Thomas, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 12° 29° -27° (1985) 73° (1942) 1.29" 9.9"
February 17° 34° -26° (1905) 70° (2000) 1.64" 7.7"
March 28° 47° -13° (1962) 87° (1986) 2.15" 3.3"
April 39° 61° 6° (1982) 93° (1986) 3.18" 0.6"
May 50° 72° 24° (2005) 105° (1934) 4.36" 0"
June 59° 81° 37° (1945) 106° (1934) 4.56" 0"
July 63° 84° 44° (1904) 111° (1936) 3.85" 0"
August 61° 82° 36° (1923) 105° (1936) 4.44" 0"
September 52° 75° 24° (1942) 101° (1953) 3.12" 0"
October 40° 63° 10° (1925) 92° (1963) 2.89" 0.1"
November 30° 48° -8° (1977) 81° (1950) 2.44" 1.4"
December 17° 34° -23° (1924) 68° (1998) 1.96" 9.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 55° 77° 38° (1993) 106° (1934) 0.16" 0"
Jun 2 55° 77° 42° (1910) 105° (1934) 0.14" 0"
Jun 3 56° 77° 39° (1929) 100° (1934) 0.15" 0"
Jun 4 56° 78° 39° (1945) 98° (1934) 0.16" 0"
Jun 5 56° 78° 37° (1945) 95° (1933) 0.15" 0"
Jun 6 57° 78° 42° (2000) 98° (1933) 0.15" 0"
Jun 7 57° 78° 42° (1910) 99° (1933) 0.15" 0"
Jun 8 57° 79° 37° (1913) 97° (1934) 0.14" 0"
Jun 9 58° 79° 37° (1913) 98° (1911) 0.15" 0"
Jun 10 58° 79° 38° (1913) 100° (1933) 0.16" 0"
Jun 11 58° 80° 39° (1972) 100° (1933) 0.15" 0"
Jun 12 59° 80° 39° (1903) 95° (1956) 0.15" 0"
Jun 13 59° 80° 43° (1985) 100° (1987) 0.15" 0"
Jun 14 59° 81° 42° (1933) 98° (1987) 0.16" 0"
Jun 15 59° 81° 42° (1942) 94° (1952) 0.16" 0"
Jun 16 60° 81° 42° (1914) 98° (1918) 0.15" 0"
Jun 17 60° 81° 44° (1959) 97° (1933) 0.16" 0"
Jun 18 60° 82° 47° (1920) 96° (1933) 0.15" 0"
Jun 19 61° 82° 48° (1920) 100° (1953) 0.16" 0"
Jun 20 61° 82° 41° (1914) 100° (1933) 0.15" 0"
Jun 21 61° 82° 40° (1963) 101° (1988) 0.15" 0"
Jun 22 61° 83° 44° (1902) 99° (1910) 0.15" 0"
Jun 23 62° 83° 42° (1972) 99° (1910) 0.15" 0"
Jun 24 62° 83° 45° (1979) 102° (1937) 0.16" 0"
Jun 25 62° 83° 47° (1961) 101° (1931) 0.15" 0"
Jun 26 62° 83° 45° (1926) 102° (1931) 0.16" 0"
Jun 27 62° 83° 44° (1905) 104° (1931) 0.15" 0"
Jun 28 62° 84° 47° (1925) 103° (1931) 0.15" 0"
Jun 29 63° 84° 50° (1914) 105° (1931) 0.14" 0"
Jun 30 63° 84° 45° (1943) 105° (1931) 0.15" 0"
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