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
May 1 46° 66° 26° (1945) 89° (1992) 0.13" 0"
May 2 46° 67° 28° (1911) 89° (1901) 0.12" 0"
May 3 46° 67° 28° (1908) 91° (1928) 0.12" 0"
May 4 47° 67° 27° (1907) 90° (1952) 0.13" 0"
May 5 47° 68° 28° (1954) 91° (1952) 0.12" 0"
May 6 47° 68° 26° (1989) 92° (1934) 0.13" 0"
May 7 47° 68° 26° (1989) 88° (1936) 0.12" 0"
May 8 48° 69° 28° (1947) 88° (1963) 0.12" 0"
May 9 48° 69° 27° (1945) 95° (1934) 0.13" 0"
May 10 48° 69° 21° (1966) 88° (1987) 0.12" 0"
May 11 49° 69° 28° (1907) 88° (1987) 0.13" 0"
May 12 49° 70° 29° (1928) 88° (1956) 0.12" 0"
May 13 49° 70° 26° (1938) 90° (1991) 0.14" 0"
May 14 50° 70° 29° (1910) 90° (1932) 0.13" 0"
May 15 50° 71° 30° (1937) 90° (2001) 0.12" 0"
May 16 50° 71° 30° (1904) 91° (2001) 0.13" 0"
May 17 50° 71° 30° (1997) 91° (1911) 0.12" 0"
May 18 51° 72° 30° (1997) 93° (1934) 0.13" 0"
May 19 51° 72° 31° (1929) 95° (1975) 0.14" 0"
May 20 51° 72° 33° (1926) 95° (1975) 0.14" 0"
May 21 52° 72° 29° (1907) 94° (1934) 0.13" 0"
May 22 52° 73° 36° (1924) 92° (1925) 0.14" 0"
May 23 52° 73° 28° (1917) 93° (1921) 0.14" 0"
May 24 53° 73° 33° (1956) 93° (1921) 0.13" 0"
May 25 53° 74° 31° (1925) 92° (1911) 0.14" 0"
May 26 53° 74° 32° (1934) 92° (1911) 0.13" 0"
May 27 54° 74° 32° (1961) 92° (1911) 0.12" 0"
May 28 54° 75° 32° (1992) 94° (1991) 0.13" 0"
May 29 54° 75° 32° (1965) 93° (1934) 0.13" 0"
May 30 55° 75° 34° (1930) 94° (1937) 0.14" 0"
May 31 55° 76° 37° (1930) 104° (1934) 0.14" 0"
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