Ontario, Indiana
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 14° 29° -22° (1994) 61° (1997) 1.79" 10"
February 16° 34° -22° (1963) 73° (2000) 1.76" 10.5"
March 25° 45° -10° (1967) 79° (1990) 2.67" 6.8"
April 36° 57° 8° (1972) 87° (1990) 3.34" 1.5"
May 47° 69° 21° (1966) 93° (1977) 3.63" 0"
June 57° 79° 32° (1972) 104° (1988) 4.17" 0"
July 61° 82° 40° (2001) 101° (1988) 3.59" 0"
August 59° 80° 36° (1965) 100° (1964) 4" 0"
September 51° 73° 28° (1991) 95° (1983) 3.46" 0"
October 40° 61° 17° (1966) 88° (1971) 2.79" 0.5"
November 31° 47° 6° (1976) 76° (2003) 2.89" 4.7"
December 20° 34° -28° (2000) 70° (1982) 2.61" 12.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 56° 77° 37° (1967) 88° (1973) 0.13" NA
Sep 2 55° 77° 40° (1967) 90° (1973) 0.13" NA
Sep 3 55° 77° 40° (1994) 91° (1973) 0.13" NA
Sep 4 55° 77° 38° (1974) 90° (1964) 0.13" NA
Sep 5 55° 77° 39° (1974) 91° (1983) 0.13" NA
Sep 6 54° 76° 34° (1962) 92° (1983) 0.12" NA
Sep 7 54° 76° 38° (1962) 94° (1990) 0.12" NA
Sep 8 54° 76° 37° (1986) 92° (1964) 0.12" NA
Sep 9 53° 75° 37° (1975) 95° (1978) 0.12" NA
Sep 10 53° 75° 36° (1967) 94° (1983) 0.12" NA
Sep 11 53° 75° 35° (1967) 95° (1983) 0.12" NA
Sep 12 52° 75° 38° (1967) 89° (1978) 0.12" NA
Sep 13 52° 74° 30° (1964) 87° (1998) 0.12" NA
Sep 14 52° 74° 32° (1963) 90° (1998) 0.12" NA
Sep 15 52° 74° 37° (1975) 88° (1991) 0.12" NA
Sep 16 51° 73° 32° (1966) 90° (1991) 0.12" NA
Sep 17 51° 73° 37° (1984) 86° (1967) 0.11" NA
Sep 18 50° 73° 36° (1984) 85° (1965) 0.11" NA
Sep 19 50° 72° 35° (1982) 88° (1983) 0.11" NA
Sep 20 50° 72° 30° (1962) 88° (1978) 0.11" NA
Sep 21 49° 72° 28° (1962) 90° (1998) 0.11" NA
Sep 22 49° 71° 35° (1976) 87° (1970) 0.11" NA
Sep 23 49° 71° 30° (1974) 89° (1980) 0.11" NA
Sep 24 48° 70° 30° (1976) 86° (2004) 0.11" NA
Sep 25 48° 70° 33° (1991) 81° (2004) 0.11" NA
Sep 26 47° 70° 30° (1966) 87° (1986) 0.1" NA
Sep 27 47° 69° 30° (1989) 89° (1998) 0.1" NA
Sep 28 47° 69° 28° (1991) 84° (1973) 0.1" NA
Sep 29 46° 68° 31° (1962) 85° (1999) 0.1" NA
Sep 30 46° 68° 31° (1993) 86° (1986) 0.1" NA
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