October weather in Santa Rosa, CA
The average temperature in Santa Rosa in October is 63.3°F (47.6°F–78.9°F). Average precipitation: 1.63 inches.
October is a fall month in Santa Rosa, and is warmer than the annual average of 59°F. Daily temperatures swing about 31.3°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 10h 58m. For travel, October is a comfortable month to visit.
Avg High
78.9°F
Avg Low
47.6°F
Precipitation
1.63 in
Daylight
10h 58m
October records in Santa Rosa
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 102.0°F (1970) | 32.0°F (1914) | 0.61 in (1926) |
| October 2 | 105.1°F (1980) | 28.9°F (1914) | 1.32 in (2018) |
| October 3 | 105.1°F (1980) | 28.0°F (1914) | 0.97 in (1922) |
| October 4 | 100.9°F (1933) | 30.0°F (1914) | 0.43 in (2008) |
| October 5 | 102.9°F (1933) | 28.0°F (1914) | 0.93 in (2011) |
| October 6 | 102.0°F (1930) | 28.0°F (1915) | 0.61 in (1960) |
| October 7 | 102.0°F (2024) | 30.0°F (1915) | 0.89 in (1981) |
| October 8 | 100.9°F (1996) | 30.0°F (1915) | 0.99 in (1904) |
| October 9 | 97.0°F (1936) | 30.0°F (1915) | 1.01 in (1997) |
| October 10 | 100.9°F (1958) | 28.0°F (1915) | 2.35 in (1957) |
| October 11 | 97.0°F (2010) | 26.1°F (1915) | 1.26 in (1904) |
| October 12 | 98.1°F (1978) | 24.1°F (1915) | 4.67 in (1962) |
| October 13 | 98.1°F (2004) | 32.0°F (1928) | 2.74 in (1962) |
| October 14 | 98.1°F (1978) | 34.0°F (1928) | 1.44 in (1962) |
| October 15 | 100.0°F (1961) | 34.0°F (1966) | 2.66 in (1993) |
| October 16 | 100.9°F (1961) | 35.1°F (1938) | 1.03 in (1947) |
| October 17 | 97.0°F (1933) | 33.1°F (1905) | 0.90 in (1920) |
| October 18 | 96.1°F (1913) | 33.1°F (1905) | 0.42 in (1953) |
| October 19 | 95.0°F (1921) | 30.0°F (1905) | 0.94 in (2004) |
| October 20 | 93.9°F (1964) | 27.0°F (1949) | 0.79 in (2021) |
| October 21 | 95.0°F (1929) | 28.0°F (1914) | 1.22 in (1985) |
| October 22 | 96.1°F (1929) | 28.0°F (1914) | 1.10 in (2021) |
| October 23 | 95.0°F (1978) | 28.0°F (1914) | 1.18 in (1989) |
| October 24 | 95.0°F (1959) | 30.0°F (1914) | 7.83 in (2021) |
| October 25 | 95.0°F (1917) | 30.0°F (1919) | 2.45 in (1979) |
| October 26 | 96.1°F (2003) | 28.9°F (1919) | 1.59 in (1982) |
| October 27 | 95.0°F (2003) | 28.0°F (1919) | 0.99 in (1941) |
| October 28 | 93.9°F (2003) | 28.0°F (1946) | 1.31 in (1981) |
| October 29 | 91.0°F (1939) | 26.1°F (1946) | 1.76 in (1992) |
| October 30 | 90.0°F (1966) | 25.0°F (1946) | 1.30 in (1956) |
| October 31 | 93.0°F (1966) | 26.1°F (1946) | 1.50 in (1934) |