Harmon, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 26° -27° (1999) 65° (2004) 1.6" 9"
February 15° 32° -27° (1905) 71° (2000) 1.43" 6.8"
March 27° 44° -13° (2002) 87° (1986) 2.55" 5"
April 37° 58° 8° (1982) 93° (1986) 3.61" 1.3"
May 48° 70° 24° (2005) 105° (1934) 4.32" 0"
June 58° 79° 34° (1945) 106° (1934) 4.88" 0"
July 62° 82° 43° (1904) 110° (1936) 3.45" 0"
August 60° 80° 37° (1934) 103° (1988) 4.47" 0"
September 51° 73° 22° (1942) 102° (1939) 3.31" 0"
October 39° 62° 7° (1925) 93° (1963) 2.71" 0.2"
November 28° 45° -8° (1977) 81° (1933) 2.82" 1.5"
December 17° 31° -25° (1983) 68° (1998) 2.13" 9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 61° 82° 45° (1924) 102° (1931) 0.13" NA
Jul 2 61° 82° 44° (1904) 98° (1910) 0.13" NA
Jul 3 61° 82° 45° (1907) 99° (1911) 0.13" NA
Jul 4 62° 82° 45° (1940) 102° (1911) 0.12" NA
Jul 5 62° 82° 45° (1972) 100° (1911) 0.12" NA
Jul 6 62° 82° 45° (1979) 102° (1911) 0.12" NA
Jul 7 62° 82° 45° (1984) 102° (1936) 0.12" NA
Jul 8 62° 82° 47° (1915) 103° (1936) 0.11" NA
Jul 9 62° 82° 50° (1918) 102° (1936) 0.11" NA
Jul 10 62° 82° 48° (1996) 104° (1936) 0.11" NA
Jul 11 62° 82° 44° (1945) 106° (1936) 0.11" NA
Jul 12 62° 82° 49° (1918) 108° (1936) 0.11" NA
Jul 13 62° 82° 47° (1940) 107° (1936) 0.11" NA
Jul 14 62° 82° 46° (1926) 110° (1936) 0.1" NA
Jul 15 62° 82° 46° (1930) 102° (1936) 0.1" NA
Jul 16 63° 82° 45° (1945) 102° (1901) 0.1" NA
Jul 17 63° 82° 47° (1940) 99° (1921) 0.1" NA
Jul 18 63° 82° 48° (1924) 100° (1966) 0.1" NA
Jul 19 63° 82° 48° (1909) 101° (1930) 0.1" NA
Jul 20 63° 82° 48° (1941) 104° (1901) 0.1" NA
Jul 21 63° 82° 47° (1944) 108° (1901) 0.1" NA
Jul 22 63° 82° 45° (1947) 103° (1934) 0.1" NA
Jul 23 63° 82° 43° (1904) 104° (1901) 0.11" NA
Jul 24 63° 82° 45° (1904) 107° (1901) 0.11" NA
Jul 25 63° 82° 50° (1911) 104° (1940) 0.11" NA
Jul 26 63° 82° 47° (1911) 104° (1936) 0.11" NA
Jul 27 63° 82° 46° (1937) 102° (1930) 0.11" NA
Jul 28 62° 82° 48° (1925) 101° (1931) 0.11" NA
Jul 29 62° 82° 47° (1925) 100° (1931) 0.12" NA
Jul 30 62° 82° 46° (1936) 100° (1913) 0.12" NA
Jul 31 62° 82° 46° (1918) 102° (1913) 0.12" NA
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