Karnak, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 24° 42° -15° (1985) 77° (1943) 3.47" 3.9"
February 28° 48° -14° (1951) 78° (1962) 3.93" 3.3"
March 37° 58° -2° (1960) 85° (1967) 4.27" 1.2"
April 46° 68° 21° (2007) 90° (1987) 4.95" 0.1"
May 55° 77° 32° (1944) 96° (1953) 4.75" 0"
June 64° 85° 44° (1993) 106° (1952) 4.51" 0"
July 68° 89° 47° (1947) 108° (1942) 4.45" 0"
August 65° 87° 44° (1986) 106° (1947) 2.99" 0"
September 57° 81° 34° (1949) 104° (1954) 3.56" 0"
October 45° 71° 22° (1981) 95° (1938) 3.45" 0.1"
November 37° 57° -3° (1950) 86° (1946) 4.53" 0.1"
December 28° 46° -10° (1989) 77° (1982) 4.38" 1.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 62° 85° 45° (1987) 102° (1953) 0.11" NA
Sep 2 61° 85° 46° (1967) 101° (1953) 0.11" NA
Sep 3 61° 84° 51° (1994) 101° (1954) 0.11" NA
Sep 4 61° 84° 48° (1997) 102° (1954) 0.11" NA
Sep 5 61° 84° 45° (1997) 104° (1954) 0.11" NA
Sep 6 60° 84° 43° (1988) 101° (1954) 0.12" NA
Sep 7 60° 84° 42° (1988) 100° (1960) 0.12" NA
Sep 8 60° 83° 47° (1953) 103° (1939) 0.12" NA
Sep 9 60° 83° 48° (1986) 104° (1939) 0.12" NA
Sep 10 59° 83° 46° (1998) 102° (1939) 0.12" NA
Sep 11 59° 83° 42° (1940) 98° (1938) 0.12" NA
Sep 12 59° 82° 46° (1968) 96° (1938) 0.12" NA
Sep 13 58° 82° 44° (1940) 100° (1939) 0.12" NA
Sep 14 58° 82° 41° (1964) 102° (1939) 0.12" NA
Sep 15 58° 81° 45° (1964) 102° (1939) 0.12" NA
Sep 16 57° 81° 44° (2000) 96° (1939) 0.12" NA
Sep 17 57° 81° 42° (2000) 98° (1939) 0.12" NA
Sep 18 56° 81° 44° (1999) 97° (1953) 0.13" NA
Sep 19 56° 80° 41° (1973) 97° (1954) 0.12" NA
Sep 20 56° 80° 41° (1991) 95° (1955) 0.12" NA
Sep 21 55° 80° 38° (1991) 98° (1940) 0.12" NA
Sep 22 55° 79° 38° (1999) 98° (1940) 0.12" NA
Sep 23 55° 79° 37° (1995) 95° (2007) 0.12" NA
Sep 24 54° 79° 35° (1995) 94° (1945) 0.12" NA
Sep 25 54° 79° 38° (1950) 94° (1939) 0.12" NA
Sep 26 53° 78° 37° (2001) 94° (1939) 0.12" NA
Sep 27 53° 78° 37° (1991) 94° (1939) 0.12" NA
Sep 28 52° 78° 38° (1942) 95° (1938) 0.12" NA
Sep 29 52° 77° 38° (1942) 98° (1953) 0.12" NA
Sep 30 51° 77° 34° (1949) 91° (1998) 0.12" NA
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