Altona, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 13° 29° -23° (1985) 67° (1909) 1.52" 7.9"
February 19° 35° -28° (1905) 70° (1932) 1.54" 6.7"
March 29° 47° -12° (1962) 86° (1910) 2.79" 4.8"
April 39° 61° 9° (1920) 93° (1930) 3.93" 1.8"
May 51° 72° 22° (2005) 105° (1934) 3.94" 0"
June 60° 82° 36° (1913) 105° (1934) 4.39" 0"
July 64° 85° 44° (1947) 111° (1936) 3.98" 0"
August 62° 83° 38° (1915) 105° (1936) 4.32" 0"
September 53° 76° 25° (1942) 101° (1953) 3.57" 0"
October 42° 64° 9° (1925) 94° (1909) 2.73" 0.3"
November 30° 48° -7° (1977) 83° (1950) 2.91" 2.1"
December 18° 34° -26° (1924) 69° (1998) 2.27" 5.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 23° 40° -12° (1962) 66° (1972) 0.07" NA
Mar 2 24° 41° -10° (1913) 71° (1992) 0.07" NA
Mar 3 24° 41° -5° (1943) 73° (1992) 0.07" NA
Mar 4 25° 42° -6° (1978) 74° (1974) 0.07" NA
Mar 5 25° 42° -7° (1960) 70° (1992) 0.07" NA
Mar 6 25° 43° -9° (1960) 73° (1910) 0.07" NA
Mar 7 26° 43° -10° (1943) 73° (1925) 0.08" NA
Mar 8 26° 44° -7° (1943) 78° (2000) 0.08" NA
Mar 9 26° 44° 0° (1996) 78° (2000) 0.08" NA
Mar 10 27° 45° 1° (1984) 75° (1955) 0.08" NA
Mar 11 27° 45° -4° (1948) 69° (1955) 0.08" NA
Mar 12 27° 46° -8° (1948) 76° (1972) 0.08" NA
Mar 13 28° 46° 3° (1926) 78° (1990) 0.08" NA
Mar 14 28° 47° 4° (1993) 76° (1995) 0.09" NA
Mar 15 28° 47° 7° (1906) 74° (1995) 0.09" NA
Mar 16 29° 47° 6° (1923) 82° (1945) 0.09" NA
Mar 17 29° 48° -1° (1906) 79° (1945) 0.09" NA
Mar 18 29° 48° 0° (1906) 75° (1903) 0.09" NA
Mar 19 30° 49° -8° (1923) 75° (1921) 0.09" NA
Mar 20 30° 49° 1° (1906) 77° (1921) 0.1" NA
Mar 21 31° 50° 3° (1906) 79° (1938) 0.1" NA
Mar 22 31° 50° 8° (1912) 84° (1907) 0.1" NA
Mar 23 31° 51° 8° (1960) 82° (1939) 0.1" NA
Mar 24 32° 51° 2° (1974) 86° (1910) 0.1" NA
Mar 25 32° 52° 2° (1960) 81° (1910) 0.1" NA
Mar 26 32° 52° 5° (1955) 81° (1910) 0.11" NA
Mar 27 32° 52° 9° (1965) 82° (1945) 0.11" NA
Mar 28 33° 53° 10° (1970) 81° (1910) 0.11" NA
Mar 29 33° 53° 9° (1970) 82° (1910) 0.11" NA
Mar 30 33° 54° 11° (1964) 85° (1986) 0.11" NA
Mar 31 34° 54° 9° (1969) 82° (1986) 0.12" NA
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