Average monthly snow and rainfall in Napa (CA)

The mean monthly precipitation over the year in Napa (California), including rain, snow, hail.

Most rainfall (rainy season) is seen in February and December.
Napa has dry periods in May, June, July, August and September.
On average, December is the wettest month with 120 mm of precipitation.
On average, July is the driest month with 0 mm of precipitation.
The average amount of annual precipitation is 585 mm.

Weather Forecasts for Napa (CA)

Wed May 01

27°C | 8°C

22 km/h

clear and no rain

hourly forecast

Thu May 02

25°C | 8°C

29 km/h

almost clear and no rain

hourly forecast

Fri May 03

24°C | 9°C

25 km/h

clear and no rain

hourly forecast

5-Day Forecast 10-Day Forecast

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