Yorkville, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 16° 30° -26° (1985) 66° (1989) 1.68" 7.8"
February 20° 35° -25° (1951) 72° (2000) 1.8" 6.8"
March 30° 47° -15° (1943) 83° (1986) 2.37" 2.5"
April 40° 60° 8° (1982) 92° (1930) 3.62" 0.6"
May 50° 71° 21° (1966) 104° (1934) 4.01" 0"
June 60° 80° 34° (1929) 106° (1934) 4.22" 0"
July 65° 84° 40° (1907) 111° (1936) 3.9" 0"
August 63° 82° 37° (1915) 105° (1934) 4.07" 0"
September 55° 75° 25° (1942) 103° (1939) 3.59" 0"
October 43° 62° 11° (1925) 90° (1971) 3.07" 0"
November 33° 48° -11° (1947) 81° (1950) 3.24" 0.8"
December 20° 34° -25° (1914) 69° (2001) 2.2" 8.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 64° 84° 43° (1965) 99° (1910) 0.13" 0"
Jul 2 64° 84° 43° (1904) 97° (1970) 0.12" 0"
Jul 3 64° 84° 40° (1907) 97° (1911) 0.12" 0"
Jul 4 65° 84° 44° (1924) 98° (1901) 0.12" 0"
Jul 5 65° 84° 44° (1972) 99° (1911) 0.13" 0"
Jul 6 65° 84° 42° (1983) 100° (1936) 0.13" 0"
Jul 7 65° 84° 47° (1983) 107° (1936) 0.13" 0"
Jul 8 65° 84° 47° (1901) 106° (1936) 0.13" 0"
Jul 9 65° 84° 46° (1918) 100° (1936) 0.12" 0"
Jul 10 65° 84° 45° (1945) 107° (1936) 0.12" 0"
Jul 11 65° 84° 47° (1913) 109° (1936) 0.12" 0"
Jul 12 65° 84° 49° (1918) 108° (1936) 0.13" 0"
Jul 13 65° 84° 47° (1918) 108° (1936) 0.12" 0"
Jul 14 65° 84° 46° (1926) 111° (1936) 0.12" 0"
Jul 15 65° 84° 43° (1930) 102° (1988) 0.13" 0"
Jul 16 65° 84° 42° (1945) 103° (1901) 0.12" 0"
Jul 17 65° 84° 46° (1940) 102° (1936) 0.13" 0"
Jul 18 65° 84° 48° (1924) 101° (1930) 0.12" 0"
Jul 19 65° 84° 45° (1909) 103° (1930) 0.11" 0"
Jul 20 65° 84° 45° (1929) 105° (1934) 0.12" 0"
Jul 21 65° 84° 43° (1944) 109° (1901) 0.13" 0"
Jul 22 65° 84° 44° (1947) 107° (1934) 0.13" 0"
Jul 23 65° 84° 44° (1947) 107° (1934) 0.13" 0"
Jul 24 65° 84° 47° (1909) 106° (1934) 0.13" 0"
Jul 25 65° 83° 46° (1911) 105° (1934) 0.12" 0"
Jul 26 65° 83° 44° (1911) 106° (1936) 0.13" 0"
Jul 27 65° 83° 46° (1937) 101° (1916) 0.13" 0"
Jul 28 65° 83° 49° (1925) 101° (1916) 0.13" 0"
Jul 29 65° 83° 46° (1928) 102° (1916) 0.13" 0"
Jul 30 65° 83° 47° (1971) 103° (1916) 0.13" 0"
Jul 31 65° 83° 45° (1936) 99° (1945) 0.14" 0"
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