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
Jan 1 -9.4° -0.6° -26° (1968) 17° (1897) 0.06" NA
Jan 2 -9.4° -0.6° -29° (1887) 18° (2004) 0.06" NA
Jan 3 -9.4° -0.6° -26° (1979) 16° (1998) 0.06" NA
Jan 4 -9.4° -0.6° -27° (1884) 18° (1997) 0.05" NA
Jan 5 -10° -0.6° -33° (1884) 16° (1890) 0.05" NA
Jan 6 -10° -0.6° -29° (1884) 16° (1907) 0.05" NA
Jan 7 -10° -0.6° -29° (1887) 18° (1907) 0.05" NA
Jan 8 -10° -1.1° -25° (1970) 16° (1965) 0.05" NA
Jan 9 -10° -1.1° -26° (1883) 16° (1939) 0.05" NA
Jan 10 -10° -1.1° -28° (1982) 15° (1975) 0.05" NA
Jan 11 -10° -1.1° -28° (1918) 17° (1890) 0.05" NA
Jan 12 -10° -1.1° -29° (1918) 19° (1890) 0.05" NA
Jan 13 -10° -1.1° -27° (1916) 16° (1932) 0.05" NA
Jan 14 -10° -1.1° -28° (1979) 18° (1928) 0.05" NA
Jan 15 -10° -1.1° -30° (1979) 17° (1949) 0.05" NA
Jan 16 -10° -1.1° -29° (1977) 17° (1990) 0.05" NA
Jan 17 -10° -1.1° -32° (1977) 19° (1894) 0.05" NA
Jan 18 -10° -1.1° -28° (1930) 15° (1951) 0.04" NA
Jan 19 -10° -1.1° -29° (1994) 17° (1952) 0.04" NA
Jan 20 -10° -1.1° -30° (1985) 18° (1906) 0.04" NA
Jan 21 -10° -0.6° -28° (1883) 17° (1957) 0.04" NA
Jan 22 -10° -0.6° -30° (1883) 17° (1967) 0.04" NA
Jan 23 -10° -0.6° -29° (1936) 22° (1909) 0.04" NA
Jan 24 -10° -0.6° -25° (1915) 20° (1950) 0.04" NA
Jan 25 -10° -0.6° -27° (1894) 20° (1950) 0.04" NA
Jan 26 -10° -0.6° -24° (1936) 16° (2002) 0.05" NA
Jan 27 -9.4° -0.6° -26° (1955) 17° (1944) 0.05" NA
Jan 28 -9.4° -30° (1885) 17° (1914) 0.05" NA
Jan 29 -9.4° -26° (1966) 16° (1914) 0.05" NA
Jan 30 -9.4° -24° (1966) 13° (1988) 0.05" NA
Jan 31 -9.4° -25° (1996) 21° (1989) 0.05" NA
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