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
Apr 1 35° 58° 21° (1954) 86° (2010) 0.11" 0.1"
Apr 2 36° 59° 20° (1961) 81° (2010) 0.11" 0"
Apr 3 36° 59° 16° (1987) 79° (1956) 0.11" 0.1"
Apr 4 36° 60° 18° (1975) 79° (2005) 0.11" 0"
Apr 5 37° 60° 21° (1995) 84° (1988) 0.11" 0"
Apr 6 37° 61° 15° (1982) 82° (1991) 0.12" 0.1"
Apr 7 38° 61° 7° (1982) 82° (2001) 0.11" 0"
Apr 8 38° 61° 17° (1972) 83° (2001) 0.11" 0.1"
Apr 9 38° 62° 18° (1997) 83° (2001) 0.11" 0"
Apr 10 39° 62° 21° (1982) 83° (1977) 0.11" 0"
Apr 11 39° 63° 23° (1959) 82° (1977) 0.12" 0.1"
Apr 12 39° 63° 20° (1957) 84° (1971) 0.1" 0"
Apr 13 40° 64° 21° (1989) 85° (2006) 0.11" 0"
Apr 14 40° 64° 24° (1957) 85° (2003) 0.1" 0"
Apr 15 40° 64° 25° (1962) 88° (2002) 0.11" 0.1"
Apr 16 41° 65° 24° (1962) 89° (2002) 0.11" 0"
Apr 17 41° 65° 26° (1953) 87° (2002) 0.11" 0"
Apr 18 41° 66° 25° (1953) 90° (2002) 0.12" 0.1"
Apr 19 42° 66° 21° (1983) 84° (2002) 0.11" 0"
Apr 20 42° 66° 25° (1956) 87° (1987) 0.11" 0"
Apr 21 43° 67° 29° (1982) 84° (1985) 0.11" 0"
Apr 22 43° 67° 22° (1986) 89° (1980) 0.11" 0"
Apr 23 43° 68° 23° (1986) 85° (1960) 0.11" 0.1"
Apr 24 44° 68° 25° (1956) 86° (1990) 0.11" 0"
Apr 25 44° 68° 28° (1972) 91° (1986) 0.11" 0"
Apr 26 44° 69° 29° (1972) 91° (1986) 0.11" 0"
Apr 27 45° 69° 30° (1976) 89° (1986) 0.11" 0"
Apr 28 45° 69° 29° (1992) 85° (1952) 0.11" 0"
Apr 29 45° 70° 26° (1977) 87° (1987) 0.12" 0"
Apr 30 46° 70° 30° (1971) 89° (2007) 0.11" 0"
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