Atterbury, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -9° -31.1° (1977) 21.1° (1989) 1.92" 5.3"
February -7° -29.4° (1996) 23.9° (1996) 1.68" 4.3"
March -1° 11° -22.2° (1978) 30.6° (1986) 2.49" 1.4"
April 18° -9.4° (1982) 32.8° (1986) 3.61" 0.3"
May 11° 23° -1.7° (1976) 35.6° (1967) 4.07" 0"
June 17° 28° 3.9° (2003) 39.4° (1988) 4.04" 0"
July 18° 30° 7.2° (1962) 39.4° (1966) 4.6" 0"
August 17° 29° 4.4° (1986) 39.4° (1987) 3.29" 0"
September 12° 26° -2.2° (1995) 37.2° (1984) 3.04" 0"
October 19° -7.8° (1962) 34.4° (2006) 2.87" 0"
November -1° 11° -20.6° (1964) 27.8° (2000) 3.11" 0.2"
December -7° -30.6° (1989) 22.8° (1998) 2.33" 3.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 18° 30° 11° (1965) 37° (1970) 0.15" 0"
Jul 2 18° 30° 11° (1995) 37° (1970) 0.15" 0"
Jul 3 18° 30° 10° (1967) 36° (1966) 0.14" 0"
Jul 4 18° 30° 8° (1967) 37° (1990) 0.15" 0"
Jul 5 18° 30° 9° (1967) 37° (1966) 0.15" 0"
Jul 6 18° 30° 9° (1972) 36° (1977) 0.15" 0"
Jul 7 18° 30° 11° (1983) 37° (1989) 0.15" 0"
Jul 8 18° 30° 12° (1963) 37° (1971) 0.16" 0"
Jul 9 18° 30° 11° (1963) 37° (1966) 0.15" 0"
Jul 10 18° 30° 9° (1996) 38° (1966) 0.15" 0"
Jul 11 18° 30° 9° (1999) 38° (1966) 0.15" 0"
Jul 12 18° 30° 11° (1999) 39° (1966) 0.16" 0"
Jul 13 18° 30° 9° (1975) 39° (1966) 0.15" 0"
Jul 14 18° 30° 9° (1975) 37° (1974) 0.16" 0"
Jul 15 18° 30° 10° (2001) 38° (1988) 0.15" 0"
Jul 16 18° 30° 13° (1967) 36° (1980) 0.15" 0"
Jul 17 18° 30° 13° (1973) 37° (1988) 0.15" 0"
Jul 18 18° 30° 11° (1979) 37° (1966) 0.15" 0"
Jul 19 18° 30° 12° (1979) 37° (1980) 0.14" 0"
Jul 20 18° 30° 11° (2009) 37° (1983) 0.14" 0"
Jul 21 18° 30° 11° (1970) 37° (1983) 0.15" 0"
Jul 22 18° 30° 11° (1970) 39° (1983) 0.14" 0"
Jul 23 18° 30° 11° (1985) 39° (1983) 0.16" 0"
Jul 24 18° 30° 9° (2000) 37° (2001) 0.15" 0"
Jul 25 18° 30° 12° (2000) 40° (2005) 0.15" 0"
Jul 26 18° 30° 10° (1962) 39° (2005) 0.14" 0"
Jul 27 18° 30° 7° (1962) 36° (1964) 0.15" 0"
Jul 28 18° 30° 11° (1994) 37° (1983) 0.14" 0"
Jul 29 18° 30° 11° (1971) 36° (1983) 0.14" 0"
Jul 30 18° 30° 10° (1971) 36° (1987) 0.14" 0"
Jul 31 18° 30° 9° (1971) 39° (1988) 0.14" 0"
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