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
Sep 1 15° 28° 7° (1967) 37° (1984) 0.11" 0"
Sep 2 15° 28° 8° (1994) 35° (2000) 0.1" 0"
Sep 3 15° 28° 7° (1974) 34° (1999) 0.11" 0"
Sep 4 15° 28° 5° (1974) 36° (1990) 0.1" 0"
Sep 5 14° 28° 6° (1974) 36° (1990) 0.11" 0"
Sep 6 14° 28° 5° (1988) 37° (1990) 0.11" 0"
Sep 7 14° 28° 6° (1988) 35° (1985) 0.1" 0"
Sep 8 14° 27° 3° (1986) 34° (1971) 0.11" 0"
Sep 9 14° 27° 7° (1986) 35° (1983) 0.1" 0"
Sep 10 13° 27° 6° (1969) 36° (1983) 0.11" 0"
Sep 11 13° 27° 4° (2001) 36° (2000) 0.11" 0"
Sep 12 13° 27° 4° (2001) 35° (2005) 0.11" 0"
Sep 13 13° 27° 3° (1964) 34° (2005) 0.1" 0"
Sep 14 12° 26° 3° (1996) 36° (2005) 0.11" 0"
Sep 15 12° 26° 4° (1996) 33° (1991) 0.1" 0"
Sep 16 12° 26° 3° (1984) 33° (1997) 0.1" 0"
Sep 17 12° 26° 4° (1999) 34° (1988) 0.1" 0"
Sep 18 11° 26° 5° (1973) 33° (1972) 0.09" 0"
Sep 19 11° 25° 2° (1991) 34° (2000) 0.1" 0"
Sep 20 11° 25° 0° (1962) 33° (2005) 0.1" 0"
Sep 21 11° 25° 0° (1991) 32° (1970) 0.11" 0"
Sep 22 11° 25° 0° (1983) 33° (1988) 0.1" 0"
Sep 23 10° 24° -2° (1995) 34° (2005) 0.1" 0"
Sep 24 10° 24° 0° (1989) 32° (1984) 0.1" 0"
Sep 25 10° 24° 2° (1989) 32° (1999) 0.1" 0"
Sep 26 10° 24° 2° (1984) 33° (1998) 0.1" 0"
Sep 27 24° 2° (1975) 33° (1990) 0.09" 0"
Sep 28 23° 2° (1984) 31° (1971) 0.1" 0"
Sep 29 23° 1° (1992) 31° (1971) 0.08" 0"
Sep 30 23° -1° (1984) 32° (1971) 0.08" 0"
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