Union, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 11° 28° -29° (1979) 62° (1967) 1.48" NA
February 16° 33° -27° (1905) 73° (1932) 1.29" NA
March 26° 45° -16° (1943) 84° (1986) 2.42" NA
April 37° 59° 6° (1982) 94° (1926) 3.71" NA
May 47° 71° 22° (1966) 107° (1934) 4.1" NA
June 57° 81° 29° (1972) 107° (1934) 4.56" NA
July 62° 85° 39° (1972) 109° (1936) 3.86" NA
August 60° 82° 37° (1915) 107° (1918) 4.47" NA
September 51° 75° 25° (1974) 103° (1922) 3.32" NA
October 39° 63° 8° (1925) 90° (1971) 2.61" NA
November 29° 47° -17° (1947) 80° (1933) 2.69" NA
December 17° 33° -26° (1950) 65° (1962) 1.97" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 61° 84° 42° (1965) 100° (1963) 0.14" NA
Jul 2 61° 84° 45° (1924) 98° (1963) 0.13" NA
Jul 3 61° 84° 46° (1907) 100° (1911) 0.13" NA
Jul 4 61° 84° 41° (1963) 99° (1911) 0.13" NA
Jul 5 61° 84° 39° (1972) 101° (1911) 0.13" NA
Jul 6 61° 84° 41° (1965) 98° (1977) 0.13" NA
Jul 7 62° 84° 43° (1983) 105° (1936) 0.13" NA
Jul 8 62° 84° 45° (1963) 105° (1936) 0.12" NA
Jul 9 62° 84° 45° (1963) 102° (1936) 0.12" NA
Jul 10 62° 85° 45° (1963) 106° (1936) 0.12" NA
Jul 11 62° 85° 42° (1945) 108° (1936) 0.12" NA
Jul 12 62° 85° 46° (1918) 105° (1936) 0.12" NA
Jul 13 62° 85° 46° (1940) 106° (1936) 0.12" NA
Jul 14 62° 85° 43° (1950) 109° (1936) 0.12" NA
Jul 15 62° 85° 46° (1930) 100° (1901) 0.12" NA
Jul 16 62° 85° 40° (1945) 104° (1988) 0.12" NA
Jul 17 62° 85° 44° (1940) 99° (1936) 0.12" NA
Jul 18 62° 85° 45° (1924) 103° (1946) 0.12" NA
Jul 19 62° 85° 46° (1929) 100° (1930) 0.12" NA
Jul 20 62° 85° 44° (1929) 103° (1930) 0.12" NA
Jul 21 63° 85° 41° (1966) 107° (1901) 0.12" NA
Jul 22 63° 85° 43° (1947) 105° (1934) 0.12" NA
Jul 23 63° 85° 43° (1947) 106° (1934) 0.12" NA
Jul 24 63° 85° 49° (1905) 106° (1934) 0.12" NA
Jul 25 63° 85° 46° (1911) 104° (1940) 0.12" NA
Jul 26 63° 84° 45° (1911) 104° (1936) 0.13" NA
Jul 27 62° 84° 46° (1937) 101° (1916) 0.13" NA
Jul 28 62° 84° 48° (1925) 102° (1916) 0.13" NA
Jul 29 62° 84° 46° (1971) 102° (1916) 0.13" NA
Jul 30 62° 84° 46° (1971) 101° (1919) 0.13" NA
Jul 31 62° 84° 44° (1918) 98° (1999) 0.13" NA
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