Penngrove, California
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 39° 58° 20° (1963) 85° (1962) 5.41" 0"
February 41° 63° 18° (1989) 81° (1986) 5.31" 0"
March 42° 65° 26° (1966) 87° (2004) 3.85" 0"
April 44° 70° 24° (1998) 97° (1981) 1.4" 0"
May 47° 74° 27° (1985) 101° (1976) 0.62" 0"
June 50° 79° 33° (1982) 110° (1961) 0.15" 0"
July 52° 83° 35° (2007) 110° (1972) 0.05" 0"
August 52° 83° 36° (1987) 105° (1968) 0.08" 0"
September 52° 82° 37° (1985) 109° (1971) 0.29" 0"
October 48° 77° 25° (1948) 106° (1980) 1.37" 0"
November 42° 66° 23° (1993) 89° (1967) 3.52" 0"
December 38° 58° 19° (1972) 81° (1967) 3.8" 0"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 52° 83° 46° (1955) 105° (1950) 0" NA
Sep 2 52° 83° 39° (1965) 107° (1955) 0" NA
Sep 3 52° 83° 43° (1984) 108° (1955) 0" NA
Sep 4 52° 83° 39° (1948) 100° (1975) 0" NA
Sep 5 52° 83° 37° (1948) 101° (1958) 0.01" NA
Sep 6 52° 83° 45° (1960) 102° (1958) 0.01" NA
Sep 7 52° 83° 43° (1960) 105° (1957) 0.01" NA
Sep 8 52° 83° 45° (1994) 103° (1984) 0.01" NA
Sep 9 52° 83° 43° (1957) 103° (1984) 0.01" NA
Sep 10 52° 83° 45° (1964) 100° (1979) 0.01" NA
Sep 11 52° 83° 43° (1985) 104° (1979) 0.01" NA
Sep 12 52° 83° 37° (1985) 108° (1979) 0.01" NA
Sep 13 52° 82° 39° (1970) 109° (1971) 0.01" NA
Sep 14 52° 82° 39° (1970) 109° (1971) 0.01" NA
Sep 15 52° 82° 41° (1970) 109° (1971) 0.01" NA
Sep 16 52° 82° 44° (1970) 100° (1968) 0.01" NA
Sep 17 52° 82° 44° (1954) 101° (1984) 0.01" NA
Sep 18 52° 82° 39° (1965) 99° (1984) 0.01" NA
Sep 19 51° 82° 39° (1965) 100° (1964) 0.01" NA
Sep 20 51° 82° 42° (1962) 100° (1967) 0.01" NA
Sep 21 51° 82° 42° (1960) 102° (1949) 0.01" NA
Sep 22 51° 82° 43° (1956) 103° (1949) 0.01" NA
Sep 23 51° 82° 42° (1962) 99° (1964) 0.01" NA
Sep 24 51° 82° 41° (1958) 104° (1964) 0.01" NA
Sep 25 51° 81° 40° (1984) 101° (1960) 0.01" NA
Sep 26 51° 81° 42° (1984) 102° (1963) 0.01" NA
Sep 27 51° 81° 42° (1964) 101° (1958) 0.01" NA
Sep 28 50° 81° 41° (1986) 100° (1966) 0.02" NA
Sep 29 50° 81° 40° (1955) 100° (1966) 0.02" NA
Sep 30 50° 81° 39° (1950) 103° (1980) 0.02" NA
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