Napa climate guide

Temperature in Napa (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
Min temperature (night-time)

Sunshine & Daylight in Napa

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight

Rainfall in Napa

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
Average monthly rainfall (mm)

More climate for Napa

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (Maximum)
Heat & Humidity

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Going to Napa? Find the best month to visit Napa based on the weather.

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Napa

  • Book cheap flights to California with Thomas Cook Airlines
  • Prices start from £219.99 one-way based on return flights
  • Depart from airports across the UK

More about Napa

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The climate guide for Napa, California shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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