Napa Weather in November

The climate in Napa during November can be summarized as mild and a little damp.

November is in the fall / autumn in Napa and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 17°C (63°F), whilst at night 6°C (42°F) is normal.

On average November is the 4th wettest month of the year in Napa with around 100mm 3.9 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 6.6 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 Napa in November 2025.