Le Roy, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 14° 32° -25° (1999) 68° (1967) 1.61" NA
February 19° 37° -18° (1982) 70° (1976) 1.66" NA
March 30° 49° -1° (1978) 85° (1986) 2.95" NA
April 40° 62° 12° (1982) 93° (1986) 3.44" NA
May 51° 73° 23° (1966) 95° (1969) 3.95" NA
June 60° 83° 39° (1969) 101° (1988) 3.97" NA
July 64° 85° 43° (1967) 105° (1966) 3.82" NA
August 62° 84° 35° (1986) 101° (1983) 3.99" NA
September 54° 78° 30° (1989) 98° (1983) 2.85" NA
October 42° 66° 16° (1962) 94° (1962) 2.56" NA
November 31° 49° 3° (1977) 82° (1978) 2.85" NA
December 21° 36° -21° (1989) 69° (1984) 2.44" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 46° 68° 30° (1963) 83° (1965) 0.12" NA
May 2 46° 68° 29° (1966) 90° (1968) 0.12" NA
May 3 46° 69° 29° (1976) 87° (1987) 0.12" NA
May 4 47° 69° 32° (1976) 87° (1980) 0.12" NA
May 5 47° 69° 30° (1992) 89° (1980) 0.12" NA
May 6 48° 70° 30° (1968) 86° (1969) 0.12" NA
May 7 48° 70° 29° (1989) 86° (1986) 0.12" NA
May 8 48° 71° 30° (1989) 90° (1963) 0.12" NA
May 9 49° 71° 30° (1989) 91° (1963) 0.13" NA
May 10 49° 71° 23° (1966) 88° (1963) 0.13" NA
May 11 50° 72° 35° (1989) 86° (1982) 0.13" NA
May 12 50° 72° 34° (1981) 86° (1982) 0.13" NA
May 13 50° 72° 35° (1971) 88° (1965) 0.13" NA
May 14 51° 73° 35° (1973) 88° (1965) 0.13" NA
May 15 51° 73° 38° (1973) 88° (1988) 0.13" NA
May 16 51° 73° 32° (1997) 88° (1964) 0.13" NA
May 17 52° 74° 37° (1973) 90° (1977) 0.13" NA
May 18 52° 74° 38° (1973) 93° (1964) 0.13" NA
May 19 52° 74° 40° (1968) 91° (1964) 0.13" NA
May 20 53° 75° 38° (1986) 90° (1998) 0.13" NA
May 21 53° 75° 36° (1967) 90° (1970) 0.13" NA
May 22 53° 76° 33° (1963) 94° (1975) 0.13" NA
May 23 54° 76° 33° (1963) 92° (1975) 0.13" NA
May 24 54° 76° 40° (1969) 90° (1970) 0.13" NA
May 25 54° 77° 38° (1988) 95° (1967) 0.13" NA
May 26 55° 77° 36° (1979) 93° (1967) 0.13" NA
May 27 55° 77° 37° (1971) 94° (1967) 0.13" NA
May 28 55° 78° 42° (1971) 93° (1969) 0.13" NA
May 29 56° 78° 32° (1965) 95° (1969) 0.13" NA
May 30 56° 78° 38° (1966) 94° (1991) 0.13" NA
May 31 56° 79° 40° (1966) 94° (1991) 0.13" NA
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