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
Oct 1 51° 70° 31° (1974) 86° (2002) 0.08" NA
Oct 2 51° 70° 25° (1974) 90° (1953) 0.08" NA
Oct 3 50° 70° 30° (1974) 91° (2006) 0.08" NA
Oct 4 50° 69° 31° (2003) 91° (2006) 0.08" NA
Oct 5 50° 69° 36° (1964) 86° (2007) 0.08" NA
Oct 6 49° 69° 25° (1952) 87° (1963) 0.08" NA
Oct 7 49° 68° 29° (2000) 87° (2007) 0.08" NA
Oct 8 48° 68° 29° (2000) 85° (1949) 0.08" NA
Oct 9 48° 67° 30° (2000) 80° (1949) 0.08" NA
Oct 10 48° 67° 29° (1964) 83° (1962) 0.08" NA
Oct 11 47° 66° 27° (1987) 83° (1962) 0.08" NA
Oct 12 47° 66° 30° (1988) 82° (1956) 0.08" NA
Oct 13 46° 65° 30° (1979) 83° (1975) 0.08" NA
Oct 14 46° 65° 31° (1983) 82° (1968) 0.08" NA
Oct 15 46° 64° 29° (1991) 85° (1953) 0.08" NA
Oct 16 45° 64° 29° (1976) 83° (1950) 0.08" NA
Oct 17 45° 63° 28° (1976) 83° (1956) 0.08" NA
Oct 18 44° 63° 26° (1972) 83° (1950) 0.08" NA
Oct 19 44° 62° 24° (1972) 80° (1971) 0.08" NA
Oct 20 43° 62° 24° (1952) 84° (1953) 0.07" NA
Oct 21 43° 61° 28° (1952) 80° (1953) 0.07" NA
Oct 22 43° 61° 26° (1976) 80° (1963) 0.08" NA
Oct 23 42° 60° 25° (1981) 82° (1963) 0.08" NA
Oct 24 42° 60° 25° (1981) 80° (1963) 0.08" NA
Oct 25 41° 59° 24° (2006) 77° (1963) 0.08" NA
Oct 26 41° 59° 26° (1962) 82° (1963) 0.08" NA
Oct 27 41° 58° 25° (1969) 77° (1974) 0.08" NA
Oct 28 40° 58° 25° (1969) 76° (1948) 0.08" NA
Oct 29 40° 57° 18° (1952) 78° (2004) 0.08" NA
Oct 30 39° 56° 20° (1988) 79° (1971) 0.08" NA
Oct 31 39° 56° 24° (1949) 80° (1950) 0.08" NA
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