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
Feb 1 13° 31° -14° (1918) 66° (1989) 0.05" 0.2"
Feb 2 14° 31° -21° (1905) 58° (1911) 0.04" 0.3"
Feb 3 14° 32° -21° (1905) 58° (1931) 0.05" 0.2"
Feb 4 14° 32° -21° (1996) 60° (1992) 0.05" 0.2"
Feb 5 14° 32° -21° (1936) 60° (1946) 0.05" 0.2"
Feb 6 14° 32° -18° (1979) 60° (1904) 0.04" 0.2"
Feb 7 15° 33° -15° (1982) 58° (2005) 0.05" 0.2"
Feb 8 15° 33° -14° (1933) 60° (2009) 0.05" 0.2"
Feb 9 15° 33° -26° (1933) 63° (1990) 0.05" 0.3"
Feb 10 15° 33° -17° (1979) 66° (1932) 0.05" 0.2"
Feb 11 16° 34° -14° (1936) 62° (1932) 0.06" 0.1"
Feb 12 16° 34° -13° (1988) 69° (1999) 0.05" 0.3"
Feb 13 16° 34° -28° (1905) 65° (1921) 0.06" 0.2"
Feb 14 16° 35° -28° (1905) 66° (1954) 0.05" 0.1"
Feb 15 17° 35° -17° (1905) 70° (1921) 0.06" 0.2"
Feb 16 17° 35° -17° (1905) 61° (1976) 0.05" 0.2"
Feb 17 17° 36° -18° (1903) 58° (1911) 0.06" 0.2"
Feb 18 18° 36° -18° (1936) 61° (1913) 0.06" 0.2"
Feb 19 18° 37° -15° (1936) 68° (1930) 0.06" 0.2"
Feb 20 19° 37° -11° (1929) 64° (1930) 0.07" 0.1"
Feb 21 19° 37° -10° (1963) 65° (1930) 0.06" 0.2"
Feb 22 19° 38° -10° (1963) 67° (1922) 0.07" 0.1"
Feb 23 20° 38° -13° (1910) 66° (2000) 0.07" 0.2"
Feb 24 20° 39° -10° (1910) 68° (1930) 0.08" 0.2"
Feb 25 20° 39° -10° (1940) 70° (1932) 0.07" 0.1"
Feb 26 21° 40° -11° (1950) 69° (2000) 0.07" 0.1"
Feb 27 21° 40° -10° (1934) 68° (1996) 0.08" 0.2"
Feb 28 22° 40° -3° (1962) 69° (1976) 0.08" 0.1"
Feb 29 22° 41° -1° (1960) 61° (2000) 0.08" NA
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