Mattoon, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 20° 35° -23° (1985) 70° (1950) 2.26" 5.8"
February 24° 40° -17° (1996) 74° (2000) 2.22" 3"
March 33° 52° -8° (1960) 85° (1981) 2.71" 1.4"
April 44° 64° 17° (1987) 89° (1987) 4.01" 0.1"
May 54° 75° 28° (1966) 95° (1987) 4.17" 0"
June 63° 84° 41° (1992) 105° (1954) 4.11" 0"
July 67° 87° 48° (1962) 111° (1954) 4.22" 0"
August 65° 85° 40° (1986) 104° (1988) 2.89" 0"
September 57° 79° 33° (1983) 103° (1954) 3.22" 0"
October 46° 66° 19° (1962) 92° (1954) 3.56" 0"
November 35° 52° -2° (1950) 82° (1950) 3.85" 0.4"
December 24° 38° -20° (1989) 71° (1998) 2.96" 3.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 59° 80° 43° (1993) 96° (1988) 0.14" 0"
Jun 2 59° 80° 43° (1956) 94° (1951) 0.13" 0"
Jun 3 60° 80° 43° (1956) 91° (1948) 0.13" 0"
Jun 4 60° 81° 46° (1950) 93° (1960) 0.14" 0"
Jun 5 61° 81° 43° (1951) 98° (1977) 0.13" 0"
Jun 6 61° 81° 46° (1958) 92° (1952) 0.14" 0"
Jun 7 61° 81° 46° (1977) 94° (1952) 0.14" 0"
Jun 8 62° 82° 47° (2000) 95° (1953) 0.14" 0"
Jun 9 62° 82° 45° (1977) 95° (1963) 0.14" 0"
Jun 10 62° 82° 45° (1972) 96° (1953) 0.14" 0"
Jun 11 62° 83° 43° (1972) 96° (1954) 0.13" 0"
Jun 12 63° 83° 46° (1985) 97° (1953) 0.14" 0"
Jun 13 63° 83° 47° (1985) 99° (1987) 0.14" 0"
Jun 14 63° 84° 44° (1955) 100° (1987) 0.14" 0"
Jun 15 64° 84° 50° (1955) 100° (1987) 0.14" 0"
Jun 16 64° 84° 44° (1961) 94° (1953) 0.13" 0"
Jun 17 64° 84° 46° (1972) 96° (1992) 0.14" 0"
Jun 18 64° 85° 48° (1999) 96° (1994) 0.13" 0"
Jun 19 65° 85° 52° (1985) 101° (1953) 0.14" 0"
Jun 20 65° 85° 46° (1980) 102° (1953) 0.13" 0"
Jun 21 65° 85° 41° (1992) 100° (1988) 0.14" 0"
Jun 22 65° 85° 43° (1992) 99° (1988) 0.14" 0"
Jun 23 66° 86° 44° (1972) 96° (1953) 0.13" 0"
Jun 24 66° 86° 46° (1972) 100° (1988) 0.14" 0"
Jun 25 66° 86° 47° (1986) 103° (1988) 0.13" 0"
Jun 26 66° 86° 50° (1958) 105° (1954) 0.14" 0"
Jun 27 66° 86° 52° (1968) 99° (1952) 0.14" 0"
Jun 28 66° 86° 52° (1992) 101° (1952) 0.14" 0"
Jun 29 66° 87° 53° (1989) 101° (1952) 0.14" 0"
Jun 30 67° 87° 51° (1950) 96° (1959) 0.14" 0"
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