Hopper, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 15° 33° -23° (1982) 70° (1950) 1.49" 7"
February 19° 38° -30° (1905) 76° (1930) 1.83" 5.5"
March 29° 50° -13° (1960) 88° (1910) 2.66" 3.8"
April 41° 63° 9° (1975) 94° (1930) 3.9" 1.1"
May 51° 73° 26° (1906) 105° (1934) 4.8" 0"
June 61° 82° 37° (1903) 108° (1934) 4.75" 0"
July 65° 86° 42° (1975) 110° (1936) 4.64" 0"
August 63° 85° 36° (1915) 113° (1934) 3.73" 0"
September 53° 77° 25° (1942) 103° (1913) 3.79" 0"
October 42° 65° 1° (1925) 96° (2006) 3.09" 0.1"
November 31° 51° -3° (1929) 83° (1950) 2.94" 1.8"
December 19° 37° -26° (1924) 72° (1998) 2.28" 5.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Apr 1 35° 57° 17° (1926) 85° (1946) 0.11" NA
Apr 2 36° 58° 22° (1936) 86° (1981) 0.12" NA
Apr 3 36° 58° 11° (1975) 81° (1978) 0.12" NA
Apr 4 36° 59° 9° (1975) 86° (1929) 0.11" NA
Apr 5 37° 59° 9° (1920) 83° (1929) 0.12" NA
Apr 6 37° 59° 13° (1982) 83° (1929) 0.12" NA
Apr 7 37° 60° 16° (1990) 84° (1991) 0.12" NA
Apr 8 38° 60° 18° (2007) 81° (1931) 0.12" NA
Apr 9 38° 61° 18° (1997) 84° (1905) 0.13" NA
Apr 10 39° 61° 18° (1973) 94° (1930) 0.12" NA
Apr 11 39° 61° 21° (1957) 93° (1930) 0.13" NA
Apr 12 39° 62° 18° (1990) 92° (1930) 0.13" NA
Apr 13 40° 62° 20° (1950) 87° (1941) 0.12" NA
Apr 14 40° 63° 23° (1950) 87° (2006) 0.13" NA
Apr 15 40° 63° 22° (1928) 86° (2003) 0.13" NA
Apr 16 41° 63° 24° (1949) 87° (2002) 0.14" NA
Apr 17 41° 64° 24° (1907) 88° (2004) 0.13" NA
Apr 18 41° 64° 25° (1983) 87° (2004) 0.14" NA
Apr 19 42° 64° 22° (1983) 89° (2002) 0.13" NA
Apr 20 42° 65° 26° (1901) 88° (1936) 0.14" NA
Apr 21 43° 65° 27° (1904) 89° (1987) 0.14" NA
Apr 22 43° 66° 25° (1986) 90° (1980) 0.13" NA
Apr 23 43° 66° 24° (1910) 86° (1925) 0.14" NA
Apr 24 44° 66° 20° (1910) 84° (1915) 0.14" NA
Apr 25 44° 67° 25° (1934) 86° (1915) 0.14" NA
Apr 26 44° 67° 29° (1907) 92° (1986) 0.14" NA
Apr 27 45° 67° 29° (1932) 88° (1956) 0.14" NA
Apr 28 45° 68° 30° (1988) 90° (1970) 0.14" NA
Apr 29 45° 68° 29° (1958) 92° (1910) 0.14" NA
Apr 30 46° 68° 28° (1908) 91° (1987) 0.14" NA
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