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
Dec 1 -3.3° 6.1° -14° (1964) 18° (1970) 0.09" NA
Dec 2 -3.3° 6.1° -15° (1976) 22° (1982) 0.09" NA
Dec 3 -3.3° 5.6° -18° (1976) 23° (1970) 0.09" NA
Dec 4 -3.9° 5.6° -18° (1991) 23° (1998) 0.09" NA
Dec 5 -3.9° -13° (1991) 18° (2001) 0.09" NA
Dec 6 -3.9° -19° (1977) 21° (1980) 0.09" NA
Dec 7 -4.4° 4.4° -21° (1976) 18° (1980) 0.09" NA
Dec 8 -4.4° 4.4° -17° (1972) 21° (1991) 0.09" NA
Dec 9 -5° 4.4° -19° (1977) 15° (1993) 0.09" NA
Dec 10 -5° 3.9° -22° (1977) 17° (1979) 0.08" NA
Dec 11 -5° 3.9° -21° (1962) 17° (1979) 0.08" NA
Dec 12 -5.6° 3.9° -24° (1962) 18° (1991) 0.08" NA
Dec 13 -5.6° 3.3° -20° (1962) 18° (1975) 0.08" NA
Dec 14 -5.6° 3.3° -21° (1989) 19° (1975) 0.08" NA
Dec 15 -6.1° 2.8° -25° (1989) 18° (1971) 0.08" NA
Dec 16 -6.1° 2.8° -23° (1989) 17° (1984) 0.08" NA
Dec 17 -6.1° 2.8° -22° (1989) 15° (2006) 0.08" NA
Dec 18 -6.7° 2.8° -22° (1985) 17° (1962) 0.08" NA
Dec 19 -6.7° 2.2° -27° (1983) 16° (1988) 0.08" NA
Dec 20 -6.7° 2.2° -27° (1989) 15° (1988) 0.07" NA
Dec 21 -6.7° 2.2° -26° (1989) 17° (1967) 0.07" NA
Dec 22 -7.2° 1.7° -31° (1989) 12° (1982) 0.07" NA
Dec 23 -7.2° 1.7° -29° (1989) 17° (1982) 0.07" NA
Dec 24 -7.2° 1.7° -28° (1983) 16° (1982) 0.07" NA
Dec 25 -7.2° 1.7° -26° (1983) 16° (1982) 0.07" NA
Dec 26 -7.8° 1.7° -23° (1962) 11° (1971) 0.07" NA
Dec 27 -7.8° 1.1° -18° (1962) 14° (1971) 0.07" NA
Dec 28 -7.8° 1.1° -20° (2000) 22° (1984) 0.07" NA
Dec 29 -8.3° 1.1° -22° (1981) 19° (1984) 0.06" NA
Dec 30 -8.3° 1.1° -24° (1983) 16° (1992) 0.06" NA
Dec 31 -8.3° 1.1° -23° (1976) 12° (1992) 0.06" NA
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