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
Feb 1 10° 28° -21° (1996) 45° (1997) 0.04" NA
Feb 2 10° 28° -26° (1996) 42° (2006) 0.04" NA
Feb 3 10° 28° -31° (1996) 46° (1992) 0.04" NA
Feb 4 10° 29° -29° (1996) 53° (1992) 0.04" NA
Feb 5 10° 29° -22° (1996) 48° (1993) 0.04" NA
Feb 6 11° 29° -16° (2007) 53° (2005) 0.04" NA
Feb 7 11° 29° -11° (1996) 45° (2005) 0.04" NA
Feb 8 11° 30° -12° (2007) 43° (1991) 0.04" NA
Feb 9 12° 30° -10° (2007) 56° (1990) 0.04" NA
Feb 10 12° 30° -22° (1994) 51° (1999) 0.03" NA
Feb 11 12° 31° -18° (1994) 58° (1999) 0.03" NA
Feb 12 12° 31° -13° (1994) 66° (1999) 0.03" NA
Feb 13 13° 31° -6° (1988) 54° (1990) 0.04" NA
Feb 14 13° 31° -6° (1988) 40° (2006) 0.04" NA
Feb 15 13° 32° -11° (2007) 58° (2006) 0.04" NA
Feb 16 14° 32° -7° (2007) 54° (1999) 0.04" NA
Feb 17 14° 33° -7° (2007) 45° (1998) 0.04" NA
Feb 18 15° 33° -15° (2006) 49° (1994) 0.04" NA
Feb 19 15° 33° -14° (2006) 51° (1994) 0.04" NA
Feb 20 15° 34° -4° (2006) 52° (1994) 0.04" NA
Feb 21 16° 34° 3° (1990) 53° (2003) 0.04" NA
Feb 22 16° 35° -2° (1989) 52° (2003) 0.04" NA
Feb 23 17° 35° -3° (1989) 53° (2000) 0.04" NA
Feb 24 17° 35° -12° (1993) 62° (2000) 0.04" NA
Feb 25 17° 36° -12° (1993) 60° (2002) 0.04" NA
Feb 26 18° 36° -4° (2003) 69° (2000) 0.04" NA
Feb 27 18° 37° -13° (1994) 63° (2000) 0.04" NA
Feb 28 19° 37° -12° (1994) 52° (2000) 0.04" NA
Feb 29 19° 37° 7° (1996) 55° (2000) 0.04" NA
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