Harmon, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 12° 29° -27° (1999) 65° (2004) 1.57" 11.2"
February 16° 34° -27° (1905) 71° (2000) 1.65" 5.8"
March 27° 46° -13° (2002) 87° (1986) 2.47" 4.1"
April 38° 60° 8° (1982) 93° (1986) 3.5" 0.7"
May 49° 71° 24° (2005) 105° (1934) 4.41" 0"
June 59° 79° 34° (1945) 106° (1934) 4.9" 0"
July 63° 83° 43° (1904) 110° (1936) 4.14" 0"
August 61° 81° 37° (1934) 103° (1988) 4.5" 0"
September 51° 75° 22° (1942) 102° (1939) 3.55" 0"
October 40° 62° 7° (1925) 93° (1963) 2.9" 0.1"
November 29° 47° -8° (1977) 81° (1933) 2.69" 1.4"
December 17° 33° -25° (1983) 68° (1998) 2.19" 6.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 62° 83° 45° (1924) 102° (1931) 0.14" 0"
Jul 2 62° 83° 44° (1904) 98° (1910) 0.13" 0"
Jul 3 62° 83° 45° (1907) 99° (1911) 0.13" 0"
Jul 4 63° 83° 45° (1940) 102° (1911) 0.14" 0"
Jul 5 63° 83° 45° (1972) 100° (1911) 0.14" 0"
Jul 6 63° 83° 45° (1979) 102° (1911) 0.15" 0"
Jul 7 63° 83° 45° (1984) 102° (1936) 0.15" 0"
Jul 8 63° 83° 47° (1915) 103° (1936) 0.15" 0"
Jul 9 63° 83° 50° (1918) 102° (1936) 0.15" 0"
Jul 10 63° 83° 48° (1996) 104° (1936) 0.14" 0"
Jul 11 63° 83° 44° (1945) 106° (1936) 0.15" 0"
Jul 12 63° 83° 49° (1918) 108° (1936) 0.14" 0"
Jul 13 63° 83° 47° (1940) 107° (1936) 0.14" 0"
Jul 14 63° 83° 46° (1926) 110° (1936) 0.13" 0"
Jul 15 63° 83° 46° (1930) 102° (1936) 0.13" 0"
Jul 16 63° 83° 45° (1945) 102° (1901) 0.13" 0"
Jul 17 63° 83° 47° (1940) 99° (1921) 0.14" 0"
Jul 18 63° 83° 48° (1924) 100° (1966) 0.12" 0"
Jul 19 63° 83° 48° (1909) 101° (1930) 0.12" 0"
Jul 20 63° 83° 48° (1941) 104° (1901) 0.12" 0"
Jul 21 63° 83° 47° (1944) 108° (1901) 0.13" 0"
Jul 22 63° 82° 45° (1947) 103° (1934) 0.12" 0"
Jul 23 63° 82° 43° (1904) 104° (1901) 0.14" 0"
Jul 24 63° 82° 45° (1904) 107° (1901) 0.13" 0"
Jul 25 62° 82° 50° (1911) 104° (1940) 0.12" 0"
Jul 26 62° 82° 47° (1911) 104° (1936) 0.13" 0"
Jul 27 62° 82° 46° (1937) 102° (1930) 0.12" 0"
Jul 28 62° 82° 48° (1925) 101° (1931) 0.13" 0"
Jul 29 62° 82° 47° (1925) 100° (1931) 0.13" 0"
Jul 30 62° 82° 46° (1936) 100° (1913) 0.12" 0"
Jul 31 62° 82° 46° (1918) 102° (1913) 0.13" 0"
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