Heathsville, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 21° 37° -21° (1994) 75° (1943) 2.45" 5.9"
February 26° 44° -18° (1982) 77° (1972) 2.58" 6.1"
March 35° 55° -12° (1960) 88° (1929) 3.8" 3.6"
April 44° 66° 18° (2001) 94° (1989) 4" 0.3"
May 54° 77° 28° (1903) 98° (1987) 4.67" 0"
June 64° 85° 34° (1988) 108° (1954) 3.81" 0"
July 67° 89° 38° (1917) 114° (1954) 4.24" 0"
August 65° 87° 41° (1946) 108° (1930) 3.76" 0"
September 57° 81° 26° (1942) 107° (1954) 3.5" 0"
October 45° 69° 16° (1952) 95° (1953) 3.03" 0"
November 37° 54° 0° (1929) 84° (1950) 3.85" 1.2"
December 26° 42° -23° (1989) 74° (1998) 3.15" 4.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 67° 88° 52° (1966) 104° (1953) 0.13" NA
Aug 2 67° 88° 52° (1920) 104° (1953) 0.13" NA
Aug 3 67° 88° 49° (1950) 104° (1947) 0.13" NA
Aug 4 67° 88° 49° (1912) 104° (1947) 0.13" NA
Aug 5 66° 88° 51° (1912) 106° (1947) 0.12" NA
Aug 6 66° 88° 47° (1957) 106° (1930) 0.12" NA
Aug 7 66° 88° 44° (1997) 105° (1930) 0.12" NA
Aug 8 66° 88° 46° (1997) 108° (1930) 0.12" NA
Aug 9 66° 87° 48° (1999) 107° (1988) 0.12" NA
Aug 10 66° 87° 50° (1901) 103° (1988) 0.12" NA
Aug 11 66° 87° 46° (1901) 105° (1988) 0.12" NA
Aug 12 66° 87° 45° (2004) 100° (1940) 0.12" NA
Aug 13 66° 87° 46° (1964) 104° (1943) 0.12" NA
Aug 14 65° 87° 45° (1924) 99° (1909) 0.12" NA
Aug 15 65° 87° 46° (2004) 104° (1988) 0.12" NA
Aug 16 65° 87° 46° (2004) 106° (1988) 0.12" NA
Aug 17 65° 86° 50° (1929) 107° (1988) 0.12" NA
Aug 18 65° 86° 48° (1963) 107° (1988) 0.12" NA
Aug 19 65° 86° 45° (1943) 106° (1936) 0.12" NA
Aug 20 64° 86° 49° (1941) 102° (1936) 0.12" NA
Aug 21 64° 86° 44° (1950) 104° (1936) 0.12" NA
Aug 22 64° 86° 43° (1956) 104° (1936) 0.12" NA
Aug 23 64° 86° 45° (1923) 101° (1943) 0.12" NA
Aug 24 63° 86° 48° (1927) 107° (1943) 0.12" NA
Aug 25 63° 85° 46° (1958) 100° (1954) 0.12" NA
Aug 26 63° 85° 43° (1945) 105° (1943) 0.12" NA
Aug 27 63° 85° 47° (1910) 102° (1953) 0.12" NA
Aug 28 63° 85° 47° (1968) 104° (1936) 0.12" NA
Aug 29 62° 85° 44° (1965) 103° (1953) 0.12" NA
Aug 30 62° 85° 41° (1946) 102° (1953) 0.12" NA
Aug 31 62° 84° 44° (1915) 105° (1953) 0.12" NA
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