Napa weather averages

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

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

Check Napa weather averages before you book your next holiday in 2018/2019. Today's maximum temperature in Napa is expected to be 24°C, while the average maximum temperature in May is 23°C.

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More about Napa

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

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

Napa weather averages: best month

Napa Best month Averages
Warmest July & August 28°C
Sunniest June & July 12 hours per day
Least rain June, July & August 1 day

Napa climate guide

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Napa weather averages by month

Check Napa holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare Napa weather with the USA

Below the Napa weather chart shows maximum daytime temperature for Napa, California, USA and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

Napa, California, USA
USA (Washington)

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

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