Atlas, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 18° 36° -25° (1999) 72° (1990) 2.45" 3.6"
February 22° 42° -26° (1979) 75° (1976) 2.4" 5.6"
March 31° 52° -16° (1978) 85° (1991) 2.84" 1.9"
April 42° 65° 13° (1975) 92° (1992) 3.98" 0.1"
May 51° 73° 26° (1989) 96° (1992) 4.46" 0"
June 61° 82° 37° (1969) 104° (1988) 3.93" 0"
July 66° 87° 42° (1983) 105° (1966) 4.12" 0"
August 64° 86° 37° (1986) 106° (1984) 3.69" 0"
September 55° 78° 28° (1989) 102° (1984) 3.82" 0"
October 43° 67° 16° (1976) 94° (1963) 2.77" 0"
November 34° 53° -8° (1991) 80° (2000) 3.46" 0.6"
December 22° 39° -21° (1989) 78° (1991) 2.53" 3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Oct 1 47° 72° 29° (1985) 91° (1994) 0.09" 0"
Oct 2 47° 72° 23° (1974) 91° (1994) 0.1" 0"
Oct 3 47° 72° 24° (1974) 90° (2006) 0.09" 0"
Oct 4 46° 71° 21° (1987) 92° (2006) 0.08" 0"
Oct 5 46° 71° 25° (1988) 89° (1963) 0.09" 0"
Oct 6 45° 71° 23° (1988) 89° (1981) 0.09" 0"
Oct 7 45° 70° 25° (1988) 90° (1963) 0.08" 0"
Oct 8 45° 70° 23° (1987) 92° (1963) 0.09" 0"
Oct 9 44° 69° 27° (2000) 88° (1980) 0.09" 0"
Oct 10 44° 69° 27° (2000) 87° (1991) 0.08" 0"
Oct 11 44° 69° 20° (1987) 94° (1963) 0.08" 0"
Oct 12 44° 68° 20° (1987) 88° (1989) 0.09" 0"
Oct 13 43° 68° 24° (1979) 87° (1975) 0.08" 0"
Oct 14 43° 68° 23° (1979) 88° (1989) 0.08" 0"
Oct 15 43° 67° 30° (1969) 87° (1989) 0.08" 0"
Oct 16 43° 67° 27° (2001) 89° (1963) 0.09" 0"
Oct 17 42° 67° 22° (1976) 83° (1990) 0.08" 0"
Oct 18 42° 66° 20° (1976) 90° (1991) 0.09" 0"
Oct 19 42° 66° 16° (1972) 86° (1963) 0.1" 0"
Oct 20 42° 66° 20° (1972) 84° (1963) 0.09" 0"
Oct 21 41° 65° 25° (1982) 86° (2003) 0.1" 0"
Oct 22 41° 65° 16° (1976) 86° (1979) 0.1" 0"
Oct 23 41° 65° 22° (1982) 87° (1991) 0.09" 0"
Oct 24 41° 64° 22° (1982) 85° (1963) 0.1" 0"
Oct 25 41° 64° 22° (1982) 83° (1963) 0.09" 0"
Oct 26 40° 63° 22° (1980) 79° (1989) 0.09" 0"
Oct 27 40° 63° 23° (1969) 80° (1999) 0.09" 0"
Oct 28 40° 62° 20° (1976) 85° (1963) 0.1" 0"
Oct 29 40° 62° 20° (1980) 79° (1964) 0.09" 0"
Oct 30 40° 62° 18° (1980) 81° (2004) 0.09" 0"
Oct 31 39° 61° 24° (1993) 81° (1971) 0.09" 0"
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