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
Aug 1 58° 97° 51° (1950) 109° (1987) 0" 0"
Aug 2 58° 97° 49° (1950) 107° (1997) 0" 0"
Aug 3 58° 97° 49° (1985) 109° (1998) 0" 0"
Aug 4 58° 97° 47° (1953) 110° (1998) 0" 0"
Aug 5 58° 97° 44° (1950) 114° (1997) 0.01" 0"
Aug 6 57° 97° 42° (1950) 108° (1997) 0" 0"
Aug 7 57° 97° 44° (1950) 111° (1970) 0" 0"
Aug 8 57° 97° 47° (1950) 106° (1965) 0" 0"
Aug 9 57° 97° 50° (1951) 108° (1996) 0" 0"
Aug 10 57° 97° 50° (1999) 106° (2004) 0" 0"
Aug 11 57° 97° 44° (1950) 109° (1990) 0.01" 0"
Aug 12 57° 97° 46° (1949) 109° (1990) 0" 0"
Aug 13 57° 97° 48° (1950) 110° (1983) 0" 0"
Aug 14 57° 97° 48° (1952) 108° (1996) 0" 0"
Aug 15 57° 97° 46° (1954) 108° (1977) 0" 0"
Aug 16 57° 97° 43° (1954) 109° (1992) 0" 0"
Aug 17 57° 97° 46° (1949) 109° (1992) 0.01" 0"
Aug 18 57° 97° 48° (1954) 109° (1992) 0" 0"
Aug 19 57° 97° 50° (1999) 109° (1992) 0" 0"
Aug 20 57° 97° 48° (1954) 109° (1982) 0" 0"
Aug 21 57° 97° 47° (1998) 110° (1969) 0" 0"
Aug 22 57° 97° 48° (1954) 108° (1972) 0" 0"
Aug 23 57° 97° 47° (1987) 112° (1985) 0.01" 0"
Aug 24 57° 97° 45° (1949) 116° (1985) 0" 0"
Aug 25 57° 97° 45° (1949) 115° (1985) 0" 0"
Aug 26 57° 97° 45° (1995) 112° (1985) 0" 0"
Aug 27 57° 96° 44° (1953) 111° (1981) 0" 0"
Aug 28 57° 96° 47° (1963) 109° (1981) 0.01" 0"
Aug 29 57° 96° 49° (1953) 112° (1976) 0" 0"
Aug 30 57° 96° 45° (1953) 112° (1998) 0" 0"
Aug 31 57° 96° 47° (1951) 111° (1998) 0" 0"
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