Mattoon, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 17° 33° -23° (1985) 70° (1950) 2.03" 5.6"
February 21° 39° -17° (1996) 74° (2000) 2.08" 4.5"
March 32° 50° -8° (1960) 85° (1981) 3.06" 2.5"
April 42° 62° 17° (1987) 89° (1987) 3.84" 0.1"
May 53° 73° 28° (1966) 95° (1987) 3.95" 0"
June 63° 83° 41° (1992) 105° (1954) 4.21" 0"
July 66° 86° 48° (1962) 111° (1954) 4.16" 0"
August 64° 84° 40° (1986) 104° (1988) 3.25" 0"
September 56° 78° 33° (1983) 103° (1954) 3.06" 0"
October 45° 66° 19° (1962) 92° (1954) 3.02" 0"
November 33° 51° -2° (1950) 82° (1950) 3.71" 1.1"
December 22° 38° -20° (1989) 71° (1998) 2.84" 4.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 59° 79° 43° (1993) 96° (1988) 0.13" NA
Jun 2 59° 79° 43° (1956) 94° (1951) 0.14" NA
Jun 3 60° 80° 43° (1956) 91° (1948) 0.14" NA
Jun 4 60° 80° 46° (1950) 93° (1960) 0.14" NA
Jun 5 60° 80° 43° (1951) 98° (1977) 0.14" NA
Jun 6 61° 81° 46° (1958) 92° (1952) 0.14" NA
Jun 7 61° 81° 46° (1977) 94° (1952) 0.14" NA
Jun 8 61° 81° 47° (2000) 95° (1953) 0.14" NA
Jun 9 61° 82° 45° (1977) 95° (1963) 0.14" NA
Jun 10 62° 82° 45° (1972) 96° (1953) 0.14" NA
Jun 11 62° 82° 43° (1972) 96° (1954) 0.14" NA
Jun 12 62° 82° 46° (1985) 97° (1953) 0.14" NA
Jun 13 62° 83° 47° (1985) 99° (1987) 0.14" NA
Jun 14 63° 83° 44° (1955) 100° (1987) 0.14" NA
Jun 15 63° 83° 50° (1955) 100° (1987) 0.14" NA
Jun 16 63° 83° 44° (1961) 94° (1953) 0.14" NA
Jun 17 63° 83° 46° (1972) 96° (1992) 0.14" NA
Jun 18 64° 84° 48° (1999) 96° (1994) 0.14" NA
Jun 19 64° 84° 52° (1985) 101° (1953) 0.14" NA
Jun 20 64° 84° 46° (1980) 102° (1953) 0.14" NA
Jun 21 64° 84° 41° (1992) 100° (1988) 0.14" NA
Jun 22 64° 84° 43° (1992) 99° (1988) 0.14" NA
Jun 23 64° 85° 44° (1972) 96° (1953) 0.14" NA
Jun 24 65° 85° 46° (1972) 100° (1988) 0.14" NA
Jun 25 65° 85° 47° (1986) 103° (1988) 0.14" NA
Jun 26 65° 85° 50° (1958) 105° (1954) 0.15" NA
Jun 27 65° 85° 52° (1968) 99° (1952) 0.15" NA
Jun 28 65° 85° 52° (1992) 101° (1952) 0.14" NA
Jun 29 65° 85° 53° (1989) 101° (1952) 0.14" NA
Jun 30 65° 85° 51° (1950) 96° (1959) 0.14" NA
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