Round Lake Park, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 15° 30° -26° (1994) 62° (1989) 1.99" 15.1"
February 18° 34° -24° (1996) 69° (2000) 1.83" 9.2"
March 27° 45° -7° (2002) 78° (1998) 2.55" 5.2"
April 38° 58° 16° (1995) 87° (2002) 3.79" 1.3"
May 47° 69° 28° (1989) 90° (1996) 3.88" 0.1"
June 57° 78° 37° (2003) 101° (1988) 3.86" 0"
July 63° 83° 46° (2001) 102° (1995) 4.03" 0"
August 62° 81° 48° (1994) 100° (1988) 3.65" 0"
September 54° 73° 32° (1995) 93° (1990) 3.21" 0"
October 42° 60° 20° (1988) 85° (1997) 2.83" 0.2"
November 31° 47° 5° (1989) 74° (1999) 2.83" 3.2"
December 19° 34° -18° (1989) 67° (2001) 2.39" 9.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Nov 1 37° 54° 24° (1996) 73° (1990) 0.1" 0"
Nov 2 37° 53° 16° (1991) 73° (1990) 0.1" 0.1"
Nov 3 37° 53° 15° (1991) 74° (1987) 0.1" 0"
Nov 4 36° 53° 11° (1991) 67° (2003) 0.1" 0"
Nov 5 36° 52° 17° (1991) 62° (1999) 0.1" 0.1"
Nov 6 36° 52° 13° (1991) 65° (2004) 0.1" 0"
Nov 7 35° 51° 7° (1991) 65° (2001) 0.1" 0.1"
Nov 8 35° 51° 10° (1991) 73° (1999) 0.1" 0"
Nov 9 34° 50° 15° (1991) 74° (1999) 0.09" 0.1"
Nov 10 34° 50° 20° (1991) 70° (1999) 0.1" 0.1"
Nov 11 33° 49° 14° (1995) 57° (2001) 0.09" 0"
Nov 12 33° 49° 14° (1996) 60° (1999) 0.09" 0.1"
Nov 13 33° 48° 15° (1996) 70° (1989) 0.1" 0.1"
Nov 14 32° 48° 13° (1996) 64° (1990) 0.11" 0"
Nov 15 32° 47° 18° (1995) 68° (1990) 0.1" 0.1"
Nov 16 31° 47° 14° (1997) 63° (1988) 0.1" 0.1"
Nov 17 31° 46° 11° (1989) 66° (2001) 0.09" 0.1"
Nov 18 30° 46° 13° (1989) 69° (1999) 0.1" 0.1"
Nov 19 30° 45° 20° (1996) 65° (1991) 0.09" 0.2"
Nov 20 29° 45° 17° (2000) 64° (2003) 0.09" 0.1"
Nov 21 29° 44° 13° (2000) 64° (1990) 0.08" 0.1"
Nov 22 28° 44° 14° (1989) 62° (1999) 0.09" 0.2"
Nov 23 28° 43° 5° (1989) 63° (2003) 0.09" 0.1"
Nov 24 27° 43° 9° (1989) 61° (2001) 0.09" 0.2"
Nov 25 27° 42° 13° (1991) 56° (1988) 0.09" 0.2"
Nov 26 26° 42° 9° (1991) 67° (1990) 0.09" 0.2"
Nov 27 26° 41° 11° (1996) 68° (1998) 0.08" 0.2"
Nov 28 25° 41° 11° (1995) 66° (1998) 0.1" 0.2"
Nov 29 25° 40° 8° (1995) 65° (1998) 0.08" 0.2"
Nov 30 25° 40° 14° (2002) 63° (1998) 0.09" 0.2"
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