Napa weather in July 2024

Expect 28°C daytime maximum temperatures in the shade with on average 12 hours of sunshine per day in Napa in July. Check more long-term weather averages for Napa in July before you book your next holiday to California in 2024/2025.

  • 28°C maximum daytime temperature in July in Napa28
    28°C max day temperature
  • 12 hours of sunshine per day
  • 1 day with some rainfall in July in Napa1
    1 day with some rainfall
  • 12°C minimum night-time temperature in July in Napa12
    12°C min night temperature
  • 15 hours of daylight per day in July in Napa15
    15 hours of daylight per day
  • Moderate heat & humidity in July in NapaM
    Moderate heat & humidity
  • 1 mm monthly rainfall in July in Napa1
    1 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in July in Napa9
    9 (Very High) UV index

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The July weather guide for California (Napa) 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.

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

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How hot is it in Napa in July?

Daytime temperatures usually reach 28°C in Napa in July with moderate heat and humidity, falling to 12°C at night.

How sunny is it in Napa in July?

There are normally 12 hours of bright sunshine each day in Napa in July - that's 80% of daylight hours.

Does it ever rain in Napa in July?

There is usually 1 day with some rain in Napa in July and the average monthly rainfall is 1mm.

Napa July sunrise & sunset times

Browse the sunrise and sunset times for Napa in July 2024. Select a month to view Napa sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st July 2024 05:50 20:37
Tuesday, 16th July 2024 05:59 20:31
Wednesday, 31st July 2024 06:11 20:19

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