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
Jun 1 13.3° 25.6° 4° (1993) 41° (1934) 0.13" NA
Jun 2 13.9° 26.1° 7° (1929) 38° (1934) 0.13" NA
Jun 3 13.9° 26.1° 4° (1969) 38° (1934) 0.13" NA
Jun 4 13.9° 26.1° 4° (1945) 36° (1899) 0.13" NA
Jun 5 13.9° 26.7° 5° (1993) 37° (1977) 0.13" NA
Jun 6 14.4° 26.7° 7° (2000) 36° (1934) 0.13" NA
Jun 7 14.4° 26.7° 6° (1910) 37° (1933) 0.13" NA
Jun 8 14.4° 27.2° 4° (1913) 36° (1934) 0.13" NA
Jun 9 15° 27.2° 4° (1913) 38° (1911) 0.13" NA
Jun 10 15° 27.2° 6° (1988) 38° (1911) 0.13" NA
Jun 11 15° 27.2° 5° (1972) 37° (1933) 0.13" NA
Jun 12 15° 27.8° 7° (1903) 37° (1894) 0.13" NA
Jun 13 15.6° 27.8° 7° (1985) 37° (1894) 0.12" NA
Jun 14 15.6° 27.8° 7° (1942) 37° (1987) 0.12" NA
Jun 15 15.6° 27.8° 6° (1917) 37° (1894) 0.12" NA
Jun 16 15.6° 28.3° 4° (1917) 38° (1918) 0.12" NA
Jun 17 16.1° 28.3° 8° (1974) 38° (1887) 0.12" NA
Jun 18 16.1° 28.3° 9° (1999) 38° (1887) 0.12" NA
Jun 19 16.1° 28.3° 9° (1914) 38° (1971) 0.13" NA
Jun 20 16.1° 28.3° 8° (1980) 38° (1934) 0.13" NA
Jun 21 16.7° 28.9° 6° (1992) 37° (1988) 0.13" NA
Jun 22 16.7° 28.9° 9° (1992) 36° (1988) 0.13" NA
Jun 23 16.7° 28.9° 8° (1972) 37° (1930) 0.13" NA
Jun 24 16.7° 28.9° 7° (1972) 37° (1937) 0.13" NA
Jun 25 16.7° 28.9° 9° (1979) 41° (1988) 0.13" NA
Jun 26 17.2° 28.9° 9° (1926) 39° (1934) 0.13" NA
Jun 27 17.2° 29.4° 8° (1905) 40° (1934) 0.13" NA
Jun 28 17.2° 29.4° 9° (1968) 40° (1934) 0.13" NA
Jun 29 17.2° 29.4° 7° (1923) 41° (1936) 0.13" NA
Jun 30 17.2° 29.4° 8° (1943) 39° (1931) 0.13" NA
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