Napa weather in April 2021

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  • 20°C maximum daytime temperature in April in Napa20
    20°C max day temperature
  • 11 hours of sunshine per day
  • 6 days with some rainfall in April in Napa6
    6 days with some rainfall
  • 6°C minimum night-time temperature in April in Napa6
    6°C min night temperature
  • 13 hours of daylight per day in April in Napa13
    13 hours of daylight per day
  • No heat & humidity in April in Napa0
    No heat & humidity
  • 47 mm monthly rainfall in April in Napa47
    47 mm of monthly rainfall
  • UV (maximum) index 7 (High) in April in Napa7
    7 (High) UV index
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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The April weather guide for Napa, California shows long term 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.

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How hot is it in Napa in April?

Daytime temperatures usually reach 20°C in Napa in April, falling to 6°C at night.

How sunny is it in Napa in April?

There are normally 11 hours of bright sunshine each day in Napa in April - that's 79% of daylight hours.

Does it rain in Napa in April?

There are usually 6 days with some rain in Napa in April and the average monthly rainfall is 47mm.

Napa sunrise & sunset times for April 2021

Browse the sunrise & sunset times for Napa in April 2021. Select a month to view Napa sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st April 2021 06:54 19:33
Thursday, 15th April 2021 06:33 19:46
Friday, 30th April 2021 06:13 20:00

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

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Where is hot in California in April for 2021/2022?

Below are average maximum temperatures at popular destinations in California in April. Select a destination to see more weather parameters.

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