Bel Marin Keyes, California
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 42° 54° 26° (1949) 82° (1962) 6.95" 0"
February 44° 59° 26° (1989) 80° (1964) 7.32" 0"
March 45° 63° 24° (1977) 88° (1952) 4.59" 0"
April 47° 67° 29° (1976) 92° (1996) 1.91" 0"
May 50° 71° 31° (1976) 100° (1976) 0.89" 0"
June 53° 76° 40° (1976) 110° (1961) 0.14" 0"
July 55° 80° 34° (1975) 109° (1972) 0" 0"
August 55° 80° 41° (1996) 105° (1998) 0.05" 0"
September 54° 79° 40° (1985) 109° (1958) 0.21" 0"
October 51° 73° 34° (1974) 106° (1980) 1.49" 0"
November 46° 62° 30° (1974) 88° (1980) 4.31" 0"
December 42° 54° 20° (1990) 79° (1967) 7.59" 0"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 49° 69° 38° (1997) 100° (1976) 0.04" 0"
May 2 49° 69° 38° (1976) 91° (1966) 0.03" 0"
May 3 49° 69° 37° (1976) 91° (1966) 0.04" 0"
May 4 49° 69° 31° (1965) 91° (1990) 0.04" 0"
May 5 49° 69° 40° (1973) 90° (1969) 0.03" 0"
May 6 49° 69° 41° (1968) 96° (1987) 0.03" 0"
May 7 49° 70° 41° (1961) 95° (1987) 0.04" 0"
May 8 49° 70° 37° (1980) 96° (1987) 0.03" 0"
May 9 49° 70° 41° (1964) 85° (1992) 0.03" 0"
May 10 49° 70° 40° (1993) 90° (2001) 0.03" 0"
May 11 50° 70° 41° (1978) 89° (1972) 0.03" 0"
May 12 50° 70° 38° (1962) 100° (1976) 0.03" 0"
May 13 50° 70° 42° (1985) 100° (1976) 0.04" 0"
May 14 50° 70° 41° (1961) 94° (1972) 0.03" 0"
May 15 50° 71° 39° (1966) 97° (2008) 0.03" 0"
May 16 50° 71° 40° (1976) 99° (2008) 0.03" 0"
May 17 50° 71° 35° (1976) 98° (1997) 0.03" 0"
May 18 50° 71° 40° (1996) 95° (2009) 0.03" 0"
May 19 50° 71° 37° (1976) 95° (1955) 0.03" 0"
May 20 51° 71° 41° (1976) 96° (1955) 0.03" 0"
May 21 51° 71° 41° (1964) 98° (2000) 0.02" 0"
May 22 51° 72° 31° (1976) 95° (2000) 0.03" 0"
May 23 51° 72° 40° (1977) 93° (1952) 0.02" 0"
May 24 51° 72° 36° (1980) 92° (1970) 0.03" 0"
May 25 51° 72° 41° (1953) 97° (1951) 0.02" 0"
May 26 51° 72° 41° (1953) 98° (1974) 0.02" 0"
May 27 51° 72° 40° (1977) 98° (1984) 0.03" 0"
May 28 51° 72° 40° (1977) 96° (1975) 0.02" 0"
May 29 52° 73° 44° (1976) 100° (1950) 0.02" 0"
May 30 52° 73° 44° (1951) 99° (2001) 0.01" 0"
May 31 52° 73° 46° (1952) 97° (2001) 0.02" 0"
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