Altona, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 12° 30° -23° (1985) 67° (1909) 1.54" 7"
February 17° 35° -28° (1905) 70° (1932) 1.72" 5.2"
March 27° 48° -12° (1962) 86° (1910) 2.63" 2.4"
April 38° 62° 9° (1920) 93° (1930) 4.11" 0.7"
May 49° 72° 22° (2005) 105° (1934) 3.98" 0"
June 59° 82° 36° (1913) 105° (1934) 4.32" 0"
July 63° 85° 44° (1947) 111° (1936) 3.84" 0"
August 60° 83° 38° (1915) 105° (1936) 4.22" 0"
September 51° 76° 25° (1942) 101° (1953) 3.41" 0"
October 40° 64° 9° (1925) 94° (1909) 2.83" 0"
November 29° 48° -7° (1977) 83° (1950) 3.03" 1.3"
December 16° 34° -26° (1924) 69° (1998) 2.23" 4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 62° 84° 48° (1947) 100° (1988) 0.13" 0"
Aug 2 62° 84° 49° (1907) 100° (1930) 0.12" 0"
Aug 3 62° 84° 43° (1912) 102° (1930) 0.13" 0"
Aug 4 62° 84° 45° (1912) 99° (1913) 0.13" 0"
Aug 5 61° 84° 49° (1994) 102° (1918) 0.12" 0"
Aug 6 61° 83° 44° (1994) 101° (1916) 0.13" 0"
Aug 7 61° 83° 49° (1976) 97° (1918) 0.13" 0"
Aug 8 61° 83° 48° (1904) 98° (1914) 0.13" 0"
Aug 9 61° 83° 47° (1922) 102° (1934) 0.13" 0"
Aug 10 61° 83° 47° (1917) 101° (1913) 0.13" 0"
Aug 11 61° 83° 46° (1967) 99° (1923) 0.13" 0"
Aug 12 61° 83° 46° (1931) 98° (1936) 0.14" 0"
Aug 13 61° 83° 46° (1964) 100° (1909) 0.13" 0"
Aug 14 61° 83° 41° (2004) 101° (1936) 0.14" 0"
Aug 15 61° 83° 43° (2004) 101° (1936) 0.14" 0"
Aug 16 60° 83° 47° (2004) 100° (1937) 0.14" 0"
Aug 17 60° 83° 50° (1981) 100° (1988) 0.14" 0"
Aug 18 60° 83° 45° (1963) 105° (1936) 0.15" 0"
Aug 19 60° 83° 49° (1932) 100° (1988) 0.14" 0"
Aug 20 60° 83° 41° (1950) 100° (1983) 0.14" 0"
Aug 21 60° 83° 44° (1950) 101° (1983) 0.15" 0"
Aug 22 60° 82° 42° (1923) 101° (1936) 0.13" 0"
Aug 23 59° 82° 47° (1920) 101° (1947) 0.14" 0"
Aug 24 59° 82° 44° (1942) 101° (1947) 0.14" 0"
Aug 25 59° 82° 40° (1958) 97° (1903) 0.14" 0"
Aug 26 59° 82° 42° (1910) 96° (1953) 0.13" 0"
Aug 27 59° 82° 44° (1906) 98° (1955) 0.14" 0"
Aug 28 58° 82° 42° (1935) 97° (1955) 0.14" 0"
Aug 29 58° 81° 39° (1934) 97° (1948) 0.15" 0"
Aug 30 58° 81° 38° (1915) 98° (1945) 0.14" 0"
Aug 31 57° 81° 39° (1915) 101° (1953) 0.15" 0"
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