Discovery Bay, California
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 39° 56° 18° (1963) 70° (1991) 2.61" 0"
February 41° 62° 23° (1989) 77° (1977) 2.31" 0"
March 45° 67° 25° (1971) 88° (1988) 1.97" 0"
April 48° 74° 31° (1967) 97° (1996) 0.73" 0"
May 53° 80° 34° (1968) 105° (1984) 0.45" 0"
June 57° 87° 37° (1988) 112° (1961) 0.1" 0"
July 60° 92° 44° (1966) 112° (1972) 0.04" 0"
August 60° 92° 42° (1956) 111° (1971) 0.06" 0"
September 58° 88° 40° (1968) 109° (1988) 0.25" 0"
October 53° 79° 30° (1971) 102° (1980) 0.72" 0"
November 45° 65° 24° (1993) 85° (1955) 1.61" 0"
December 38° 56° 17° (1990) 74° (1977) 1.66" 0"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 60° 90° 40° (1968) 109° (1988) 0" NA
Sep 2 59° 90° 52° (1964) 107° (1955) 0" NA
Sep 3 59° 90° 50° (1964) 109° (1955) 0" NA
Sep 4 59° 90° 52° (1956) 105° (1955) 0" NA
Sep 5 59° 90° 48° (1996) 109° (1988) 0" NA
Sep 6 59° 90° 50° (1965) 105° (1958) 0.01" NA
Sep 7 59° 90° 47° (1996) 107° (1957) 0.01" NA
Sep 8 59° 89° 50° (1966) 106° (1957) 0.01" NA
Sep 9 59° 89° 50° (1985) 101° (1984) 0.01" NA
Sep 10 59° 89° 47° (1968) 102° (1992) 0.01" NA
Sep 11 59° 89° 44° (1968) 102° (1960) 0.01" NA
Sep 12 59° 89° 45° (1968) 104° (1979) 0.01" NA
Sep 13 59° 89° 40° (1968) 106° (1971) 0.01" NA
Sep 14 59° 89° 41° (1968) 106° (1979) 0.01" NA
Sep 15 59° 88° 41° (1968) 104° (1971) 0.01" NA
Sep 16 59° 88° 51° (1970) 104° (1971) 0.01" NA
Sep 17 58° 88° 47° (1995) 98° (1971) 0.01" NA
Sep 18 58° 88° 41° (1968) 99° (1984) 0.01" NA
Sep 19 58° 88° 46° (1968) 102° (1958) 0.01" NA
Sep 20 58° 87° 40° (1968) 101° (2000) 0.01" NA
Sep 21 58° 87° 42° (1968) 100° (1990) 0.01" NA
Sep 22 58° 87° 49° (1978) 98° (2003) 0.01" NA
Sep 23 58° 87° 47° (1960) 99° (2003) 0.01" NA
Sep 24 57° 86° 50° (1968) 98° (1991) 0.01" NA
Sep 25 57° 86° 45° (1972) 97° (1978) 0.01" NA
Sep 26 57° 86° 48° (1965) 96° (1963) 0.01" NA
Sep 27 57° 86° 50° (1970) 99° (1963) 0.01" NA
Sep 28 57° 85° 44° (1996) 98° (1992) 0.01" NA
Sep 29 57° 85° 45° (1995) 100° (1966) 0.01" NA
Sep 30 56° 85° 45° (1965) 97° (1958) 0.01" NA
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