Napa weather in December 2024

Expect 13°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Napa in December. Check more long-term weather averages for Napa in December before you book your next holiday to California in 2024/2025.

  • 13°C maximum daytime temperature in December in Napa13
    13°C max day temperature
  • 5 hours of sunshine per day
  • 10 days with some rainfall in December in Napa10
    10 days with some rainfall
  • 3°C minimum night-time temperature in December in Napa3
    3°C min night temperature
  • 10 hours of daylight per day in December in Napa10
    10 hours of daylight per day
  • No heat & humidity in December in Napa0
    No heat & humidity
  • 127 mm monthly rainfall in December in Napa127
    127 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in December in Napa2
    2 (Low) UV index

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The December 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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More about California

How warm is it in Napa in December?

Daytime temperatures usually reach 13°C in Napa in December, falling to 3°C at night.

How sunny is it in Napa in December?

There are normally 5 hours of bright sunshine each day in Napa in December - that's 52% of daylight hours.

Does it rain in Napa in December?

There are usually 10 days with some rain in Napa in December and the average monthly rainfall is 127mm.

Napa December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2024 07:08 16:49
Monday, 16th December 2024 07:20 16:50
Tuesday, 31st December 2024 07:26 16:59

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