Grafton, Wisconsin
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 13° 30° -26° (1963) 57° (1973) 1.5" 11.6"
February 16° 33° -29° (1996) 61° (1984) 1.46" 9.1"
March 25° 41° -15° (1962) 82° (2007) 1.96" 6.4"
April 35° 52° 11° (1982) 92° (1980) 3.28" 0.6"
May 45° 62° 23° (1966) 90° (2007) 3.43" 0.1"
June 55° 72° 29° (2003) 102° (1988) 3.82" 0"
July 61° 78° 40° (1965) 106° (1995) 4.01" 0"
August 61° 78° 42° (1986) 103° (1988) 3.95" 0"
September 52° 71° 28° (1995) 96° (1976) 3.47" 0"
October 41° 59° 16° (1988) 89° (1963) 2.44" 0.1"
November 30° 46° -10° (1976) 76° (1978) 2.36" 1"
December 18° 34° -20° (1983) 68° (2001) 1.98" 9.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Feb 1 13° 30° -15° (1996) 47° (1987) 0.04" 0.3"
Feb 2 13° 31° -25° (1996) 48° (1987) 0.04" 0.4"
Feb 3 13° 31° -29° (1996) 49° (1991) 0.04" 0.3"
Feb 4 13° 31° -23° (1996) 50° (1962) 0.05" 0.3"
Feb 5 13° 31° -14° (1979) 44° (2005) 0.04" 0.3"
Feb 6 13° 31° -13° (2007) 50° (2005) 0.04" 0.3"
Feb 7 13° 31° -6° (2007) 47° (1987) 0.04" 0.3"
Feb 8 14° 32° -14° (1979) 54° (2009) 0.04" 0.3"
Feb 9 14° 32° -12° (1971) 51° (2002) 0.04" 0.3"
Feb 10 14° 32° -9° (1979) 53° (2009) 0.05" 0.3"
Feb 11 14° 32° -13° (1982) 59° (2009) 0.04" 0.4"
Feb 12 14° 32° -8° (1967) 51° (1976) 0.05" 0.3"
Feb 13 15° 33° -6° (1963) 47° (2005) 0.05" 0.4"
Feb 14 15° 33° -3° (1970) 52° (1984) 0.05" 0.3"
Feb 15 15° 33° -6° (1963) 57° (1976) 0.04" 0.3"
Feb 16 15° 33° -3° (1979) 53° (1981) 0.05" 0.3"
Feb 17 16° 34° -5° (1979) 57° (1981) 0.05" 0.4"
Feb 18 16° 34° -14° (2006) 55° (1981) 0.06" 0.3"
Feb 19 16° 34° -14° (2006) 53° (1994) 0.05" 0.4"
Feb 20 17° 34° -10° (1966) 47° (1965) 0.05" 0.3"
Feb 21 17° 35° -6° (1968) 56° (2003) 0.06" 0.4"
Feb 22 17° 35° -5° (1965) 61° (1984) 0.05" 0.3"
Feb 23 18° 35° -3° (1967) 61° (1984) 0.06" 0.3"
Feb 24 18° 35° -6° (1967) 55° (1996) 0.07" 0.4"
Feb 25 18° 36° -10° (1967) 52° (1976) 0.06" 0.3"
Feb 26 19° 36° -3° (1963) 57° (2000) 0.06" 0.3"
Feb 27 19° 36° 1° (1994) 51° (2000) 0.07" 0.3"
Feb 28 19° 37° -9° (1962) 49° (1983) 0.06" 0.3"
Feb 29 20° 37° -1° (1980) 52° (1964) 0.06" NA
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