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
Apr 1 45° 67° 28° (1936) 86° (1966) 0.1" NA
Apr 2 45° 67° 30° (1976) 85° (1959) 0.09" NA
Apr 3 45° 68° 32° (1931) 85° (1961) 0.09" NA
Apr 4 45° 68° 33° (1945) 88° (1961) 0.08" NA
Apr 5 45° 68° 30° (1932) 90° (1939) 0.08" NA
Apr 6 45° 68° 30° (1944) 90° (1989) 0.08" NA
Apr 7 45° 68° 31° (1932) 90° (1989) 0.07" NA
Apr 8 45° 68° 29° (1953) 90° (1989) 0.07" NA
Apr 9 45° 69° 32° (1953) 91° (1989) 0.07" NA
Apr 10 45° 69° 32° (1933) 90° (1989) 0.06" NA
Apr 11 45° 69° 32° (1965) 89° (1988) 0.06" NA
Apr 12 45° 69° 32° (1945) 92° (1947) 0.06" NA
Apr 13 45° 69° 30° (1953) 88° (1933) 0.06" NA
Apr 14 45° 69° 32° (1955) 88° (1947) 0.05" NA
Apr 15 45° 70° 33° (1955) 90° (1964) 0.05" NA
Apr 16 46° 70° 33° (1967) 88° (1966) 0.05" NA
Apr 17 46° 70° 29° (1933) 88° (1966) 0.05" NA
Apr 18 46° 70° 31° (1933) 88° (1954) 0.05" NA
Apr 19 46° 70° 32° (1961) 85° (1977) 0.04" NA
Apr 20 46° 70° 33° (1961) 95° (1931) 0.04" NA
Apr 21 46° 71° 30° (1932) 85° (1931) 0.04" NA
Apr 22 46° 71° 32° (1932) 88° (1945) 0.04" NA
Apr 23 46° 71° 34° (1938) 90° (1946) 0.04" NA
Apr 24 46° 71° 30° (1964) 91° (1966) 0.04" NA
Apr 25 46° 71° 31° (1964) 87° (2004) 0.04" NA
Apr 26 46° 71° 34° (1932) 93° (2004) 0.04" NA
Apr 27 46° 71° 30° (1955) 93° (1965) 0.04" NA
Apr 28 47° 71° 31° (1955) 87° (2004) 0.03" NA
Apr 29 47° 72° 33° (1967) 98° (1981) 0.03" NA
Apr 30 47° 72° 31° (1933) 96° (1981) 0.03" NA
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