Yorkville, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 29° -26° (1985) 66° (1989) 1.62" 8.7"
February 16° 35° -25° (1951) 72° (2000) 1.52" 7.9"
March 26° 46° -15° (1943) 83° (1986) 2.57" 4.1"
April 36° 59° 8° (1982) 92° (1930) 3.88" 1.1"
May 46° 71° 21° (1966) 104° (1934) 3.91" 0"
June 56° 81° 34° (1929) 106° (1934) 4.34" 0"
July 61° 84° 40° (1907) 111° (1936) 4.39" 0"
August 58° 82° 37° (1915) 105° (1934) 4.38" 0"
September 50° 75° 25° (1942) 103° (1939) 3.5" 0"
October 38° 63° 11° (1925) 90° (1971) 2.71" 0.2"
November 28° 47° -11° (1947) 81° (1950) 3.17" 1.3"
December 16° 34° -25° (1914) 69° (2001) 2.4" 8.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 61° 84° 47° (1947) 98° (1988) 0.14" NA
Aug 2 61° 84° 46° (1927) 101° (1991) 0.14" NA
Aug 3 61° 84° 45° (1920) 104° (1930) 0.14" NA
Aug 4 60° 84° 46° (1912) 101° (1916) 0.14" NA
Aug 5 60° 84° 44° (1912) 100° (1918) 0.14" NA
Aug 6 60° 84° 44° (1994) 100° (1918) 0.14" NA
Aug 7 60° 83° 46° (1989) 99° (1918) 0.14" NA
Aug 8 60° 83° 45° (1904) 103° (1934) 0.15" NA
Aug 9 60° 83° 45° (1904) 105° (1934) 0.15" NA
Aug 10 60° 83° 47° (1922) 98° (1944) 0.15" NA
Aug 11 60° 83° 45° (1904) 98° (1941) 0.15" NA
Aug 12 59° 83° 45° (1902) 102° (1918) 0.14" NA
Aug 13 59° 83° 48° (1967) 99° (1936) 0.14" NA
Aug 14 59° 83° 44° (1964) 98° (1944) 0.14" NA
Aug 15 59° 82° 46° (1929) 98° (1944) 0.14" NA
Aug 16 59° 82° 45° (1979) 98° (1937) 0.14" NA
Aug 17 58° 82° 47° (1976) 98° (1988) 0.14" NA
Aug 18 58° 82° 44° (1963) 100° (1936) 0.14" NA
Aug 19 58° 82° 46° (1953) 98° (1983) 0.14" NA
Aug 20 58° 82° 47° (1908) 97° (1916) 0.14" NA
Aug 21 58° 81° 40° (1950) 98° (1916) 0.14" NA
Aug 22 57° 81° 45° (1907) 102° (1936) 0.14" NA
Aug 23 57° 81° 45° (1904) 98° (1947) 0.14" NA
Aug 24 57° 81° 44° (1908) 99° (1936) 0.14" NA
Aug 25 57° 81° 40° (1934) 97° (1991) 0.14" NA
Aug 26 56° 81° 42° (1934) 95° (1953) 0.14" NA
Aug 27 56° 80° 44° (1904) 95° (1953) 0.14" NA
Aug 28 56° 80° 40° (1935) 98° (1984) 0.14" NA
Aug 29 56° 80° 40° (1965) 96° (1984) 0.14" NA
Aug 30 55° 80° 40° (1915) 98° (1925) 0.14" NA
Aug 31 55° 79° 37° (1915) 98° (1953) 0.14" NA
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