The climate in Santa Rosa during October can be summarized as mild and dry.
October is in the fall / autumn in Santa Rosa and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 23°C (74°F), whilst at night 5°C (40°F) is normal.
Daytime temperature | 23.2°C 73.7°F |
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Nightly temperature | 4.7°C 40.4°F |
Average temperature | 13.9°C 57°F |
Daily sunshine | 9.6 hrs |
Avg rainfall | 28 mm 1.1 ins |
Rainy days | 4 days |
Sea temperature | 19.3°C 66.7°F |
Humidity | 51% |
Windspeed | 15.1kph 9 mph |
On average October is the 6th wettest month of the year in Santa Rosa with around 28mm 1.1 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.6 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Santa Rosa in October 2025.
Best places to visit in October
Hottest month: | July | 32.3°C 90.1°F |
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Driest month: | January | 10mm 0.4ins |
Sunniest month: | June | 12.4hrs |
Coldest month: | January | 11.1°C 52°F |
Wettest month: | August | 75mm 3ins |