Macon, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 17° 35° -26° (1994) 68° (1989) 1.92" 4.2"
February 21° 41° -21° (1982) 76° (1972) 2.01" 4"
March 32° 52° -9° (1978) 86° (1981) 2.68" 1"
April 42° 65° 17° (1987) 89° (1987) 3.69" 0"
May 52° 75° 27° (1966) 93° (1987) 4.35" 0"
June 62° 84° 40° (1966) 104° (1988) 4.56" 0"
July 65° 87° 46° (1972) 103° (1988) 3.73" 0"
August 63° 86° 40° (1986) 104° (1988) 3.14" 0"
September 54° 80° 29° (1983) 99° (1990) 3.09" 0"
October 43° 68° 19° (1999) 91° (1971) 3.35" 0"
November 33° 53° 0° (1964) 80° (1978) 3.98" 0.2"
December 22° 39° -21° (1989) 72° (1970) 2.61" 2.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 27° 45° 3° (1964) 71° (1970) 0.1" 0"
Dec 2 27° 44° 9° (1966) 70° (1982) 0.11" 0.1"
Dec 3 26° 44° 2° (1966) 72° (1970) 0.1" 0"
Dec 4 26° 43° 9° (1991) 70° (1998) 0.1" 0.1"
Dec 5 25° 43° 10° (1991) 71° (1998) 0.1" 0.1"
Dec 6 25° 42° -1° (1977) 70° (1998) 0.1" 0"
Dec 7 25° 42° 0° (1977) 69° (1998) 0.1" 0.1"
Dec 8 24° 42° 5° (1976) 65° (1966) 0.1" 0"
Dec 9 24° 41° -1° (1977) 64° (1991) 0.1" 0.1"
Dec 10 24° 41° -2° (1977) 62° (1971) 0.1" 0.1"
Dec 11 23° 40° 2° (1977) 65° (1979) 0.09" 0"
Dec 12 23° 40° 2° (1989) 64° (1979) 0.09" 0.1"
Dec 13 23° 40° -4° (1963) 64° (1975) 0.08" 0.1"
Dec 14 22° 39° -5° (1963) 65° (1975) 0.08" 0.1"
Dec 15 22° 39° -8° (1989) 63° (1971) 0.08" 0.1"
Dec 16 22° 39° -8° (1989) 65° (1984) 0.08" 0"
Dec 17 21° 38° -11° (1989) 60° (1984) 0.08" 0.1"
Dec 18 21° 38° -9° (1985) 61° (1984) 0.08" 0.1"
Dec 19 21° 38° -13° (1983) 57° (1988) 0.07" 0.1"
Dec 20 21° 37° -14° (1981) 65° (1988) 0.08" 0.1"
Dec 21 20° 37° -21° (1989) 63° (1967) 0.07" 0.1"
Dec 22 20° 37° -19° (1989) 60° (1965) 0.08" 0.1"
Dec 23 20° 37° -14° (1983) 66° (1982) 0.07" 0.1"
Dec 24 20° 37° -17° (1983) 62° (1996) 0.08" 0.1"
Dec 25 20° 36° -15° (1983) 65° (1982) 0.07" 0.1"
Dec 26 19° 36° -10° (1983) 54° (1971) 0.07" 0.1"
Dec 27 19° 36° -15° (1983) 65° (1971) 0.07" 0.2"
Dec 28 19° 36° -10° (1983) 65° (1984) 0.07" 0.1"
Dec 29 19° 36° -8° (1983) 70° (1984) 0.07" 0.1"
Dec 30 19° 36° -19° (1983) 65° (1984) 0.07" 0.2"
Dec 31 19° 35° -12° (1967) 60° (1965) 0.07" 0.1"
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