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
Apr 1 36° 54° 25° (1954) 79° (2003) 0.1" NA
Apr 2 36° 55° 20° (1993) 82° (1981) 0.1" NA
Apr 3 36° 55° 14° (1975) 75° (1956) 0.1" NA
Apr 4 37° 55° 11° (1975) 79° (2005) 0.1" NA
Apr 5 37° 56° 18° (1979) 79° (1988) 0.1" NA
Apr 6 38° 56° 11° (1982) 80° (1991) 0.1" NA
Apr 7 38° 57° 12° (1982) 78° (1978) 0.1" NA
Apr 8 38° 57° 20° (1972) 78° (1991) 0.1" NA
Apr 9 39° 58° 19° (1997) 78° (1978) 0.1" NA
Apr 10 39° 58° 23° (1960) 79° (1977) 0.11" NA
Apr 11 39° 59° 25° (1982) 80° (1977) 0.11" NA
Apr 12 40° 59° 22° (1957) 82° (1971) 0.11" NA
Apr 13 40° 59° 21° (1950) 83° (2006) 0.11" NA
Apr 14 41° 60° 25° (1950) 83° (2003) 0.11" NA
Apr 15 41° 60° 26° (1962) 85° (2003) 0.11" NA
Apr 16 41° 61° 23° (1949) 87° (2004) 0.11" NA
Apr 17 42° 61° 24° (1983) 86° (2002) 0.11" NA
Apr 18 42° 62° 23° (1983) 88° (1977) 0.11" NA
Apr 19 43° 62° 25° (1983) 87° (2002) 0.11" NA
Apr 20 43° 62° 28° (1953) 85° (1971) 0.11" NA
Apr 21 43° 63° 28° (1983) 82° (1980) 0.11" NA
Apr 22 44° 63° 26° (1986) 88° (1980) 0.11" NA
Apr 23 44° 64° 25° (1956) 82° (1960) 0.11" NA
Apr 24 44° 64° 27° (1956) 83° (1990) 0.11" NA
Apr 25 45° 64° 33° (1988) 86° (1986) 0.11" NA
Apr 26 45° 65° 34° (1950) 86° (1962) 0.11" NA
Apr 27 46° 65° 31° (1992) 86° (1962) 0.11" NA
Apr 28 46° 66° 31° (1950) 87° (1970) 0.11" NA
Apr 29 46° 66° 27° (1958) 87° (1952) 0.11" NA
Apr 30 47° 66° 32° (1956) 85° (1952) 0.11" NA
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