Santa Rosa, California
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 40° 58° 17° (1937) 85° (1962) 6.25" 0"
February 43° 62° 21° (1950) 83° (1964) 6.08" 0"
March 44° 65° 26° (1966) 91° (2004) 4.71" 0"
April 46° 70° 28° (1936) 98° (1981) 1.67" 0.2"
May 49° 74° 31° (1950) 104° (1950) 0.83" 0"
June 52° 80° 37° (1952) 109° (1960) 0.19" 0"
July 53° 82° 40° (1948) 110° (1972) 0.06" 0"
August 53° 82° 40° (1938) 106° (1998) 0.11" 0"
September 53° 82° 34° (1950) 110° (1971) 0.49" 0"
October 49° 77° 25° (1946) 105° (1980) 1.81" 0"
November 43° 65° 23° (1961) 92° (1967) 4.31" 0"
December 39° 58° 15° (1932) 83° (1967) 4.5" 0"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 47° 72° 34° (1942) 92° (1947) 0.03" NA
May 2 47° 72° 34° (1933) 91° (1990) 0.03" NA
May 3 47° 72° 31° (1950) 92° (1990) 0.03" NA
May 4 47° 72° 33° (1950) 90° (1935) 0.03" NA
May 5 47° 72° 35° (1952) 90° (1957) 0.03" NA
May 6 47° 72° 34° (1933) 93° (1987) 0.03" NA
May 7 48° 73° 32° (1977) 92° (2007) 0.03" NA
May 8 48° 73° 34° (1938) 96° (1931) 0.03" NA
May 9 48° 73° 32° (1933) 95° (1931) 0.03" NA
May 10 48° 73° 34° (1933) 94° (1934) 0.03" NA
May 11 48° 73° 36° (1933) 93° (1934) 0.03" NA
May 12 48° 73° 37° (1967) 100° (1976) 0.03" NA
May 13 48° 74° 37° (1943) 97° (1976) 0.03" NA
May 14 48° 74° 37° (1948) 95° (1970) 0.03" NA
May 15 49° 74° 37° (1948) 97° (1970) 0.03" NA
May 16 49° 74° 36° (1943) 96° (1970) 0.03" NA
May 17 49° 74° 35° (1938) 98° (1997) 0.03" NA
May 18 49° 74° 35° (1974) 95° (1952) 0.03" NA
May 19 49° 75° 33° (1938) 95° (1931) 0.03" NA
May 20 49° 75° 37° (1933) 96° (1935) 0.03" NA
May 21 49° 75° 38° (1946) 93° (1935) 0.03" NA
May 22 49° 75° 35° (1960) 97° (1943) 0.02" NA
May 23 50° 75° 38° (1944) 96° (1943) 0.02" NA
May 24 50° 76° 36° (1953) 92° (1970) 0.02" NA
May 25 50° 76° 37° (1953) 96° (1951) 0.02" NA
May 26 50° 76° 37° (1953) 96° (1974) 0.02" NA
May 27 50° 76° 39° (1953) 94° (1984) 0.02" NA
May 28 50° 76° 38° (1948) 97° (1975) 0.02" NA
May 29 50° 77° 38° (1985) 104° (1950) 0.02" NA
May 30 51° 77° 36° (1938) 98° (1975) 0.02" NA
May 31 51° 77° 40° (1966) 99° (1970) 0.02" NA
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