Ontario, Wisconsin
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 23° -34° (1972) 54° (1981) 1.05" 14.5"
February 15° 30° -34° (1996) 59° (2000) 1.07" 12.2"
March 25° 41° -22° (1962) 83° (1986) 1.74" 10.9"
April 37° 57° 5° (1954) 92° (1952) 3.43" 3.8"
May 48° 69° 21° (1981) 91° (2006) 3.8" 0.2"
June 58° 77° 34° (1964) 100° (1988) 4.2" 0"
July 62° 81° 41° (1951) 101° (1995) 4.83" 0"
August 61° 78° 34° (1950) 102° (1988) 4.58" 0"
September 52° 70° 27° (1951) 95° (1978) 3.57" 0"
October 40° 57° 16° (1981) 91° (1976) 2.58" 0.4"
November 28° 41° -12° (1950) 73° (1964) 2.3" 6.3"
December 14° 27° -28° (1983) 62° (2001) 1.38" 9.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 53° 73° 34° (1964) 92° (1988) 0.13" 0"
Jun 2 54° 73° 40° (1969) 88° (1988) 0.13" 0"
Jun 3 54° 73° 39° (1969) 87° (1963) 0.14" 0"
Jun 4 54° 74° 40° (1954) 89° (1977) 0.15" 0"
Jun 5 55° 74° 39° (1951) 89° (1952) 0.14" 0"
Jun 6 55° 74° 42° (1983) 91° (1952) 0.15" 0"
Jun 7 55° 75° 42° (1998) 92° (1988) 0.14" 0"
Jun 8 56° 75° 37° (1978) 90° (1963) 0.14" 0"
Jun 9 56° 75° 41° (1988) 88° (1976) 0.15" 0"
Jun 10 56° 76° 41° (1982) 87° (2005) 0.14" 0"
Jun 11 57° 76° 38° (1963) 91° (1976) 0.14" 0"
Jun 12 57° 76° 41° (1963) 92° (1961) 0.14" 0"
Jun 13 57° 76° 40° (1969) 94° (1988) 0.15" 0"
Jun 14 58° 77° 44° (1965) 93° (1988) 0.14" 0"
Jun 15 58° 77° 42° (1961) 90° (1994) 0.15" 0"
Jun 16 58° 77° 41° (1964) 90° (1994) 0.14" 0"
Jun 17 59° 78° 39° (1950) 91° (1994) 0.13" 0"
Jun 18 59° 78° 43° (1950) 93° (1994) 0.14" 0"
Jun 19 59° 78° 44° (1970) 90° (1988) 0.14" 0"
Jun 20 59° 79° 40° (1992) 99° (1988) 0.14" 0"
Jun 21 60° 79° 39° (1992) 100° (1988) 0.15" 0"
Jun 22 60° 79° 39° (1992) 96° (1988) 0.14" 0"
Jun 23 60° 79° 44° (1958) 93° (2005) 0.13" 0"
Jun 24 60° 80° 47° (2004) 92° (1988) 0.13" 0"
Jun 25 61° 80° 41° (2004) 93° (1983) 0.14" 0"
Jun 26 61° 80° 45° (1957) 91° (1980) 0.13" 0"
Jun 27 61° 80° 42° (1950) 92° (1971) 0.14" 0"
Jun 28 61° 80° 45° (1956) 90° (1952) 0.14" 0"
Jun 29 61° 80° 45° (1950) 93° (1970) 0.14" 0"
Jun 30 62° 81° 46° (1950) 96° (1963) 0.14" 0"
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