The climate in California during October can be summarized as mild and a little damp.
October is in the fall / autumn in California and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 21°C (69°F), whilst at night 7°C (45°F) is normal.
Daytime temperature | 20.6°C 69.1°F |
---|---|
Nightly temperature | 7.4°C 45.3°F |
Average temperature | 14°C 57.2°F |
Daily sunshine | 7.5 hrs |
Avg rainfall | 88 mm 3.4 ins |
Rainy days | 9 days |
Sea temperature | 17.5°C 63.5°F |
Humidity | 69% |
Windspeed | 16.2kph 10 mph |
On average October is the 6th wettest month of the year in California with around 88mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.5 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 California in October 2025.
Best places to visit in October
Hottest month: | July | 31.9°C 89.4°F |
---|---|---|
Driest month: | January | 37mm 1.5ins |
Sunniest month: | July | 10.9hrs |
Coldest month: | January | 3.3°C 37.9°F |
Wettest month: | May | 121mm 4.8ins |