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
Jan 1 39° 68° 24° (1954) 85° (1964) 0.12" 0"
Jan 2 39° 68° 22° (1960) 82° (1969) 0.13" 0"
Jan 3 39° 68° 24° (1960) 84° (1994) 0.12" 0"
Jan 4 39° 69° 20° (1950) 87° (2003) 0.13" 0"
Jan 5 39° 69° 22° (1950) 84° (2003) 0.12" 0"
Jan 6 39° 69° 22° (1950) 86° (2006) 0.13" 0"
Jan 7 39° 69° 19° (1950) 89° (1962) 0.12" 0"
Jan 8 39° 69° 27° (1982) 88° (1962) 0.13" 0"
Jan 9 39° 69° 26° (1951) 88° (1990) 0.12" 0"
Jan 10 39° 69° 25° (1954) 85° (1953) 0.13" 0"
Jan 11 39° 69° 25° (1954) 83° (1983) 0.13" 0"
Jan 12 39° 69° 27° (1950) 85° (1983) 0.12" 0"
Jan 13 39° 69° 25° (1950) 88° (1975) 0.12" 0"
Jan 14 39° 69° 20° (1963) 93° (1975) 0.12" 0"
Jan 15 39° 69° 26° (1963) 91° (1975) 0.12" 0"
Jan 16 39° 69° 27° (1963) 85° (1961) 0.13" 0"
Jan 17 40° 69° 27° (1963) 92° (1976) 0.12" 0"
Jan 18 40° 69° 27° (1987) 88° (1971) 0.11" 0"
Jan 19 40° 69° 28° (1957) 88° (1971) 0.11" 0"
Jan 20 40° 69° 26° (1963) 84° (1971) 0.12" 0"
Jan 21 40° 69° 28° (1955) 84° (1950) 0.11" 0"
Jan 22 40° 69° 27° (1966) 85° (1976) 0.11" 0"
Jan 23 40° 69° 25° (1996) 82° (1951) 0.1" 0"
Jan 24 40° 69° 26° (1996) 85° (1951) 0.11" 0"
Jan 25 40° 69° 27° (1950) 88° (1951) 0.1" 0"
Jan 26 40° 69° 21° (1950) 86° (1987) 0.1" 0"
Jan 27 40° 69° 22° (1950) 86° (1986) 0.11" 0"
Jan 28 40° 69° 25° (1957) 86° (1976) 0.09" 0"
Jan 29 40° 69° 23° (1979) 88° (1984) 0.11" 0"
Jan 30 40° 69° 27° (1968) 87° (1971) 0.11" 0"
Jan 31 40° 69° 25° (2002) 92° (2003) 0.12" 0"
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