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
Apr 1 32° 51° 17° (1964) 83° (1986) 0.1" 0"
Apr 2 33° 51° 16° (1987) 81° (2010) 0.1" 0.1"
Apr 3 33° 52° 22° (1987) 79° (1963) 0.11" 0"
Apr 4 33° 52° 16° (1982) 73° (1981) 0.1" 0.1"
Apr 5 34° 53° 13° (1982) 73° (2010) 0.1" 0"
Apr 6 34° 53° 9° (1979) 83° (1988) 0.11" 0"
Apr 7 34° 54° 5° (1982) 83° (1991) 0.11" 0.1"
Apr 8 35° 54° 11° (1982) 81° (2001) 0.11" 0"
Apr 9 35° 55° 22° (1974) 77° (2001) 0.12" 0"
Apr 10 36° 55° 18° (1989) 72° (1969) 0.12" 0.1"
Apr 11 36° 55° 21° (1989) 82° (1977) 0.12" 0"
Apr 12 36° 56° 22° (1976) 84° (1971) 0.12" 0"
Apr 13 37° 56° 21° (1989) 82° (1977) 0.12" 0"
Apr 14 37° 57° 27° (1963) 77° (1977) 0.12" 0.1"
Apr 15 38° 57° 29° (1978) 83° (2003) 0.12" 0"
Apr 16 38° 58° 25° (1980) 87° (2002) 0.13" 0"
Apr 17 38° 58° 25° (1983) 86° (2002) 0.12" 0"
Apr 18 39° 59° 24° (1983) 85° (2002) 0.13" 0.1"
Apr 19 39° 59° 20° (1983) 88° (2002) 0.12" 0"
Apr 20 39° 60° 28° (1983) 85° (1987) 0.12" 0"
Apr 21 40° 60° 25° (1988) 84° (1985) 0.12" 0"
Apr 22 40° 61° 24° (1978) 85° (1985) 0.12" 0"
Apr 23 40° 61° 25° (1984) 89° (1980) 0.12" 0.1"
Apr 24 41° 61° 27° (1969) 80° (1990) 0.12" 0"
Apr 25 41° 62° 30° (1971) 87° (1990) 0.12" 0"
Apr 26 42° 62° 27° (1976) 87° (1990) 0.13" 0"
Apr 27 42° 62° 27° (1976) 88° (1986) 0.13" 0"
Apr 28 42° 63° 27° (1976) 86° (1986) 0.13" 0"
Apr 29 43° 63° 25° (1977) 80° (1987) 0.13" 0"
Apr 30 43° 64° 29° (1969) 89° (1970) 0.14" 0"
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