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
Jan 1 14° 29° -14° (1968) 52° (2007) 0.05" NA
Jan 2 14° 29° -18° (1979) 57° (2004) 0.05" NA
Jan 3 14° 29° -9° (1979) 60° (2000) 0.05" NA
Jan 4 14° 29° -11° (1959) 63° (1997) 0.04" NA
Jan 5 13° 29° -17° (1999) 54° (1956) 0.04" NA
Jan 6 13° 29° -18° (1999) 50° (1961) 0.04" NA
Jan 7 13° 29° -13° (1968) 50° (1949) 0.04" NA
Jan 8 13° 29° -14° (1970) 62° (2003) 0.04" NA
Jan 9 13° 29° -18° (1982) 56° (2002) 0.04" NA
Jan 10 13° 29° -23° (1982) 56° (1975) 0.04" NA
Jan 11 13° 29° -14° (1977) 52° (1980) 0.04" NA
Jan 12 13° 28° -18° (1974) 57° (1960) 0.04" NA
Jan 13 13° 28° -8° (1963) 56° (1960) 0.04" NA
Jan 14 13° 28° -18° (1957) 57° (1952) 0.04" NA
Jan 15 12° 28° -20° (1994) 56° (1952) 0.04" NA
Jan 16 12° 28° -20° (1977) 57° (1990) 0.03" NA
Jan 17 12° 29° -16° (1977) 56° (1996) 0.03" NA
Jan 18 13° 29° -20° (1994) 55° (1972) 0.03" NA
Jan 19 13° 29° -20° (1994) 54° (1951) 0.03" NA
Jan 20 13° 29° -23° (1985) 50° (1967) 0.03" NA
Jan 21 13° 29° -23° (1985) 60° (1957) 0.03" NA
Jan 22 13° 29° -12° (1970) 57° (1957) 0.03" NA
Jan 23 13° 29° -18° (1963) 55° (2002) 0.03" NA
Jan 24 13° 29° -11° (1963) 63° (1950) 0.03" NA
Jan 25 13° 29° -10° (1982) 61° (1967) 0.03" NA
Jan 26 13° 29° -15° (1982) 55° (2002) 0.03" NA
Jan 27 14° 30° -12° (1955) 63° (2002) 0.03" NA
Jan 28 14° 30° -18° (1977) 58° (2002) 0.03" NA
Jan 29 14° 30° -19° (1966) 52° (1988) 0.03" NA
Jan 30 14° 30° -15° (1951) 56° (1988) 0.04" NA
Jan 31 14° 30° -22° (1996) 60° (1989) 0.04" NA
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