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
Jan 1 38° 54° 21° (1979) 68° (1996) 0.07" NA
Jan 2 38° 54° 18° (1961) 68° (1996) 0.07" NA
Jan 3 38° 54° 23° (1976) 63° (1996) 0.07" NA
Jan 4 38° 54° 22° (1993) 65° (1981) 0.07" NA
Jan 5 38° 54° 23° (1960) 64° (2003) 0.07" NA
Jan 6 38° 54° 26° (1970) 65° (1966) 0.08" NA
Jan 7 38° 54° 21° (1973) 65° (1956) 0.08" NA
Jan 8 38° 54° 27° (1982) 65° (1962) 0.08" NA
Jan 9 38° 54° 26° (1964) 62° (1978) 0.08" NA
Jan 10 38° 54° 25° (1957) 65° (1995) 0.08" NA
Jan 11 38° 55° 28° (1962) 67° (1959) 0.08" NA
Jan 12 38° 55° 20° (1963) 68° (1980) 0.08" NA
Jan 13 38° 55° 18° (1963) 65° (1980) 0.08" NA
Jan 14 38° 55° 21° (1963) 68° (1980) 0.09" NA
Jan 15 38° 55° 21° (1963) 64° (1968) 0.09" NA
Jan 16 38° 55° 23° (1962) 66° (1967) 0.09" NA
Jan 17 38° 55° 24° (1963) 70° (1986) 0.09" NA
Jan 18 39° 56° 23° (1966) 66° (1974) 0.09" NA
Jan 19 39° 56° 26° (1963) 68° (1986) 0.09" NA
Jan 20 39° 56° 24° (1963) 70° (1991) 0.09" NA
Jan 21 39° 56° 22° (1987) 67° (1976) 0.09" NA
Jan 22 39° 56° 25° (1962) 70° (1968) 0.09" NA
Jan 23 39° 57° 26° (1962) 68° (1989) 0.09" NA
Jan 24 39° 57° 20° (1962) 70° (1976) 0.09" NA
Jan 25 39° 57° 23° (1962) 66° (1969) 0.09" NA
Jan 26 39° 57° 26° (1962) 65° (1984) 0.09" NA
Jan 27 39° 58° 29° (1957) 64° (1960) 0.09" NA
Jan 28 39° 58° 28° (1966) 66° (1997) 0.09" NA
Jan 29 39° 58° 29° (1979) 66° (1958) 0.09" NA
Jan 30 40° 58° 25° (1991) 70° (1976) 0.09" NA
Jan 31 40° 59° 26° (1962) 69° (1963) 0.09" NA
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