Blair, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 23° 39° -25° (1904) 75° (1943) 3.08" 2.5"
February 26° 45° -25° (1982) 79° (1972) 2.68" 1.6"
March 35° 56° -14° (1978) 89° (1929) 3.78" 1.1"
April 45° 68° 18° (1990) 97° (1989) 4.01" 0"
May 54° 76° 29° (1976) 96° (1914) 5.23" 0"
June 63° 85° 38° (1992) 105° (1936) 4.24" 0"
July 66° 88° 44° (1988) 111° (1936) 3.92" 0"
August 64° 87° 39° (1986) 109° (1930) 3.43" 0"
September 56° 80° 27° (1942) 108° (1953) 3.05" 0"
October 45° 69° 6° (1946) 97° (1910) 3.64" 0.1"
November 36° 56° -2° (1929) 86° (1950) 4.26" 0.4"
December 26° 42° -21° (1989) 73° (1998) 3.34" 2.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 61° 85° 44° (1967) 108° (1953) 0.1" 0"
Sep 2 61° 85° 45° (1919) 104° (1953) 0.1" 0"
Sep 3 61° 85° 42° (1908) 104° (1913) 0.11" 0"
Sep 4 61° 84° 42° (1974) 103° (1954) 0.1" 0"
Sep 5 60° 84° 43° (1997) 104° (1925) 0.1" 0"
Sep 6 60° 84° 40° (1988) 107° (1925) 0.1" 0"
Sep 7 60° 84° 38° (1988) 102° (1925) 0.11" 0"
Sep 8 59° 83° 37° (1986) 100° (1925) 0.1" 0"
Sep 9 59° 83° 42° (1986) 104° (1925) 0.1" 0"
Sep 10 58° 83° 37° (1924) 100° (1933) 0.1" 0"
Sep 11 58° 82° 42° (1940) 99° (1908) 0.11" 0"
Sep 12 58° 82° 41° (1968) 99° (1936) 0.1" 0"
Sep 13 57° 82° 37° (1902) 100° (1936) 0.11" 0"
Sep 14 57° 81° 35° (1902) 99° (1939) 0.1" 0"
Sep 15 56° 81° 30° (1902) 99° (1927) 0.11" 0"
Sep 16 56° 80° 38° (1966) 98° (1927) 0.1" 0"
Sep 17 56° 80° 36° (1937) 99° (1927) 0.1" 0"
Sep 18 55° 80° 35° (1901) 100° (1925) 0.09" 0"
Sep 19 55° 79° 33° (1901) 100° (1925) 0.1" 0"
Sep 20 54° 79° 32° (1991) 96° (1908) 0.09" 0"
Sep 21 54° 78° 34° (1962) 97° (1955) 0.1" 0"
Sep 22 53° 78° 33° (1983) 96° (1936) 0.1" 0"
Sep 23 53° 78° 29° (1995) 99° (2007) 0.1" 0"
Sep 24 53° 77° 30° (1983) 94° (2007) 0.1" 0"
Sep 25 52° 77° 34° (1950) 95° (1908) 0.11" 0"
Sep 26 52° 76° 31° (1928) 93° (1908) 0.1" 0"
Sep 27 51° 76° 33° (1942) 91° (1911) 0.1" 0"
Sep 28 51° 75° 27° (1942) 96° (1953) 0.1" 0"
Sep 29 50° 75° 30° (1942) 101° (1953) 0.1" 0"
Sep 30 50° 75° 33° (1963) 93° (1952) 0.11" 0"
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