Astoria, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 15° 32° -21° (1985) 74° (1909) 1.55" NA
February 20° 38° -26° (1905) 78° (1972) 1.89" NA
March 30° 50° -11° (1960) 90° (1907) 3.05" NA
April 41° 63° 9° (1920) 94° (1930) 3.89" NA
May 51° 73° 21° (2002) 105° (1934) 5.14" NA
June 61° 82° 39° (1903) 104° (1934) 3.92" NA
July 65° 87° 46° (1975) 113° (1936) 3.87" NA
August 63° 84° 41° (1934) 111° (1934) 3.54" NA
September 54° 78° 26° (1942) 103° (1913) 3.63" NA
October 43° 66° 4° (1925) 93° (2006) 3.25" NA
November 31° 50° -8° (1964) 84° (1950) 3.16" NA
December 20° 37° -22° (1924) 76° (1970) 2.43" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 25° 42° 2° (1964) 67° (1962) 0.1" NA
Dec 2 25° 42° 0° (1929) 69° (1982) 0.1" NA
Dec 3 25° 42° -4° (1929) 76° (1970) 0.09" NA
Dec 4 24° 41° -1° (2006) 67° (1916) 0.09" NA
Dec 5 24° 41° 1° (1991) 70° (1956) 0.09" NA
Dec 6 24° 40° -2° (1977) 70° (1980) 0.09" NA
Dec 7 23° 40° -8° (1976) 68° (1916) 0.09" NA
Dec 8 23° 40° -5° (1917) 70° (1991) 0.09" NA
Dec 9 23° 39° -5° (1909) 73° (1991) 0.09" NA
Dec 10 22° 39° -9° (1917) 64° (1979) 0.09" NA
Dec 11 22° 38° -7° (1917) 66° (1949) 0.08" NA
Dec 12 22° 38° -8° (1962) 63° (1990) 0.08" NA
Dec 13 21° 38° -8° (1903) 67° (1975) 0.08" NA
Dec 14 21° 37° -11° (1901) 66° (1975) 0.08" NA
Dec 15 21° 37° -13° (1989) 68° (1948) 0.08" NA
Dec 16 20° 37° -15° (1932) 61° (1939) 0.08" NA
Dec 17 20° 36° -7° (1989) 62° (1962) 0.08" NA
Dec 18 20° 36° -11° (1985) 65° (1939) 0.08" NA
Dec 19 19° 36° -16° (1901) 61° (2002) 0.08" NA
Dec 20 19° 36° -16° (1901) 63° (1949) 0.07" NA
Dec 21 19° 35° -15° (1989) 62° (1941) 0.07" NA
Dec 22 19° 35° -19° (1989) 62° (1933) 0.07" NA
Dec 23 18° 35° -18° (1989) 69° (1982) 0.07" NA
Dec 24 18° 35° -18° (1983) 66° (1955) 0.07" NA
Dec 25 18° 34° -15° (1983) 64° (1936) 0.07" NA
Dec 26 17° 34° -15° (1914) 61° (1942) 0.07" NA
Dec 27 17° 34° -7° (1935) 68° (1946) 0.06" NA
Dec 28 17° 34° -22° (1924) 71° (1984) 0.06" NA
Dec 29 17° 33° -13° (1917) 70° (1984) 0.06" NA
Dec 30 16° 33° -11° (1983) 68° (1965) 0.06" NA
Dec 31 16° 33° -10° (1976) 64° (2002) 0.06" NA
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