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
Dec 1 26° 41° 0° (1964) 68° (1970) 0.1" 0.1"
Dec 2 26° 41° 3° (1966) 69° (1982) 0.1" 0.1"
Dec 3 25° 40° 0° (1966) 69° (1970) 0.11" 0.1"
Dec 4 25° 40° -2° (1991) 60° (1975) 0.09" 0.2"
Dec 5 25° 39° 0° (1991) 64° (1975) 0.1" 0.1"
Dec 6 24° 39° -3° (1977) 67° (1980) 0.09" 0.2"
Dec 7 24° 38° -6° (1977) 62° (1963) 0.1" 0.1"
Dec 8 24° 38° 1° (1976) 64° (1966) 0.09" 0.2"
Dec 9 24° 38° -5° (1977) 63° (1991) 0.1" 0.1"
Dec 10 23° 37° -9° (1977) 60° (1971) 0.1" 0.2"
Dec 11 23° 37° -5° (1977) 62° (1979) 0.09" 0.2"
Dec 12 23° 37° -13° (1962) 60° (1990) 0.09" 0.2"
Dec 13 22° 36° -6° (1962) 64° (1975) 0.08" 0.2"
Dec 14 22° 36° -5° (1963) 65° (1975) 0.09" 0.3"
Dec 15 22° 36° -5° (1963) 62° (1971) 0.09" 0.2"
Dec 16 21° 35° -8° (1963) 64° (1984) 0.09" 0.2"
Dec 17 21° 35° -3° (1963) 60° (1984) 0.08" 0.3"
Dec 18 21° 35° -9° (1963) 61° (1962) 0.08" 0.2"
Dec 19 20° 35° -15° (1983) 54° (1988) 0.08" 0.3"
Dec 20 20° 34° -9° (1963) 61° (1988) 0.08" 0.2"
Dec 21 20° 34° -17° (1963) 63° (1967) 0.07" 0.2"
Dec 22 20° 34° -19° (1989) 57° (1965) 0.08" 0.3"
Dec 23 19° 34° -21° (1989) 63° (1982) 0.07" 0.2"
Dec 24 19° 34° -20° (1983) 60° (1982) 0.07" 0.3"
Dec 25 19° 34° -15° (1983) 62° (1982) 0.08" 0.2"
Dec 26 19° 33° -10° (1983) 53° (1971) 0.07" 0.3"
Dec 27 18° 33° -6° (1990) 61° (1971) 0.07" 0.2"
Dec 28 18° 33° 3° (1962) 69° (1984) 0.06" 0.3"
Dec 29 18° 33° -10° (1981) 63° (1984) 0.06" 0.2"
Dec 30 18° 33° -15° (1983) 62° (1965) 0.06" 0.2"
Dec 31 17° 33° -11° (1967) 58° (1965) 0.06" 0.2"
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