Byron Hills, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 13° 29° -23° (1985) 63° (2002) 1.13" 6.5"
February 19° 35° -28° (1996) 68° (1976) 1.28" 4"
March 30° 47° -14° (1960) 83° (1986) 2.37" 3.8"
April 41° 60° 11° (1982) 88° (1980) 3.21" 0.9"
May 53° 72° 28° (2005) 93° (2006) 3.76" 0"
June 62° 82° 42° (1978) 100° (1988) 4.71" 0"
July 67° 85° 48° (1971) 102° (1995) 3.51" 0"
August 65° 83° 43° (1986) 103° (1983) 4.31" 0"
September 57° 76° 32° (1984) 97° (1990) 2.96" 0"
October 45° 64° 18° (1952) 91° (2006) 2.46" 0.2"
November 32° 47° -4° (1976) 78° (2000) 2.39" 0.4"
December 20° 34° -21° (1983) 69° (1998) 2.02" 4.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 67° 85° 54° (1973) 101° (1987) 0.13" NA
Aug 2 67° 85° 51° (1985) 99° (1991) 0.13" NA
Aug 3 67° 85° 52° (1976) 98° (1988) 0.13" NA
Aug 4 67° 85° 47° (1978) 96° (1988) 0.13" NA
Aug 5 67° 85° 51° (1994) 92° (1989) 0.13" NA
Aug 6 66° 85° 54° (1990) 95° (1984) 0.14" NA
Aug 7 66° 85° 51° (1989) 97° (1988) 0.14" NA
Aug 8 66° 84° 52° (1976) 98° (1988) 0.14" NA
Aug 9 66° 84° 51° (1953) 94° (1984) 0.14" NA
Aug 10 66° 84° 53° (1982) 94° (1983) 0.14" NA
Aug 11 66° 84° 51° (2004) 94° (1988) 0.14" NA
Aug 12 66° 84° 50° (1982) 94° (1975) 0.14" NA
Aug 13 65° 84° 49° (2004) 93° (1995) 0.14" NA
Aug 14 65° 84° 48° (2004) 97° (1978) 0.15" NA
Aug 15 65° 84° 50° (1980) 101° (1988) 0.15" NA
Aug 16 65° 83° 52° (1976) 100° (1988) 0.15" NA
Aug 17 65° 83° 56° (1977) 103° (1983) 0.15" NA
Aug 18 65° 83° 50° (1977) 101° (1988) 0.15" NA
Aug 19 64° 83° 54° (1967) 100° (1983) 0.15" NA
Aug 20 64° 83° 46° (1950) 101° (1983) 0.14" NA
Aug 21 64° 82° 50° (1956) 94° (1983) 0.14" NA
Aug 22 64° 82° 52° (2004) 97° (1962) 0.14" NA
Aug 23 63° 82° 51° (1966) 95° (1968) 0.14" NA
Aug 24 63° 82° 51° (1984) 95° (1959) 0.14" NA
Aug 25 63° 82° 49° (1958) 97° (2003) 0.14" NA
Aug 26 63° 81° 54° (1988) 97° (1973) 0.14" NA
Aug 27 63° 81° 48° (1986) 95° (1973) 0.14" NA
Aug 28 62° 81° 43° (1986) 93° (1955) 0.13" NA
Aug 29 62° 81° 50° (1974) 95° (1948) 0.13" NA
Aug 30 62° 80° 54° (1986) 100° (1953) 0.13" NA
Aug 31 62° 80° 47° (1967) 97° (1953) 0.13" NA
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