Winnetka, California
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 39° 69° 19° (1950) 93° (1975) 3.62" 0"
February 41° 70° 18° (1989) 94° (1986) 4.81" 0"
March 42° 73° 26° (1966) 101° (1988) 2.86" 0"
April 45° 78° 30° (1999) 105° (1989) 1.02" 0"
May 49° 83° 33° (1950) 113° (1984) 0.31" 0"
June 53° 88° 36° (1950) 113° (1990) 0.07" 0"
July 57° 95° 42° (1952) 115° (1985) 0.02" 0"
August 57° 97° 42° (1950) 116° (1985) 0.05" 0"
September 55° 93° 38° (1954) 115° (1979) 0.14" 0"
October 49° 84° 27° (1971) 110° (1980) 0.93" 0"
November 43° 75° 23° (1958) 99° (1975) 1.34" 0"
December 38° 68° 20° (1990) 96° (1958) 2.76" 0"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Apr 1 43° 76° 32° (1951) 98° (1966) 0.05" 0"
Apr 2 43° 76° 31° (1982) 97° (1961) 0.06" 0"
Apr 3 43° 76° 35° (1954) 104° (1961) 0.05" 0"
Apr 4 43° 76° 32° (1998) 96° (1989) 0.05" 0"
Apr 5 43° 76° 33° (1967) 102° (1989) 0.05" 0"
Apr 6 43° 76° 34° (1955) 105° (1989) 0.04" 0"
Apr 7 44° 77° 32° (1975) 105° (1989) 0.05" 0"
Apr 8 44° 77° 32° (1998) 102° (1989) 0.05" 0"
Apr 9 44° 77° 30° (1953) 94° (1989) 0.03" 0"
Apr 10 44° 77° 30° (1999) 94° (1988) 0.04" 0"
Apr 11 44° 77° 33° (1965) 94° (1988) 0.03" 0"
Apr 12 44° 77° 33° (1965) 96° (1990) 0.03" 0"
Apr 13 44° 77° 32° (1983) 102° (1985) 0.03" 0"
Apr 14 45° 78° 31° (1998) 96° (1964) 0.03" 0"
Apr 15 45° 78° 32° (1998) 101° (1987) 0.03" 0"
Apr 16 45° 78° 32° (1998) 98° (1987) 0.03" 0"
Apr 17 45° 78° 33° (1976) 97° (1954) 0.03" 0"
Apr 18 45° 78° 33° (1968) 96° (1999) 0.03" 0"
Apr 19 45° 78° 34° (1967) 95° (1999) 0.03" 0"
Apr 20 46° 78° 33° (1972) 99° (1958) 0.02" 0"
Apr 21 46° 79° 35° (1963) 97° (1958) 0.03" 0"
Apr 22 46° 79° 35° (1970) 96° (1987) 0.03" 0"
Apr 23 46° 79° 36° (1970) 96° (1996) 0.03" 0"
Apr 24 46° 79° 32° (1963) 97° (1996) 0.02" 0"
Apr 25 46° 79° 36° (1967) 100° (2004) 0.03" 0"
Apr 26 47° 79° 37° (1964) 104° (2004) 0.03" 0"
Apr 27 47° 80° 37° (1955) 103° (2004) 0.02" 0"
Apr 28 47° 80° 35° (1984) 100° (2004) 0.03" 0"
Apr 29 47° 80° 35° (1970) 101° (1959) 0.02" 0"
Apr 30 47° 80° 34° (1970) 100° (1996) 0.02" 0"
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