Superior, Wisconsin
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 21° -32° (1994) 51° (2003) 0.95" 9.6"
February 26° -37° (1996) 54° (1991) 0.53" 5.5"
March 17° 35° -28° (1962) 68° (2000) 1.37" 9"
April 29° 46° -14° (1975) 81° (1965) 1.58" 2.2"
May 38° 56° 21° (2004) 90° (1986) 2.26" 0.2"
June 47° 66° 30° (1995) 91° (2002) 3.71" 0"
July 56° 75° 37° (2004) 97° (1980) 3.73" 0"
August 57° 74° 32° (2004) 93° (1983) 3.69" 0"
September 47° 65° 29° (2004) 92° (1976) 3.71" 0"
October 36° 52° 14° (1976) 85° (1992) 1.89" 0.2"
November 23° 38° -10° (1976) 67° (2001) 1.39" 4.6"
December 25° -27° (1983) 57° (1962) 0.79" 11.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 15° 31° -14° (1976) 48° (1962) NA NA
Dec 2 15° 31° -16° (1976) 55° (1962) NA NA
Dec 3 14° 30° -18° (1976) 57° (1962) NA NA
Dec 4 14° 30° -11° (1991) 56° (1998) NA NA
Dec 5 13° 29° -5° (1991) 48° (1960) NA NA
Dec 6 13° 29° -16° (1972) 44° (2001) NA NA
Dec 7 12° 28° -21° (1976) 39° (1963) NA NA
Dec 8 12° 28° -9° (1976) 42° (1990) NA NA
Dec 9 11° 28° -11° (1995) 43° (1990) NA NA
Dec 10 11° 27° -14° (1995) 53° (1990) NA NA
Dec 11 11° 27° -20° (1995) 41° (2002) NA NA
Dec 12 10° 26° -19° (1995) 44° (1980) NA NA
Dec 13 10° 26° -13° (2000) 47° (1998) NA NA
Dec 14 26° -14° (1985) 42° (1976) NA NA
Dec 15 25° -11° (1964) 50° (1998) NA NA
Dec 16 25° -11° (1979) 43° (1984) NA NA
Dec 17 25° -14° (1983) 45° (1997) NA NA
Dec 18 24° -22° (1983) 40° (1962) NA NA
Dec 19 24° -27° (1983) 46° (1997) NA NA
Dec 20 24° -22° (1983) 38° (1979) NA NA
Dec 21 23° -24° (1989) 38° (1967) NA NA
Dec 22 23° -18° (1983) 40° (2003) NA NA
Dec 23 23° -21° (1983) 44° (1994) NA NA
Dec 24 23° -16° (1983) 42° (1963) NA NA
Dec 25 22° -16° (1990) 42° (1994) NA NA
Dec 26 22° -22° (1996) 48° (1999) NA NA
Dec 27 22° -21° (1996) 40° (1994) NA NA
Dec 28 22° -17° (1976) 39° (2003) NA NA
Dec 29 22° -15° (1976) 39° (1965) NA NA
Dec 30 21° -19° (1976) 48° (1999) NA NA
Dec 31 21° -24° (1967) 38° (2002) NA NA
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