Thomasboro, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 14° 33° -27° (1985) 68° (1950) 1.72" NA
February 19° 38° -19° (1996) 72° (2000) 1.78" NA
March 29° 50° -13° (1980) 85° (1986) 3.06" NA
April 39° 63° 10° (1982) 90° (1986) 3.64" NA
May 50° 75° 26° (2002) 97° (1991) 4.21" NA
June 60° 84° 38° (1993) 104° (1988) 3.88" NA
July 64° 87° 43° (2001) 109° (1954) 4.39" NA
August 61° 85° 38° (1986) 102° (1988) 4.35" NA
September 53° 79° 29° (2001) 101° (1953) 2.95" NA
October 41° 67° 21° (2000) 93° (2007) 2.91" NA
November 31° 51° -5° (1950) 81° (1968) 3.17" NA
December 20° 38° -22° (1989) 70° (1998) 2.69" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 56° 80° 38° (1993) 95° (1988) 0.13" NA
Jun 2 57° 81° 43° (1966) 94° (1991) 0.13" NA
Jun 3 57° 81° 39° (1969) 96° (1972) 0.13" NA
Jun 4 57° 81° 43° (2001) 94° (1972) 0.13" NA
Jun 5 58° 82° 43° (1951) 94° (2002) 0.13" NA
Jun 6 58° 82° 40° (2000) 94° (1971) 0.13" NA
Jun 7 58° 82° 41° (1977) 98° (1999) 0.13" NA
Jun 8 59° 83° 42° (1977) 96° (1958) 0.13" NA
Jun 9 59° 83° 42° (1977) 95° (1999) 0.13" NA
Jun 10 59° 83° 44° (1972) 95° (1968) 0.13" NA
Jun 11 59° 84° 42° (1972) 95° (1954) 0.13" NA
Jun 12 60° 84° 47° (1985) 94° (1956) 0.13" NA
Jun 13 60° 84° 42° (1985) 95° (1952) 0.13" NA
Jun 14 60° 84° 47° (2002) 96° (1954) 0.13" NA
Jun 15 60° 85° 49° (1961) 101° (1987) 0.12" NA
Jun 16 61° 85° 45° (1969) 97° (1994) 0.12" NA
Jun 17 61° 85° 45° (1972) 97° (2007) 0.13" NA
Jun 18 61° 85° 44° (1999) 98° (1987) 0.13" NA
Jun 19 61° 85° 50° (1965) 101° (1953) 0.13" NA
Jun 20 61° 86° 46° (1980) 104° (1953) 0.13" NA
Jun 21 62° 86° 40° (1992) 100° (1988) 0.13" NA
Jun 22 62° 86° 44° (1992) 99° (1988) 0.13" NA
Jun 23 62° 86° 48° (1972) 96° (2002) 0.13" NA
Jun 24 62° 86° 45° (1972) 97° (1953) 0.13" NA
Jun 25 62° 86° 47° (2004) 104° (1988) 0.13" NA
Jun 26 62° 86° 47° (2004) 101° (1954) 0.13" NA
Jun 27 63° 87° 48° (1987) 98° (1998) 0.13" NA
Jun 28 63° 87° 51° (1987) 100° (1952) 0.13" NA
Jun 29 63° 87° 41° (1988) 100° (1952) 0.13" NA
Jun 30 63° 87° 50° (1982) 99° (1991) 0.13" NA
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