Mount Wilson, California
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 36° 53° 9° (1969) 77° (2003) 7.96" NA
February 36° 53° 11° (1962) 80° (1985) 9.53" NA
March 36° 55° 14° (1966) 83° (2007) 8.38" NA
April 41° 61° 18° (1999) 86° (1989) 2.34" NA
May 47° 68° 22° (1964) 92° (2001) 0.97" NA
June 57° 77° 29° (1950) 97° (1994) 0.26" NA
July 63° 82° 38° (1987) 102° (2007) 0.08" NA
August 63° 82° 37° (1959) 99° (2007) 0.29" NA
September 58° 77° 34° (1952) 98° (1950) 1.01" NA
October 51° 68° 18° (1971) 93° (1980) 1.54" NA
November 41° 60° 15° (1975) 82° (1985) 3.23" NA
December 37° 54° 10° (1990) 78° (1958) 4.78" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Apr 1 38° 58° 22° (1956) 80° (1966) 0.16" NA
Apr 2 38° 58° 20° (1963) 81° (1966) 0.15" NA
Apr 3 38° 58° 25° (1964) 82° (1961) 0.15" NA
Apr 4 39° 58° 21° (1999) 80° (1961) 0.14" NA
Apr 5 39° 58° 22° (1967) 82° (1989) 0.13" NA
Apr 6 39° 59° 19° (1975) 86° (1989) 0.12" NA
Apr 7 39° 59° 19° (1975) 83° (1989) 0.11" NA
Apr 8 39° 59° 21° (1953) 78° (1989) 0.11" NA
Apr 9 39° 59° 18° (1999) 81° (1989) 0.1" NA
Apr 10 40° 59° 19° (1965) 85° (1989) 0.1" NA
Apr 11 40° 60° 19° (1965) 79° (1989) 0.09" NA
Apr 12 40° 60° 20° (1967) 78° (1985) 0.08" NA
Apr 13 40° 60° 22° (1983) 83° (1985) 0.08" NA
Apr 14 40° 60° 22° (1970) 77° (2002) 0.07" NA
Apr 15 40° 61° 24° (1998) 75° (1954) 0.07" NA
Apr 16 41° 61° 19° (1976) 77° (1954) 0.06" NA
Apr 17 41° 61° 22° (1963) 80° (1989) 0.06" NA
Apr 18 41° 61° 22° (1971) 80° (1989) 0.06" NA
Apr 19 41° 61° 21° (1967) 78° (1999) 0.05" NA
Apr 20 41° 62° 21° (1967) 80° (1958) 0.05" NA
Apr 21 42° 62° 18° (1963) 82° (1958) 0.05" NA
Apr 22 42° 62° 24° (1967) 80° (1949) 0.04" NA
Apr 23 42° 62° 23° (1967) 84° (1949) 0.04" NA
Apr 24 42° 63° 21° (1964) 81° (1996) 0.04" NA
Apr 25 42° 63° 23° (1971) 83° (1996) 0.04" NA
Apr 26 43° 63° 23° (1975) 84° (2004) 0.04" NA
Apr 27 43° 63° 25° (1970) 85° (2004) 0.04" NA
Apr 28 43° 63° 21° (1970) 83° (2007) 0.04" NA
Apr 29 43° 64° 21° (1967) 83° (2007) 0.04" NA
Apr 30 43° 64° 24° (1951) 81° (1993) 0.03" NA
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