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
Jun 1 58° 78° 45° (1983) 92° (1988) 0.15" NA
Jun 2 59° 79° 46° (1956) 89° (1948) 0.15" NA
Jun 3 59° 79° 44° (1969) 92° (1972) 0.15" NA
Jun 4 59° 79° 45° (1950) 90° (1963) 0.16" NA
Jun 5 60° 79° 43° (1993) 90° (1971) 0.16" NA
Jun 6 60° 80° 43° (1993) 92° (1952) 0.16" NA
Jun 7 60° 80° 49° (1983) 94° (1963) 0.16" NA
Jun 8 60° 80° 46° (1949) 92° (1963) 0.16" NA
Jun 9 61° 81° 42° (1978) 95° (1999) 0.16" NA
Jun 10 61° 81° 44° (1972) 93° (1968) 0.16" NA
Jun 11 61° 81° 44° (1972) 92° (1956) 0.16" NA
Jun 12 61° 81° 51° (1974) 100° (1987) 0.17" NA
Jun 13 62° 82° 48° (1955) 95° (1987) 0.17" NA
Jun 14 62° 82° 52° (1955) 99° (1987) 0.17" NA
Jun 15 62° 82° 50° (1969) 92° (1973) 0.17" NA
Jun 16 62° 82° 50° (1980) 93° (1987) 0.16" NA
Jun 17 63° 83° 49° (1950) 95° (1987) 0.16" NA
Jun 18 63° 83° 49° (1950) 95° (1954) 0.16" NA
Jun 19 63° 83° 50° (1982) 96° (1971) 0.16" NA
Jun 20 63° 83° 45° (2003) 100° (1988) 0.16" NA
Jun 21 64° 83° 47° (1992) 97° (1988) 0.16" NA
Jun 22 64° 83° 44° (1972) 93° (1988) 0.16" NA
Jun 23 64° 84° 48° (1972) 94° (1997) 0.16" NA
Jun 24 64° 84° 44° (1972) 95° (2002) 0.15" NA
Jun 25 65° 84° 50° (2004) 100° (1988) 0.15" NA
Jun 26 65° 84° 50° (1986) 97° (1998) 0.15" NA
Jun 27 65° 84° 51° (1992) 97° (1998) 0.15" NA
Jun 28 65° 84° 50° (1979) 95° (1988) 0.14" NA
Jun 29 65° 84° 53° (1989) 96° (1991) 0.14" NA
Jun 30 66° 85° 50° (1988) 97° (1991) 0.14" NA
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