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) 1.56" 6.1"
February -6° -29.4° (1996) 23.9° (1996) 1.53" 5.2"
March -1° 11° -22.2° (1978) 30.6° (1986) 2.77" 2.1"
April 18° -9.4° (1982) 32.8° (1986) 3.34" 0.8"
May 11° 24° -1.7° (1976) 35.6° (1967) 4.2" 0"
June 16° 29° 3.9° (2003) 39.4° (1988) 3.7" 0"
July 18° 31° 7.2° (1962) 39.4° (1966) 4.04" 0"
August 17° 29° 4.4° (1986) 39.4° (1987) 3.47" 0"
September 13° 27° -2.2° (1995) 37.2° (1984) 3" 0"
October 19° -7.8° (1962) 34.4° (2006) 2.73" 0"
November 11° -20.6° (1964) 27.8° (2000) 2.95" 1.5"
December -6° -30.6° (1989) 22.8° (1998) 2.42" 4.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 15° 28.3° 7° (1967) 37° (1984) 0.11" NA
Sep 2 15° 28.3° 8° (1994) 35° (2000) 0.11" NA
Sep 3 14.4° 28.3° 7° (1974) 34° (1999) 0.11" NA
Sep 4 14.4° 28.3° 5° (1974) 36° (1990) 0.11" NA
Sep 5 14.4° 27.8° 6° (1974) 36° (1990) 0.1" NA
Sep 6 14.4° 27.8° 5° (1988) 37° (1990) 0.1" NA
Sep 7 13.9° 27.8° 6° (1988) 35° (1985) 0.1" NA
Sep 8 13.9° 27.8° 3° (1986) 34° (1971) 0.1" NA
Sep 9 13.9° 27.2° 7° (1986) 35° (1983) 0.1" NA
Sep 10 13.3° 27.2° 6° (1969) 36° (1983) 0.1" NA
Sep 11 13.3° 27.2° 4° (2001) 36° (2000) 0.1" NA
Sep 12 13.3° 27.2° 4° (2001) 34° (1991) 0.1" NA
Sep 13 12.8° 27.2° 3° (1964) 33° (1991) 0.1" NA
Sep 14 12.8° 26.7° 3° (1996) 34° (1971) 0.1" NA
Sep 15 12.8° 26.7° 4° (1996) 33° (1991) 0.1" NA
Sep 16 12.8° 26.7° 3° (1984) 33° (1997) 0.1" NA
Sep 17 12.2° 26.1° 4° (1999) 34° (1988) 0.1" NA
Sep 18 12.2° 26.1° 5° (1973) 33° (1972) 0.1" NA
Sep 19 11.7° 26.1° 2° (1991) 34° (2000) 0.1" NA
Sep 20 11.7° 25.6° 0° (1962) 32° (1978) 0.1" NA
Sep 21 11.7° 25.6° 0° (1991) 32° (1970) 0.1" NA
Sep 22 11.1° 25.6° 0° (1983) 33° (1988) 0.1" NA
Sep 23 11.1° 25° -2° (1995) 30° (2000) 0.1" NA
Sep 24 11.1° 25° 0° (1989) 32° (1984) 0.1" NA
Sep 25 10.6° 25° 2° (1989) 32° (1999) 0.1" NA
Sep 26 10.6° 24.4° 2° (1984) 33° (1998) 0.1" NA
Sep 27 10.6° 24.4° 2° (1975) 33° (1990) 0.09" NA
Sep 28 10° 24.4° 2° (1984) 31° (1971) 0.09" NA
Sep 29 10° 23.9° 1° (1992) 31° (1971) 0.09" NA
Sep 30 10° 23.9° -1° (1984) 32° (1971) 0.09" NA
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