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
Dec 1 40° 60° 27° (1954) 75° (1959) 0.15" NA
Dec 2 40° 60° 28° (1936) 75° (1939) 0.14" NA
Dec 3 40° 60° 28° (1934) 79° (1958) 0.14" NA
Dec 4 40° 60° 25° (1936) 77° (1958) 0.14" NA
Dec 5 40° 60° 24° (1972) 79° (1958) 0.14" NA
Dec 6 40° 59° 26° (1931) 74° (1934) 0.14" NA
Dec 7 39° 59° 26° (1956) 71° (1959) 0.14" NA
Dec 8 39° 59° 21° (1972) 75° (1943) 0.14" NA
Dec 9 39° 59° 16° (1972) 73° (1988) 0.14" NA
Dec 10 39° 59° 18° (1932) 73° (1936) 0.14" NA
Dec 11 39° 59° 17° (1972) 74° (1958) 0.14" NA
Dec 12 39° 58° 23° (1932) 79° (1958) 0.14" NA
Dec 13 39° 58° 15° (1932) 74° (1958) 0.14" NA
Dec 14 39° 58° 15° (1932) 72° (1942) 0.14" NA
Dec 15 39° 58° 19° (1932) 72° (1958) 0.14" NA
Dec 16 39° 58° 25° (1931) 70° (1958) 0.14" NA
Dec 17 39° 58° 23° (1965) 72° (1996) 0.14" NA
Dec 18 39° 58° 23° (1965) 75° (1958) 0.14" NA
Dec 19 39° 57° 24° (1935) 78° (1999) 0.14" NA
Dec 20 38° 57° 24° (1965) 72° (1937) 0.14" NA
Dec 21 38° 57° 21° (1965) 72° (2004) 0.14" NA
Dec 22 38° 57° 18° (1990) 70° (1999) 0.15" NA
Dec 23 38° 57° 19° (1990) 72° (1938) 0.15" NA
Dec 24 38° 57° 21° (1990) 70° (1967) 0.15" NA
Dec 25 38° 57° 23° (1962) 74° (1972) 0.15" NA
Dec 26 38° 57° 23° (1962) 83° (1967) 0.15" NA
Dec 27 38° 57° 23° (1962) 74° (1967) 0.15" NA
Dec 28 38° 57° 24° (1956) 76° (1967) 0.16" NA
Dec 29 38° 57° 24° (1956) 74° (1967) 0.16" NA
Dec 30 38° 57° 23° (1962) 70° (1989) 0.16" NA
Dec 31 38° 57° 24° (1946) 66° (1958) 0.17" NA
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