Alta, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -8° -32.8° (1884) 21.7° (1909) 1.78" 6.9"
February -6° -32.2° (1905) 23.3° (1932) 1.87" 6.2"
March -1° 10° -23.9° (1943) 31.1° (1907) 2.8" 2.7"
April 17° -10.6° (1982) 33.3° (1986) 3.63" 0.6"
May 11° 23° -3.9° (1966) 40° (1934) 4.33" 0"
June 16° 28° 3.9° (1993) 40.6° (1988) 3.53" 0"
July 19° 30° 7.8° (1911) 45° (1936) 3.85" 0"
August 18° 29° 5° (1986) 41.1° (1936) 3.24" 0"
September 13° 25° -4.4° (1942) 40° (1899) 3.15" 0"
October 18° -13.9° (1925) 33.9° (2006) 2.84" 0"
November 10° -18.9° (1977) 27.2° (1950) 3.13" 1.1"
December -6° -31.1° (1924) 21.7° (1982) 2.42" 7.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Apr 1 14° -18° (1899) 28° (1946) 0.11" 0"
Apr 2 14° -18° (1899) 29° (1940) 0.12" 0.1"
Apr 3 15° -18° (1975) 28° (1978) 0.11" 0"
Apr 4 15° -18° (1975) 30° (1929) 0.11" 0.1"
Apr 5 15° -18° (1920) 29° (1929) 0.12" 0"
Apr 6 15° -18° (1982) 29° (1929) 0.11" 0"
Apr 7 15° -18° (1982) 31° (1893) 0.12" 0.1"
Apr 8 16° -18° (1972) 29° (1931) 0.11" 0"
Apr 9 16° -18° (1997) 29° (1887) 0.12" 0"
Apr 10 16° -18° (1960) 33° (1930) 0.12" 0.1"
Apr 11 16° -18° (1982) 33° (1930) 0.12" 0"
Apr 12 17° -18° (1957) 32° (1930) 0.12" 0"
Apr 13 17° -18° (1950) 32° (1887) 0.12" 0"
Apr 14 17° -18° (1943) 29° (2003) 0.11" 0.1"
Apr 15 17° -18° (1928) 31° (2002) 0.12" 0"
Apr 16 17° -18° (1962) 31° (2002) 0.13" 0"
Apr 17 18° -18° (1907) 31° (1894) 0.12" 0"
Apr 18 18° -18° (1983) 33° (2002) 0.12" 0"
Apr 19 18° -18° (1983) 29° (1985) 0.12" 0.1"
Apr 20 18° -18° (1897) 32° (1987) 0.13" 0"
Apr 21 18° -18° (1943) 29° (1985) 0.12" 0"
Apr 22 19° -18° (1986) 31° (1980) 0.12" 0"
Apr 23 19° -18° (1910) 31° (1886) 0.12" 0"
Apr 24 19° -18° (1910) 29° (1990) 0.13" 0"
Apr 25 19° -18° (1934) 33° (1986) 0.13" 0"
Apr 26 19° -18° (1919) 32° (1986) 0.13" 0"
Apr 27 20° -18° (1932) 30° (1986) 0.13" 0"
Apr 28 20° -18° (1928) 33° (1894) 0.12" 0"
Apr 29 20° -18° (1958) 33° (1899) 0.14" 0"
Apr 30 20° -18° (1908) 32° (1901) 0.13" 0"
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