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
May 1 7.8° 21.7° 0° (1978) 31° (1992) 0.13" NA
May 2 7.8° 21.7° -1° (1978) 33° (1968) 0.13" NA
May 3 8.3° 21.7° -2° (1976) 30° (1965) 0.13" NA
May 4 8.3° 22.2° 0° (2005) 29° (1980) 0.13" NA
May 5 8.3° 22.2° 2° (1992) 31° (1980) 0.13" NA
May 6 8.9° 22.2° 1° (1992) 29° (2000) 0.13" NA
May 7 8.9° 22.8° 1° (1989) 32° (1965) 0.13" NA
May 8 9.4° 22.8° 1° (1992) 32° (1963) 0.13" NA
May 9 9.4° 22.8° -1° (1983) 33° (1963) 0.14" NA
May 10 9.4° 23.3° 2° (1969) 32° (1963) 0.14" NA
May 11 10° 23.3° 3° (1997) 32° (2005) 0.14" NA
May 12 10° 23.3° 2° (1981) 32° (2000) 0.14" NA
May 13 10° 23.9° 3° (1971) 31° (1965) 0.14" NA
May 14 10.6° 23.9° 3° (2000) 34° (1987) 0.14" NA
May 15 10.6° 23.9° 2° (1997) 32° (2001) 0.14" NA
May 16 10.6° 24.4° 1° (1997) 33° (2001) 0.14" NA
May 17 11.1° 24.4° 1° (1973) 33° (1996) 0.14" NA
May 18 11.1° 24.4° 4° (1976) 33° (1996) 0.14" NA
May 19 11.1° 25° 3° (1968) 34° (1996) 0.14" NA
May 20 11.7° 25° 1° (2002) 34° (1987) 0.14" NA
May 21 11.7° 25° 1° (2002) 34° (1987) 0.14" NA
May 22 11.7° 25.6° 3° (1963) 33° (1972) 0.14" NA
May 23 12.2° 25.6° 1° (1963) 33° (1972) 0.14" NA
May 24 12.2° 25.6° 3° (1992) 32° (1967) 0.14" NA
May 25 12.8° 26.1° 2° (1992) 36° (1967) 0.14" NA
May 26 12.8° 26.1° 4° (1971) 34° (1967) 0.13" NA
May 27 12.8° 26.1° 1° (1992) 34° (1967) 0.13" NA
May 28 12.8° 26.1° 3° (1992) 33° (1969) 0.13" NA
May 29 13.3° 26.7° 3° (1965) 34.4° (2006) 0.13" NA
May 30 13.3° 26.7° 5° (1996) 34.4° (2006) 0.13" NA
May 31 13.3° 26.7° 6° (1972) 33° (1988) 0.13" NA
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