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
Sep 1 53° 82° 41° (1957) 105° (1950) 0.01" NA
Sep 2 53° 83° 44° (1970) 107° (1955) 0.01" NA
Sep 3 53° 82° 42° (1945) 108° (1955) 0.01" NA
Sep 4 53° 82° 42° (1932) 108° (1955) 0.01" NA
Sep 5 53° 82° 42° (1932) 100° (1955) 0.01" NA
Sep 6 53° 82° 42° (1946) 100° (1958) 0.01" NA
Sep 7 53° 82° 41° (1951) 102° (1936) 0.01" NA
Sep 8 53° 82° 40° (1931) 106° (1957) 0.01" NA
Sep 9 53° 82° 38° (1931) 107° (1944) 0.01" NA
Sep 10 53° 82° 40° (1931) 100° (1944) 0.01" NA
Sep 11 53° 82° 38° (1931) 104° (1979) 0.01" NA
Sep 12 53° 82° 40° (1931) 108° (1979) 0.01" NA
Sep 13 53° 82° 38° (1970) 110° (1971) 0.01" NA
Sep 14 53° 82° 38° (1970) 110° (1971) 0.02" NA
Sep 15 53° 82° 39° (1970) 107° (1971) 0.02" NA
Sep 16 53° 82° 39° (1936) 99° (1958) 0.02" NA
Sep 17 53° 82° 41° (1936) 101° (1968) 0.02" NA
Sep 18 53° 82° 39° (1947) 100° (1939) 0.02" NA
Sep 19 52° 82° 39° (1947) 101° (2000) 0.02" NA
Sep 20 52° 82° 39° (1947) 104° (1939) 0.02" NA
Sep 21 52° 82° 40° (1960) 105° (1939) 0.02" NA
Sep 22 52° 82° 41° (1931) 105° (1939) 0.02" NA
Sep 23 52° 82° 38° (1931) 105° (1939) 0.02" NA
Sep 24 52° 81° 36° (1931) 102° (1936) 0.02" NA
Sep 25 52° 81° 36° (1948) 104° (1964) 0.02" NA
Sep 26 52° 81° 35° (1934) 101° (1960) 0.02" NA
Sep 27 52° 81° 36° (1934) 103° (1963) 0.02" NA
Sep 28 51° 81° 38° (1931) 101° (1958) 0.02" NA
Sep 29 51° 81° 38° (1931) 104° (1966) 0.03" NA
Sep 30 51° 81° 34° (1950) 102° (1980) 0.03" NA
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