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
Mar 1 -3.9° 5.6° -22° (1962) 23° (1992) 0.07" NA
Mar 2 -3.9° 6.1° -21° (1913) 23° (1992) 0.08" NA
Mar 3 -3.9° 6.1° -18° (2002) 26° (1974) 0.08" NA
Mar 4 -3.3° 6.7° -21° (1978) 25° (1961) 0.08" NA
Mar 5 -3.3° 6.7° -22° (1960) 21° (1946) 0.08" NA
Mar 6 -2.8° 7.2° -23° (1960) 24° (1956) 0.08" NA
Mar 7 -2.8° 7.2° -19° (1943) 26° (2000) 0.08" NA
Mar 8 -2.8° 7.8° -24° (1943) 26° (2000) 0.08" NA
Mar 9 -2.2° 7.8° -16° (1982) 22° (1918) 0.08" NA
Mar 10 -2.2° 8.3° -18° (1934) 25° (1955) 0.09" NA
Mar 11 -1.7° 8.3° -16° (1948) 26° (1972) 0.09" NA
Mar 12 -1.7° 8.9° -20° (1948) 27° (1990) 0.09" NA
Mar 13 -1.7° 8.9° -14° (1926) 26° (2007) 0.09" NA
Mar 14 -1.1° 9.4° -14° (1993) 24° (1995) 0.09" NA
Mar 15 -1.1° 9.4° -12° (1890) 25° (1935) 0.09" NA
Mar 16 -1.1° 10° -16° (1900) 27° (1945) 0.09" NA
Mar 17 -0.6° 10° -15° (1906) 27° (1894) 0.09" NA
Mar 18 -0.6° 10° -17° (1923) 26° (1903) 0.09" NA
Mar 19 -0.6° 10.6° -19° (1923) 26° (1921) 0.09" NA
Mar 20 10.6° -14° (1965) 26° (1921) 0.1" NA
Mar 21 11.1° -13° (1960) 31° (1907) 0.1" NA
Mar 22 11.1° -14° (1888) 28° (1907) 0.1" NA
Mar 23 0.6° 11.7° -12° (1960) 29° (1910) 0.1" NA
Mar 24 0.6° 11.7° -14° (1974) 27° (1929) 0.1" NA
Mar 25 0.6° 11.7° -15° (1960) 27° (1907) 0.1" NA
Mar 26 1.1° 12.2° -15° (1955) 28° (1991) 0.1" NA
Mar 27 1.1° 12.2° -11° (1965) 27° (1945) 0.1" NA
Mar 28 1.1° 12.8° -11° (1887) 28° (1985) 0.1" NA
Mar 29 1.7° 12.8° -11° (1887) 30° (1986) 0.1" NA
Mar 30 1.7° 13.3° -9° (1969) 28° (1986) 0.11" NA
Mar 31 1.7° 13.3° -11° (1923) 29° (1986) 0.11" NA
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