA
September 49° 74° 28° (1995) 96° (2000) 3.56" NA
October 38° 61° 14° (1988) 88° (2007) 2.25" NA
November 28° 45° -4° (1995) 74° (2000) 2.31" NA
December 15° 31° -25° (2000) 67° (2001) 1.82" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 61° 83° 47° (1990) 102° (1988) 0.12" NA
Aug 2 60° 83° 52° (1998) 98° (1988) 0.12" NA
Aug 3 60° 83° 55° (1992) 96° (1988) 0.12" NA
Aug 4 60° 83° 49° (1993) 98° (1988) 0.13" NA
Aug 5 60° 83° 46° (1994) 90° (2001) 0.13" NA
Aug 6 60° 83° 45° (1992) 93° (1988) 0.13" NA
Aug 7 60° 83° 47° (1990) 94° (1988) 0.13" NA
Aug 8 60° 83° 47° (1990) 95° (2001) 0.13" NA
Aug 9 60° 82° 49° (1999) 92° (2001) 0.14" NA
Aug 10 60° 82° 53° (1999) 94° (2001) 0.14" NA
Aug 11 59° 82° 52° (1994) 93° (1988) 0.14" NA
Aug 12 59° 82° 52° (2004) 95° (1995) 0.14" NA
Aug 13 59° 82° 45° (2004) 98° (1995) 0.14" NA
Aug 14 59° 82° 47° (2004) 95° (1995) 0.14" NA
Aug 15 59° 82° 46° (1992) 93° (1988) 0.14" NA
Aug 16 58° 81° 43° (1992) 100° (1988) 0.14" NA
Aug 17 58° 81° 45° (1992) 101° (1988) 0.15" NA
Aug 18 58° 81° 47° (1992) 90° (1995) 0.15" NA
Aug 19 58° 81° 48° (1992) 91° (1990) 0.15" NA
Aug 20 58° 81° 48° (1992) 88° (2003) 0.15" NA
Aug 21 57° 81° 45° (2004) 95° (2003) 0.15" NA
Aug 22 57° 80° 46° (2004) 95° (2003) 0.15" NA
Aug 23 57° 80° 49° (1992) 88° (1995) 0.15" NA
Aug 24 57° 80° 46° (1987) 90° (1998) 0.15" NA
Aug 25 56° 80° 52° (1996) 90° (1993) 0.15" NA
Aug 26 56° 80° 54° (1988) 97° (2003) 0.15" NA
Aug 27 56° 80° 46° (1988) 98° (2003) 0.15" NA
Aug 28 55° 79° 47° (1988) 93° (1991) 0.14" NA
Aug 29 55° 79° 47° (1988) 94° (1991) 0.14" NA
Aug 30 55° 79° 49° (1987) 91° (1991) 0.14" NA
Aug 31 54° 79° 48° (1999) 91° (1995) 0.14" NA
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