Collison, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 19° 35° -26° (1994) 70° (1950) 2.21" 4.8"
February 23° 40° -22° (1982) 74° (2000) 2.3" 4.9"
March 32° 52° -13° (1960) 84° (1986) 3.02" 2.7"
April 42° 65° 12° (1982) 92° (1930) 3.98" 0"
May 52° 75° 25° (1966) 103° (1925) 4.74" 0"
June 61° 83° 36° (1945) 105° (1954) 4.55" 0"
July 65° 85° 41° (1947) 112° (1936) 4.67" 0"
August 63° 84° 37° (1946) 107° (1918) 3.48" 0"
September 55° 78° 26° (1928) 102° (1954) 2.93" 0"
October 44° 66° 15° (1925) 98° (1940) 3.57" 0.1"
November 35° 52° -6° (1950) 82° (1950) 3.83" 0.2"
December 23° 38° -25° (1989) 72° (1982) 2.83" 5.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 61° 83° 42° (1915) 101° (1953) 0.11" 0"
Sep 2 61° 83° 39° (1955) 101° (1913) 0.11" 0"
Sep 3 60° 82° 45° (1924) 99° (1913) 0.11" 0"
Sep 4 60° 82° 41° (1928) 101° (1954) 0.09" 0"
Sep 5 60° 82° 42° (1935) 102° (1954) 0.1" 0"
Sep 6 59° 82° 40° (1924) 101° (1925) 0.1" 0"
Sep 7 59° 81° 42° (1962) 98° (1939) 0.1" 0"
Sep 8 58° 81° 37° (1956) 98° (1960) 0.1" 0"
Sep 9 58° 81° 40° (1943) 99° (1933) 0.1" 0"
Sep 10 58° 81° 35° (1943) 97° (1912) 0.1" 0"
Sep 11 57° 80° 36° (1917) 96° (1933) 0.1" 0"
Sep 12 57° 80° 35° (1955) 96° (1939) 0.09" 0"
Sep 13 56° 80° 37° (1955) 101° (1939) 0.1" 0"
Sep 14 56° 79° 33° (1923) 102° (1939) 0.09" 0"
Sep 15 56° 79° 37° (1929) 101° (1939) 0.1" 0"
Sep 16 55° 79° 30° (1916) 100° (1939) 0.09" 0"
Sep 17 55° 78° 32° (1937) 93° (1927) 0.09" 0"
Sep 18 54° 78° 33° (1901) 95° (1953) 0.09" 0"
Sep 19 54° 77° 32° (1901) 97° (1955) 0.09" 0"
Sep 20 53° 77° 33° (1991) 95° (1940) 0.1" 0"
Sep 21 53° 77° 35° (1927) 97° (1955) 0.09" 0"
Sep 22 52° 76° 32° (1918) 93° (2005) 0.1" 0"
Sep 23 52° 76° 29° (1995) 91° (1945) 0.1" 0"
Sep 24 51° 75° 27° (1928) 92° (1920) 0.09" 0"
Sep 25 51° 75° 33° (1942) 93° (1939) 0.1" 0"
Sep 26 51° 74° 26° (1928) 90° (1916) 0.1" 0"
Sep 27 50° 74° 29° (1940) 90° (1954) 0.1" 0"
Sep 28 50° 74° 28° (1942) 94° (1939) 0.1" 0"
Sep 29 49° 73° 28° (1942) 99° (1953) 0.09" 0"
Sep 30 49° 73° 30° (1916) 91° (1971) 0.1" 0"
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