Altona, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 13° 29° -23° (1985) 67° (1909) 1.52" 7.9"
February 19° 35° -28° (1905) 70° (1932) 1.54" 6.7"
March 29° 47° -12° (1962) 86° (1910) 2.79" 4.8"
April 39° 61° 9° (1920) 93° (1930) 3.93" 1.8"
May 51° 72° 22° (2005) 105° (1934) 3.94" 0"
June 60° 82° 36° (1913) 105° (1934) 4.39" 0"
July 64° 85° 44° (1947) 111° (1936) 3.98" 0"
August 62° 83° 38° (1915) 105° (1936) 4.32" 0"
September 53° 76° 25° (1942) 101° (1953) 3.57" 0"
October 42° 64° 9° (1925) 94° (1909) 2.73" 0.3"
November 30° 48° -7° (1977) 83° (1950) 2.91" 2.1"
December 18° 34° -26° (1924) 69° (1998) 2.27" 5.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 63° 84° 48° (1924) 102° (1931) 0.14" NA
Jul 2 63° 84° 47° (1904) 98° (1925) 0.14" NA
Jul 3 63° 84° 47° (1917) 100° (1925) 0.13" NA
Jul 4 63° 85° 49° (1909) 104° (1911) 0.13" NA
Jul 5 63° 85° 45° (1915) 104° (1936) 0.13" NA
Jul 6 64° 85° 47° (1967) 104° (1911) 0.13" NA
Jul 7 64° 85° 48° (1997) 104° (1936) 0.13" NA
Jul 8 64° 85° 48° (1922) 105° (1936) 0.13" NA
Jul 9 64° 85° 50° (1961) 102° (1936) 0.13" NA
Jul 10 64° 85° 45° (1996) 104° (1936) 0.13" NA
Jul 11 64° 85° 46° (1945) 107° (1936) 0.13" NA
Jul 12 64° 85° 50° (1918) 110° (1936) 0.13" NA
Jul 13 64° 85° 48° (1940) 110° (1936) 0.13" NA
Jul 14 64° 85° 48° (1950) 111° (1936) 0.13" NA
Jul 15 64° 85° 48° (1930) 110° (1936) 0.12" NA
Jul 16 64° 85° 50° (1945) 102° (1936) 0.12" NA
Jul 17 64° 85° 52° (1911) 103° (1936) 0.12" NA
Jul 18 64° 85° 49° (1924) 101° (1930) 0.12" NA
Jul 19 65° 85° 49° (1909) 103° (1930) 0.12" NA
Jul 20 65° 85° 50° (1929) 101° (1916) 0.12" NA
Jul 21 65° 85° 48° (1947) 104° (1934) 0.12" NA
Jul 22 65° 85° 44° (1947) 104° (1934) 0.13" NA
Jul 23 65° 85° 48° (1947) 104° (1934) 0.13" NA
Jul 24 64° 85° 50° (2000) 104° (1934) 0.13" NA
Jul 25 64° 85° 49° (1911) 104° (1934) 0.13" NA
Jul 26 64° 85° 47° (1962) 105° (1936) 0.13" NA
Jul 27 64° 85° 50° (1962) 106° (1930) 0.13" NA
Jul 28 64° 85° 49° (1925) 102° (1916) 0.13" NA
Jul 29 64° 85° 50° (1981) 104° (1916) 0.13" NA
Jul 30 64° 85° 45° (1971) 105° (1916) 0.13" NA
Jul 31 64° 85° 46° (1971) 105° (1913) 0.13" NA
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