Lake Zurich, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 13° 28° -26° (1985) 62° (1967) 1.9" 11.6"
February 17° 33° -21° (1977) 69° (2000) 1.97" 7.3"
March 26° 44° -9° (2002) 83° (1986) 2.29" 3.8"
April 38° 57° 5° (1982) 89° (1980) 3.56" 0.7"
May 48° 68° 22° (1966) 93° (1975) 4.24" 0"
June 58° 78° 35° (1993) 102° (1971) 3.85" 0"
July 63° 82° 38° (1965) 103° (1974) 3.78" 0"
August 61° 79° 38° (1986) 100° (1991) 4.86" 0"
September 52° 72° 25° (1964) 96° (1978) 3.4" 0"
October 41° 60° 14° (1988) 88° (1971) 3.1" 0.1"
November 30° 47° -10° (1976) 75° (1968) 3.04" 1.4"
December 18° 33° -20° (1983) 66° (1982) 2.26" 10"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 59° 77° 46° (1992) 89° (1966) 0.12" 0"
Sep 2 58° 77° 43° (1976) 91° (1984) 0.12" 0"
Sep 3 58° 77° 38° (1974) 90° (1964) 0.11" 0"
Sep 4 58° 77° 42° (1974) 90° (1971) 0.11" 0"
Sep 5 57° 76° 40° (1974) 90° (1983) 0.12" 0"
Sep 6 57° 76° 39° (1988) 88° (1983) 0.11" 0"
Sep 7 56° 76° 36° (1986) 93° (1971) 0.11" 0"
Sep 8 56° 75° 38° (1986) 96° (1971) 0.1" 0"
Sep 9 56° 75° 40° (1975) 96° (1978) 0.12" 0"
Sep 10 55° 75° 42° (1969) 94° (1991) 0.1" 0"
Sep 11 55° 74° 42° (1977) 91° (1983) 0.11" 0"
Sep 12 54° 74° 39° (1964) 89° (1978) 0.1" 0"
Sep 13 54° 74° 33° (1964) 87° (2005) 0.11" 0"
Sep 14 53° 73° 36° (1963) 89° (2005) 0.11" 0"
Sep 15 53° 73° 36° (2007) 88° (1991) 0.12" 0"
Sep 16 52° 72° 35° (1984) 89° (1991) 0.11" 0"
Sep 17 52° 72° 41° (1984) 85° (1965) 0.11" 0"
Sep 18 51° 71° 37° (1973) 91° (1988) 0.11" 0"
Sep 19 51° 71° 39° (1991) 89° (1985) 0.12" 0"
Sep 20 50° 71° 33° (1991) 88° (1978) 0.12" 0"
Sep 21 50° 70° 33° (1991) 85° (1978) 0.12" 0"
Sep 22 49° 70° 31° (1974) 84° (1980) 0.12" 0"
Sep 23 49° 69° 26° (1974) 87° (1986) 0.12" 0"
Sep 24 48° 69° 29° (1976) 84° (2010) 0.12" 0"
Sep 25 48° 68° 34° (1976) 86° (2007) 0.12" 0"
Sep 26 47° 68° 33° (1966) 87° (1986) 0.12" 0"
Sep 27 47° 67° 28° (1991) 83° (1987) 0.12" 0"
Sep 28 47° 67° 28° (1964) 86° (2008) 0.11" 0"
Sep 29 46° 67° 25° (1964) 83° (1979) 0.1" 0"
Sep 30 46° 66° 30° (1984) 88° (1971) 0.11" 0"
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