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
May 1 45° 72° 36° (1967) 85° (1970) 0.03" NA
May 2 45° 72° 36° (1954) 91° (1966) 0.03" NA
May 3 46° 72° 36° (1950) 85° (2004) 0.03" NA
May 4 46° 72° 36° (1952) 87° (1953) 0.03" NA
May 5 46° 72° 38° (1955) 96° (1987) 0.03" NA
May 6 46° 72° 36° (1968) 97° (1987) 0.03" NA
May 7 46° 73° 35° (1961) 98° (1987) 0.02" NA
May 8 46° 73° 38° (1961) 92° (2001) 0.02" NA
May 9 46° 73° 36° (1985) 89° (1992) 0.02" NA
May 10 46° 73° 27° (1985) 88° (1993) 0.02" NA
May 11 46° 73° 39° (1967) 92° (1959) 0.02" NA
May 12 46° 73° 37° (1958) 101° (1976) 0.02" NA
May 13 47° 73° 37° (1956) 95° (1972) 0.02" NA
May 14 47° 73° 38° (1964) 95° (1970) 0.02" NA
May 15 47° 74° 39° (1962) 92° (1958) 0.02" NA
May 16 47° 74° 39° (1955) 95° (1956) 0.02" NA
May 17 47° 74° 39° (1974) 99° (1997) 0.02" NA
May 18 47° 74° 38° (1974) 92° (1997) 0.02" NA
May 19 47° 74° 35° (1964) 93° (1983) 0.02" NA
May 20 47° 74° 39° (1951) 96° (1988) 0.02" NA
May 21 47° 75° 39° (1960) 92° (2000) 0.02" NA
May 22 48° 75° 37° (1960) 91° (2000) 0.02" NA
May 23 48° 75° 40° (1955) 94° (1982) 0.02" NA
May 24 48° 75° 39° (1953) 99° (1982) 0.02" NA
May 25 48° 75° 38° (1953) 95° (1951) 0.02" NA
May 26 48° 76° 37° (1953) 94° (1974) 0.01" NA
May 27 48° 76° 40° (1954) 98° (1984) 0.01" NA
May 28 48° 76° 39° (1959) 99° (1984) 0.01" NA
May 29 48° 76° 36° (1985) 101° (1950) 0.01" NA
May 30 48° 76° 39° (1951) 98° (2001) 0.01" NA
May 31 49° 76° 40° (1966) 99° (1970) 0.01" NA
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