Cooksville, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 16° 33° -23° (1999) 67° (1967) 1.87" 4.9"
February 20° 38° -19° (1996) 73° (1996) 1.61" 5.1"
March 30° 51° -6° (2002) 85° (1986) 3.04" 1.8"
April 41° 64° 7° (1982) 91° (1986) 3.32" 0.8"
May 51° 75° 22° (1966) 95° (1991) 4.02" 0"
June 61° 83° 36° (1972) 102° (1988) 3.71" 0"
July 64° 86° 45° (1988) 103° (1954) 3.55" 0"
August 62° 84° 37° (1963) 103° (1988) 3.05" 0"
September 54° 78° 24° (1974) 100° (1953) 2.86" 0"
October 43° 66° 17° (1981) 92° (1953) 3.08" 0"
November 33° 51° -4° (1955) 79° (2000) 3.07" 0.8"
December 21° 36° -26° (1989) 70° (1982) 2.41" 6.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 64° 86° 45° (1988) 99° (1956) 0.12" 0"
Jul 2 64° 86° 46° (2001) 97° (1970) 0.13" 0"
Jul 3 64° 86° 46° (1988) 96° (1955) 0.13" 0"
Jul 4 64° 86° 46° (1988) 98° (1977) 0.12" 0"
Jul 5 64° 86° 45° (1967) 98° (1977) 0.13" 0"
Jul 6 64° 86° 45° (1972) 98° (1977) 0.13" 0"
Jul 7 64° 86° 48° (1983) 97° (1957) 0.13" 0"
Jul 8 64° 86° 47° (1954) 96° (1955) 0.14" 0"
Jul 9 64° 86° 50° (1961) 97° (1966) 0.12" 0"
Jul 10 64° 86° 47° (1963) 99° (1966) 0.13" 0"
Jul 11 64° 86° 49° (1999) 97° (1966) 0.13" 0"
Jul 12 64° 86° 51° (1975) 100° (1966) 0.12" 0"
Jul 13 64° 86° 46° (1975) 101° (1966) 0.13" 0"
Jul 14 64° 86° 48° (1967) 103° (1954) 0.12" 0"
Jul 15 64° 86° 51° (1960) 101° (1977) 0.12" 0"
Jul 16 64° 86° 51° (1987) 98° (1988) 0.11" 0"
Jul 17 64° 86° 51° (1973) 93° (1966) 0.12" 0"
Jul 18 64° 85° 50° (1979) 102° (1954) 0.11" 0"
Jul 19 64° 85° 49° (1979) 98° (1980) 0.1" 0"
Jul 20 64° 85° 52° (1979) 99° (1980) 0.11" 0"
Jul 21 64° 85° 52° (1966) 99° (1983) 0.11" 0"
Jul 22 64° 85° 53° (1966) 100° (1983) 0.11" 0"
Jul 23 64° 85° 53° (2000) 98° (1983) 0.1" 0"
Jul 24 64° 85° 50° (2000) 98° (2005) 0.11" 0"
Jul 25 64° 85° 53° (1980) 96° (1987) 0.1" 0"
Jul 26 64° 85° 50° (1962) 98° (1997) 0.1" 0"
Jul 27 64° 85° 48° (1977) 99° (1955) 0.09" 0"
Jul 28 64° 85° 52° (1965) 98° (1983) 0.1" 0"
Jul 29 63° 85° 50° (1971) 97° (1983) 0.09" 0"
Jul 30 63° 85° 48° (1956) 97° (1999) 0.1" 0"
Jul 31 63° 84° 48° (1971) 97° (1988) 0.09" 0"
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