Rossville, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 17° 34° -24° (1985) 69° (1950) 1.76" 4.7"
February 21° 38° -25° (1905) 73° (2000) 1.98" 4.8"
March 30° 50° -10° (1943) 93° (1905) 2.79" 1.6"
April 42° 63° 9° (1982) 93° (1930) 3.62" 0.4"
May 52° 74° 25° (1966) 101° (1934) 4.67" 0"
June 63° 83° 34° (1945) 107° (1934) 4.38" 0"
July 65° 85° 43° (1972) 111° (1936) 4.39" 0"
August 63° 84° 36° (1915) 106° (1918) 4.06" 0"
September 55° 78° 25° (1928) 103° (1939) 2.76" 0"
October 44° 66° 9° (1925) 94° (1939) 3.49" 0.1"
November 33° 51° -10° (1950) 81° (1950) 3.23" 0.4"
December 22° 37° -22° (1924) 70° (1982) 2.31" 5.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 27° 43° 6° (1937) 68° (1970) 0.09" 0.1"
Dec 2 26° 42° -1° (1942) 70° (1982) 0.08" 0.1"
Dec 3 26° 42° -10° (1929) 69° (1982) 0.09" 0.1"
Dec 4 25° 41° 0° (1991) 67° (1998) 0.09" 0.1"
Dec 5 25° 41° 1° (2005) 66° (1956) 0.08" 0.1"
Dec 6 25° 40° -3° (1977) 69° (1998) 0.08" 0.1"
Dec 7 24° 40° -4° (1977) 65° (1946) 0.08" 0.2"
Dec 8 24° 39° -6° (1909) 65° (1946) 0.08" 0.1"
Dec 9 24° 39° -12° (1958) 62° (1918) 0.09" 0.2"
Dec 10 23° 39° -11° (1917) 65° (1971) 0.08" 0.1"
Dec 11 23° 38° -13° (1917) 62° (1931) 0.07" 0.2"
Dec 12 23° 38° -7° (1962) 63° (1949) 0.08" 0.2"
Dec 13 23° 38° -11° (1903) 62° (1975) 0.06" 0.2"
Dec 14 22° 37° -4° (1903) 65° (1975) 0.07" 0.2"
Dec 15 22° 37° -14° (1917) 70° (1948) 0.07" 0.3"
Dec 16 22° 37° -16° (1932) 64° (1984) 0.07" 0.2"
Dec 17 22° 36° -10° (1914) 60° (1908) 0.07" 0.2"
Dec 18 21° 36° -11° (1985) 60° (1939) 0.07" 0.2"
Dec 19 21° 36° -12° (1983) 58° (1918) 0.07" 0.3"
Dec 20 21° 36° -12° (1963) 61° (1949) 0.07" 0.2"
Dec 21 21° 35° -18° (1989) 62° (1967) 0.07" 0.2"
Dec 22 20° 35° -21° (1989) 59° (1931) 0.07" 0.2"
Dec 23 20° 35° -16° (1989) 63° (1933) 0.07" 0.2"
Dec 24 20° 35° -18° (1983) 60° (1932) 0.08" 0.2"
Dec 25 20° 35° -14° (1983) 62° (1982) 0.07" 0.2"
Dec 26 20° 35° -18° (1914) 57° (1942) 0.07" 0.3"
Dec 27 20° 34° -11° (1935) 63° (2008) 0.07" 0.2"
Dec 28 19° 34° -22° (1924) 67° (1984) 0.07" 0.2"
Dec 29 19° 34° -9° (1917) 62° (1984) 0.07" 0.2"
Dec 30 19° 34° -13° (1909) 63° (1965) 0.06" 0.2"
Dec 31 19° 34° -11° (1976) 62° (1951) 0.07" 0.2"
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