Ontario, Wisconsin
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 22° -34° (1972) 54° (1981) 1.26" NA
February 13° 29° -34° (1996) 59° (2000) 1.03" NA
March 23° 41° -22° (1962) 83° (1986) 1.87" NA
April 36° 56° 5° (1954) 92° (1952) 3.45" NA
May 47° 69° 21° (1981) 91° (2006) 3.67" NA
June 56° 77° 34° (1964) 100° (1988) 4.01" NA
July 61° 81° 41° (1951) 101° (1995) 4.82" NA
August 59° 78° 34° (1950) 102° (1988) 4.62" NA
September 51° 70° 27° (1951) 95° (1978) 4.23" NA
October 40° 57° 16° (1981) 91° (1976) 2.66" NA
November 26° 40° -12° (1950) 73° (1964) 2.54" NA
December 13° 26° -28° (1983) 62° (2001) 1.3" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 22° -10° (1979) 40° (1950) 0.04" NA
Jan 2 22° -24° (1979) 44° (1998) 0.04" NA
Jan 3 22° -12° (1979) 47° (1998) 0.04" NA
Jan 4 22° -17° (1959) 41° (1964) 0.04" NA
Jan 5 22° -18° (1972) 44° (1984) 0.04" NA
Jan 6 22° -19° (1971) 41° (1961) 0.04" NA
Jan 7 21° -23° (1986) 49° (2003) 0.04" NA
Jan 8 21° -19° (1970) 51° (2003) 0.04" NA
Jan 9 21° -24° (1977) 49° (2002) 0.04" NA
Jan 10 21° -30° (1982) 42° (1975) 0.04" NA
Jan 11 21° -22° (1977) 45° (1980) 0.04" NA
Jan 12 21° -23° (1977) 44° (1961) 0.04" NA
Jan 13 21° -19° (1963) 44° (1961) 0.04" NA
Jan 14 21° -24° (1972) 39° (1952) 0.04" NA
Jan 15 21° -34° (1972) 40° (1953) 0.04" NA
Jan 16 21° -26° (1972) 43° (1986) 0.04" NA
Jan 17 22° -27° (1982) 44° (1986) 0.04" NA
Jan 18 22° -32° (1994) 47° (1996) 0.05" NA
Jan 19 22° -27° (1994) 43° (1981) 0.05" NA
Jan 20 22° -32° (1994) 43° (1964) 0.04" NA
Jan 21 22° -25° (1963) 49° (1964) 0.04" NA
Jan 22 22° -18° (1956) 49° (1964) 0.04" NA
Jan 23 22° -30° (1963) 44° (1981) 0.04" NA
Jan 24 22° -23° (1952) 53° (1981) 0.04" NA
Jan 25 23° -18° (1972) 54° (1981) 0.04" NA
Jan 26 23° -17° (1972) 49° (2002) 0.04" NA
Jan 27 23° -21° (1955) 51° (2002) 0.04" NA
Jan 28 23° -21° (1965) 44° (2002) 0.04" NA
Jan 29 24° -28° (1951) 37° (1956) 0.04" NA
Jan 30 24° -28° (1951) 39° (1960) 0.04" NA
Jan 31 24° -26° (1996) 43° (1993) 0.04" NA
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