Le Roy, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 16° 33° -25° (1999) 68° (1967) 1.91" 3.6"
February 20° 38° -18° (1982) 70° (1976) 2.1" 5.4"
March 29° 49° -1° (1978) 85° (1986) 2.3" 1.7"
April 39° 61° 12° (1982) 93° (1986) 3.63" 0.5"
May 51° 73° 23° (1966) 95° (1969) 4.23" 0"
June 60° 82° 39° (1969) 101° (1988) 4.29" 0"
July 63° 85° 43° (1967) 105° (1966) 3.97" 0"
August 61° 84° 35° (1986) 101° (1983) 4.01" 0"
September 53° 78° 30° (1989) 98° (1983) 3.06" 0"
October 40° 65° 16° (1962) 94° (1962) 3.28" 0.1"
November 31° 49° 3° (1977) 82° (1978) 3.31" 0.7"
December 21° 36° -21° (1989) 69° (1984) 2.58" 6.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 58° 83° 42° (1986) 93° (1984) 0.12" 0"
Sep 2 58° 83° 44° (1967) 93° (1990) 0.1" 0"
Sep 3 57° 82° 43° (1974) 93° (1990) 0.11" 0"
Sep 4 57° 82° 42° (1974) 94° (1990) 0.11" 0"
Sep 5 57° 82° 45° (1974) 95° (1990) 0.1" 0"
Sep 6 56° 82° 38° (1962) 93° (1990) 0.11" 0"
Sep 7 56° 81° 39° (1988) 94° (1964) 0.1" 0"
Sep 8 56° 81° 33° (1986) 94° (1978) 0.1" 0"
Sep 9 55° 81° 34° (1986) 98° (1983) 0.1" 0"
Sep 10 55° 81° 39° (1986) 97° (1983) 0.09" 0"
Sep 11 55° 80° 40° (1967) 91° (1979) 0.09" 0"
Sep 12 54° 80° 44° (1964) 94° (1991) 0.09" 0"
Sep 13 54° 80° 32° (1964) 94° (1991) 0.1" 0"
Sep 14 53° 79° 38° (1963) 96° (1991) 0.09" 0"
Sep 15 53° 79° 39° (1985) 91° (1991) 0.09" 0"
Sep 16 53° 79° 38° (1966) 90° (1978) 0.1" 0"
Sep 17 52° 78° 41° (1966) 90° (1992) 0.09" 0"
Sep 18 52° 78° 41° (1973) 93° (1972) 0.1" 0"
Sep 19 51° 77° 40° (1996) 93° (1978) 0.09" 0"
Sep 20 51° 77° 36° (1962) 90° (1978) 0.11" 0"
Sep 21 50° 77° 34° (1971) 92° (1970) 0.1" 0"
Sep 22 50° 76° 33° (1983) 92° (1986) 0.11" 0"
Sep 23 50° 76° 31° (1974) 92° (1988) 0.11" 0"
Sep 24 49° 75° 30° (1989) 86° (1973) 0.11" 0"
Sep 25 49° 75° 32° (1989) 87° (1979) 0.11" 0"
Sep 26 48° 74° 31° (1989) 90° (1986) 0.1" 0"
Sep 27 48° 74° 31° (1989) 89° (1998) 0.12" 0"
Sep 28 48° 73° 31° (1989) 91° (1998) 0.1" 0"
Sep 29 47° 73° 32° (1967) 91° (1986) 0.11" 0"
Sep 30 47° 72° 33° (1967) 91° (1998) 0.1" 0"
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