Seymour, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 17° 33° -25° (1999) 70° (1909) 2.05" 6.8"
February 20° 38° -25° (1905) 72° (2000) 2.21" 5.8"
March 30° 50° -5° (1906) 85° (1910) 2.86" 2.6"
April 41° 63° 16° (1982) 91° (1986) 3.68" 0.4"
May 52° 73° 26° (1903) 97° (1934) 4.89" 0"
June 62° 83° 37° (1945) 103° (1988) 4.34" 0"
July 65° 85° 41° (1904) 109° (1954) 4.7" 0"
August 63° 84° 39° (1915) 102° (1988) 3.93" 0"
September 54° 78° 29° (1942) 101° (1954) 3.13" 0"
October 43° 65° 13° (1925) 93° (1954) 3.26" 0.1"
November 32° 51° -5° (1950) 80° (1950) 3.68" 0.9"
December 21° 37° -20° (1983) 71° (1998) 2.73" 6.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 57° 79° 40° (1904) 101° (1934) 0.15" 0"
Jun 2 58° 79° 44° (1924) 103° (1934) 0.14" 0"
Jun 3 58° 79° 38° (1910) 94° (1934) 0.14" 0"
Jun 4 59° 80° 37° (1945) 98° (1911) 0.14" 0"
Jun 5 59° 80° 40° (1945) 96° (1911) 0.14" 0"
Jun 6 59° 80° 43° (1998) 97° (1925) 0.15" 0"
Jun 7 60° 80° 39° (1910) 100° (1933) 0.14" 0"
Jun 8 60° 81° 41° (1912) 95° (1958) 0.14" 0"
Jun 9 60° 81° 40° (1913) 96° (1963) 0.15" 0"
Jun 10 61° 81° 43° (1915) 98° (1911) 0.14" 0"
Jun 11 61° 82° 42° (1903) 99° (1933) 0.13" 0"
Jun 12 61° 82° 40° (1903) 95° (1914) 0.14" 0"
Jun 13 62° 82° 40° (1903) 94° (1921) 0.14" 0"
Jun 14 62° 82° 45° (1933) 100° (1987) 0.14" 0"
Jun 15 62° 83° 44° (1917) 97° (1987) 0.15" 0"
Jun 16 63° 83° 38° (1917) 97° (1913) 0.14" 0"
Jun 17 63° 83° 44° (1903) 99° (1918) 0.15" 0"
Jun 18 63° 83° 42° (1909) 97° (1905) 0.14" 0"
Jun 19 63° 84° 46° (1909) 102° (1953) 0.15" 0"
Jun 20 64° 84° 47° (1926) 103° (1953) 0.14" 0"
Jun 21 64° 84° 44° (1992) 99° (1988) 0.14" 0"
Jun 22 64° 84° 43° (1992) 97° (1914) 0.14" 0"
Jun 23 64° 84° 45° (1918) 99° (1930) 0.15" 0"
Jun 24 64° 85° 47° (1927) 98° (1953) 0.15" 0"
Jun 25 64° 85° 46° (1986) 103° (1988) 0.15" 0"
Jun 26 65° 85° 51° (1926) 102° (1954) 0.15" 0"
Jun 27 65° 85° 46° (1905) 101° (1934) 0.16" 0"
Jun 28 65° 85° 50° (1925) 101° (1934) 0.15" 0"
Jun 29 65° 85° 45° (1923) 101° (1936) 0.15" 0"
Jun 30 65° 85° 46° (1943) 98° (1931) 0.15" 0"
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