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
Aug 1 17.8° 30.6° 9° (1962) 38° (1988) 0.12" NA
Aug 2 17.8° 30.6° 12° (1965) 39° (1987) 0.12" NA
Aug 3 17.8° 30.6° 9° (1976) 39° (1964) 0.12" NA
Aug 4 17.8° 30.6° 10° (1978) 38° (1964) 0.12" NA
Aug 5 17.8° 30.6° 8° (1971) 36° (1965) 0.12" NA
Aug 6 17.8° 30° 9° (1997) 36° (1968) 0.12" NA
Aug 7 17.8° 30° 9° (1990) 35° (1968) 0.12" NA
Aug 8 17.8° 30° 9° (1976) 39° (1988) 0.12" NA
Aug 9 17.2° 30° 9° (1972) 35° (2001) 0.12" NA
Aug 10 17.2° 30° 9° (1972) 37° (2001) 0.11" NA
Aug 11 17.2° 30° 9° (1982) 35° (1988) 0.11" NA
Aug 12 17.2° 30° 9° (1967) 35° (1988) 0.11" NA
Aug 13 17.2° 30° 9° (1964) 34° (1965) 0.11" NA
Aug 14 17.2° 30° 10° (1962) 35° (1965) 0.11" NA
Aug 15 17.2° 30° 8° (1962) 37° (1965) 0.11" NA
Aug 16 16.7° 29.4° 7° (2004) 38° (1988) 0.11" NA
Aug 17 16.7° 29.4° 9° (1992) 38° (1983) 0.11" NA
Aug 18 16.7° 29.4° 7° (1963) 38° (1983) 0.11" NA
Aug 19 16.7° 29.4° 12° (1977) 38° (1983) 0.11" NA
Aug 20 16.7° 29.4° 10° (1992) 39° (1983) 0.11" NA
Aug 21 16.7° 29.4° 9° (1992) 37° (1983) 0.11" NA
Aug 22 16.1° 29.4° 11° (1994) 36° (1983) 0.11" NA
Aug 23 16.1° 28.9° 10° (1966) 36° (1968) 0.11" NA
Aug 24 16.1° 28.9° 9° (1987) 35° (1971) 0.11" NA
Aug 25 16.1° 28.9° 11° (1966) 35° (1983) 0.11" NA
Aug 26 15.6° 28.9° 11° (1964) 35° (1983) 0.11" NA
Aug 27 15.6° 28.9° 9° (1968) 37° (2003) 0.11" NA
Aug 28 15.6° 28.9° 4° (1986) 37° (1990) 0.11" NA
Aug 29 15.6° 28.9° 5° (1986) 35° (1984) 0.1" NA
Aug 30 15.6° 28.3° 7° (1986) 35° (2000) 0.1" NA
Aug 31 15° 28.3° 7° (1967) 36° (2000) 0.1" NA
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