Ontario, Indiana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 16° 30° -22° (1994) 61° (1997) 2" 7.2"
February 18° 34° -22° (1963) 73° (2000) 1.72" 6.3"
March 26° 46° -10° (1967) 79° (1990) 2.29" 2.9"
April 37° 59° 8° (1972) 87° (1990) 3.39" 0.8"
May 48° 69° 21° (1966) 93° (1977) 4.07" 0"
June 58° 80° 32° (1972) 104° (1988) 4.19" 0"
July 61° 83° 40° (2001) 101° (1988) 3.89" 0"
August 60° 81° 36° (1965) 100° (1964) 4.05" 0"
September 52° 74° 28° (1991) 95° (1983) 3.3" 0"
October 41° 62° 17° (1966) 88° (1971) 3.25" 0.4"
November 31° 48° 6° (1976) 76° (2003) 3.16" 1.5"
December 21° 35° -28° (2000) 70° (1982) 2.54" 10.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Oct 1 46° 68° 31° (1993) 86° (1971) 0.1" 0"
Oct 2 45° 67° 29° (1974) 87° (1971) 0.11" 0"
Oct 3 45° 67° 24° (1974) 88° (1971) 0.11" 0"
Oct 4 45° 67° 24° (1974) 85° (1971) 0.11" 0"
Oct 5 44° 66° 25° (1965) 82° (1967) 0.12" 0"
Oct 6 44° 66° 25° (1966) 83° (1997) 0.11" 0"
Oct 7 44° 65° 21° (1964) 86° (1963) 0.11" 0"
Oct 8 43° 65° 29° (1974) 85° (1963) 0.11" 0.1"
Oct 9 43° 64° 25° (1989) 81° (1997) 0.11" 0"
Oct 10 43° 64° 26° (1989) 85° (2010) 0.11" 0"
Oct 11 42° 64° 24° (1964) 85° (2010) 0.11" 0"
Oct 12 42° 63° 27° (1987) 84° (1962) 0.11" 0"
Oct 13 42° 63° 25° (1977) 83° (2008) 0.11" 0"
Oct 14 41° 62° 26° (1993) 85° (1975) 0.11" 0"
Oct 15 41° 62° 28° (1969) 84° (1989) 0.11" 0"
Oct 16 41° 62° 28° (1970) 83° (1962) 0.1" 0.1"
Oct 17 40° 61° 23° (1982) 83° (1963) 0.1" 0"
Oct 18 40° 61° 19° (1976) 80° (1963) 0.11" 0"
Oct 19 40° 60° 19° (1972) 79° (1965) 0.1" 0"
Oct 20 40° 60° 20° (1972) 77° (1971) 0.1" 0"
Oct 21 39° 60° 20° (1974) 80° (2003) 0.1" 0"
Oct 22 39° 59° 22° (1974) 77° (1979) 0.1" 0"
Oct 23 39° 59° 20° (1969) 81° (1963) 0.11" 0.1"
Oct 24 38° 58° 20° (1981) 82° (1963) 0.09" 0"
Oct 25 38° 58° 20° (1966) 79° (1963) 0.1" 0"
Oct 26 38° 58° 21° (1962) 79° (1963) 0.09" 0"
Oct 27 38° 57° 19° (1976) 80° (1963) 0.1" 0"
Oct 28 37° 57° 19° (1976) 75° (1984) 0.11" 0"
Oct 29 37° 56° 19° (1965) 77° (1999) 0.1" 0.1"
Oct 30 37° 56° 17° (1966) 76° (1971) 0.1" 0"
Oct 31 36° 56° 19° (1988) 74° (1989) 0.09" 0"
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