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
Aug 1 62° 84° 44° (1947) 96° (1944) 0.13" NA
Aug 2 62° 84° 44° (1927) 102° (1988) 0.14" NA
Aug 3 62° 84° 45° (1950) 101° (1930) 0.14" NA
Aug 4 62° 84° 42° (1951) 100° (1988) 0.14" NA
Aug 5 62° 84° 44° (1972) 107° (1918) 0.14" NA
Aug 6 62° 84° 43° (1948) 105° (1918) 0.14" NA
Aug 7 62° 84° 42° (1989) 104° (1918) 0.14" NA
Aug 8 62° 83° 46° (1976) 98° (1934) 0.14" NA
Aug 9 61° 83° 44° (1964) 99° (1936) 0.14" NA
Aug 10 61° 83° 48° (1972) 99° (1944) 0.15" NA
Aug 11 61° 83° 44° (1904) 97° (1941) 0.15" NA
Aug 12 61° 83° 43° (1942) 104° (1918) 0.15" NA
Aug 13 61° 83° 45° (1967) 101° (1918) 0.15" NA
Aug 14 61° 83° 42° (1964) 99° (1944) 0.15" NA
Aug 15 60° 82° 43° (1964) 98° (1944) 0.15" NA
Aug 16 60° 82° 42° (1979) 99° (1937) 0.15" NA
Aug 17 60° 82° 44° (1976) 100° (1947) 0.15" NA
Aug 18 60° 82° 39° (1963) 103° (1988) 0.15" NA
Aug 19 60° 82° 44° (1977) 98° (1947) 0.15" NA
Aug 20 59° 82° 40° (1950) 101° (1947) 0.15" NA
Aug 21 59° 81° 41° (1950) 100° (1947) 0.15" NA
Aug 22 59° 81° 43° (1969) 103° (1947) 0.15" NA
Aug 23 59° 81° 44° (1920) 103° (1947) 0.15" NA
Aug 24 58° 81° 41° (1942) 104° (1947) 0.14" NA
Aug 25 58° 81° 39° (1917) 94° (1925) 0.14" NA
Aug 26 58° 80° 42° (1964) 96° (1991) 0.14" NA
Aug 27 58° 80° 42° (1968) 97° (1973) 0.14" NA
Aug 28 57° 80° 40° (1968) 96° (1947) 0.14" NA
Aug 29 57° 80° 39° (1986) 97° (1925) 0.14" NA
Aug 30 57° 80° 37° (1915) 98° (1941) 0.14" NA
Aug 31 56° 79° 42° (1915) 98° (1953) 0.14" NA
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