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
Feb 1 11° 28° -22° (1918) 64° (1989) 0.05" NA
Feb 2 11° 28° -21° (1951) 54° (1927) 0.05" NA
Feb 3 11° 28° -23° (1996) 55° (1927) 0.05" NA
Feb 4 11° 28° -23° (1996) 52° (1992) 0.05" NA
Feb 5 12° 29° -20° (1936) 58° (1909) 0.04" NA
Feb 6 12° 29° -25° (1982) 56° (1946) 0.05" NA
Feb 7 12° 29° -26° (1982) 48° (2005) 0.05" NA
Feb 8 13° 29° -17° (1905) 57° (1925) 0.05" NA
Feb 9 13° 30° -23° (1933) 60° (1990) 0.05" NA
Feb 10 13° 30° -20° (1982) 57° (1976) 0.05" NA
Feb 11 14° 30° -20° (1982) 61° (1999) 0.05" NA
Feb 12 14° 31° -22° (1981) 68° (1999) 0.05" NA
Feb 13 14° 31° -27° (1905) 60° (1938) 0.05" NA
Feb 14 15° 31° -16° (1905) 60° (1954) 0.05" NA
Feb 15 15° 32° -17° (1905) 70° (1921) 0.05" NA
Feb 16 15° 32° -15° (1905) 64° (1921) 0.05" NA
Feb 17 16° 32° -14° (1903) 57° (1911) 0.05" NA
Feb 18 16° 33° -20° (1936) 59° (1981) 0.05" NA
Feb 19 16° 33° -20° (1936) 65° (1930) 0.05" NA
Feb 20 17° 33° -22° (1929) 63° (1930) 0.05" NA
Feb 21 17° 34° -10° (1963) 65° (1930) 0.05" NA
Feb 22 18° 34° -16° (1936) 65° (1922) 0.05" NA
Feb 23 18° 35° -10° (1910) 63° (1930) 0.05" NA
Feb 24 18° 35° -11° (1910) 65° (1930) 0.05" NA
Feb 25 19° 35° -13° (1940) 66° (1932) 0.06" NA
Feb 26 19° 36° -13° (1950) 71° (2000) 0.06" NA
Feb 27 20° 36° -10° (1994) 69° (1976) 0.06" NA
Feb 28 20° 37° -4° (1901) 63° (1932) 0.06" NA
Feb 29 20° 37° -2° (1980) 63° (1932) 0.06" NA
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