Winnebago, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 13° 29° -27° (1982) 63° (1989) 1.37" 10.2"
February 18° 34° -25° (1933) 70° (2000) 1.47" 7.7"
March 28° 47° -11° (2002) 85° (1986) 2.32" 4.8"
April 38° 61° 5° (1982) 93° (1930) 3.35" 0.9"
May 48° 72° 24° (1966) 106° (1934) 4.02" 0"
June 59° 81° 35° (1945) 106° (1934) 4.65" 0"
July 63° 85° 43° (1967) 112° (1936) 3.95" 0"
August 61° 82° 35° (1915) 104° (1988) 4.59" 0"
September 52° 75° 24° (1942) 103° (1939) 3.35" 0"
October 41° 63° 7° (1925) 91° (1922) 2.67" 0.1"
November 30° 48° -10° (1977) 81° (1933) 2.58" 1.7"
December 18° 33° -24° (1983) 67° (2001) 1.98" 11.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Oct 1 45° 69° 28° (2003) 90° (1971) 0.09" 0"
Oct 2 45° 69° 23° (2003) 91° (1922) 0.1" 0"
Oct 3 45° 68° 28° (1974) 90° (1997) 0.09" 0"
Oct 4 44° 68° 24° (1989) 90° (1922) 0.1" 0"
Oct 5 44° 67° 27° (1980) 90° (1922) 0.09" 0"
Oct 6 44° 67° 23° (1952) 90° (1963) 0.09" 0"
Oct 7 43° 67° 26° (2001) 88° (2007) 0.08" 0"
Oct 8 43° 66° 24° (1987) 88° (1916) 0.09" 0"
Oct 9 43° 66° 23° (1915) 90° (2010) 0.09" 0"
Oct 10 42° 65° 22° (1925) 88° (1938) 0.08" 0"
Oct 11 42° 65° 25° (2009) 88° (1920) 0.09" 0"
Oct 12 42° 64° 24° (1988) 85° (2008) 0.08" 0"
Oct 13 41° 64° 22° (1988) 87° (1975) 0.08" 0"
Oct 14 41° 64° 23° (1937) 87° (1947) 0.08" 0"
Oct 15 41° 63° 21° (1937) 89° (1947) 0.08" 0"
Oct 16 41° 63° 27° (1991) 87° (1938) 0.08" 0"
Oct 17 40° 62° 24° (1992) 87° (1950) 0.08" 0"
Oct 18 40° 62° 19° (1952) 86° (1953) 0.09" 0"
Oct 19 40° 62° 18° (1992) 84° (1953) 0.08" 0"
Oct 20 40° 61° 19° (1930) 86° (1953) 0.08" 0"
Oct 21 39° 61° 22° (1952) 87° (1947) 0.09" 0"
Oct 22 39° 60° 20° (1930) 85° (1947) 0.09" 0"
Oct 23 39° 60° 20° (1981) 83° (1963) 0.08" 0"
Oct 24 39° 59° 18° (1981) 80° (1963) 0.08" 0"
Oct 25 38° 59° 23° (1987) 78° (1989) 0.09" 0.1"
Oct 26 38° 59° 18° (1962) 83° (1927) 0.08" 0"
Oct 27 38° 58° 18° (1936) 84° (1927) 0.09" 0"
Oct 28 38° 58° 9° (1925) 77° (1950) 0.09" 0"
Oct 29 37° 57° 8° (1925) 81° (1922) 0.09" 0"
Oct 30 37° 57° 7° (1925) 83° (1950) 0.08" 0"
Oct 31 37° 56° 14° (1925) 84° (1950) 0.09" 0"
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