Guerneville Weather in November

The climate in Guerneville during November can be summarized as mild and wet.

November is in the fall / autumn in Guerneville and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 18°C (64°F), whilst at night 5°C (42°F) is normal.

On average November is the 4th wettest month of the year in Guerneville with around 166mm 6.5 inches of rain making it a wet time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.3 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 Guerneville in November 2025.