Alta, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -10° -1° -32.8° (1884) 21.7° (1909) 1.5" 8.2"
February -7° -32.2° (1905) 23.3° (1932) 1.67" 5.6"
March -1° -23.9° (1943) 31.1° (1907) 2.83" 3.2"
April 17° -10.6° (1982) 33.3° (1986) 3.56" 1"
May 11° 23° -3.9° (1966) 40° (1934) 4.17" 0"
June 16° 28° 3.9° (1993) 40.6° (1988) 3.84" 0"
July 18° 30° 7.8° (1911) 45° (1936) 4.02" 0"
August 17° 29° 5° (1986) 41.1° (1936) 3.16" 0"
September 12° 25° -4.4° (1942) 40° (1899) 3.12" 0"
October 18° -13.9° (1925) 33.9° (2006) 2.77" 0"
November -1° -18.9° (1977) 27.2° (1950) 2.99" 2.1"
December -7° -31.1° (1924) 21.7° (1982) 2.4" 7.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Feb 1 -8.9° -25° (1979) 17° (1911) 0.05" NA
Feb 2 -8.9° 0.6° -29° (1905) 12° (1920) 0.05" NA
Feb 3 -8.9° 0.6° -28° (1996) 17° (1992) 0.05" NA
Feb 4 -8.3° 0.6° -26° (1918) 20° (1890) 0.05" NA
Feb 5 -8.3° 0.6° -27° (1979) 16° (1946) 0.05" NA
Feb 6 -8.3° 1.1° -26° (1982) 15° (1904) 0.05" NA
Feb 7 -8.3° 1.1° -27° (1905) 17° (1925) 0.05" NA
Feb 8 -7.8° 1.1° -30° (1895) 17° (1990) 0.05" NA
Feb 9 -7.8° 1.1° -30° (1899) 18° (1943) 0.05" NA
Feb 10 -7.8° 1.7° -27° (1885) 23° (1932) 0.06" NA
Feb 11 -7.8° 1.7° -24° (1936) 20° (1999) 0.06" NA
Feb 12 -7.2° 1.7° -27° (1905) 21° (1938) 0.06" NA
Feb 13 -7.2° 2.2° -32° (1905) 18° (1938) 0.06" NA
Feb 14 -7.2° 2.2° -26° (1905) 19° (1954) 0.06" NA
Feb 15 -6.7° 2.2° -26° (1905) 22° (1921) 0.06" NA
Feb 16 -6.7° 2.8° -25° (1885) 16° (1911) 0.06" NA
Feb 17 -6.7° 2.8° -25° (1903) 18° (1890) 0.06" NA
Feb 18 -6.1° 3.3° -26° (1936) 17° (1994) 0.06" NA
Feb 19 -6.1° 3.3° -24° (1979) 22° (1930) 0.06" NA
Feb 20 -6.1° 3.3° -25° (1885) 19° (1930) 0.06" NA
Feb 21 -5.6° 3.9° -23° (1885) 21° (1930) 0.07" NA
Feb 22 -5.6° 3.9° -25° (1885) 22° (1922) 0.07" NA
Feb 23 -5.6° 4.4° -23° (1910) 18° (1930) 0.07" NA
Feb 24 -5° 4.4° -21° (1989) 22° (1930) 0.07" NA
Feb 25 -5° -23° (1967) 21° (2000) 0.07" NA
Feb 26 -4.4° -25° (1963) 22° (1996) 0.07" NA
Feb 27 -4.4° 5.6° -23° (1934) 22° (1976) 0.07" NA
Feb 28 -4.4° 5.6° -19° (1962) 20° (1895) 0.07" NA
Feb 29 -4.4° 5.6° -17° (1960) 21° (1972) 0.07" NA
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