Napa weather in January 2022

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  • 13°C maximum daytime temperature in January in Napa13
    13°C max day temperature
  • 6 hours of sunshine per day
  • 10 days with some rainfall in January in Napa10
    10 days with some rainfall
  • 3°C minimum night-time temperature in January in Napa3
    3°C min night temperature
  • 10 hours of daylight per day in January in Napa10
    10 hours of daylight per day
  • No heat & humidity in January in Napa0
    No heat & humidity
  • 157 mm monthly rainfall in January in Napa157
    157 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Napa2
    2 (Low) UV index

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The January 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 warm is it in Napa in January?

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

How sunny is it in Napa in January?

There are normally 6 hours of bright sunshine each day in Napa in January - that's 57% of daylight hours.

Does it rain in Napa in January?

There are usually 10 days with some rain in Napa in January and the average monthly rainfall is 157mm.

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

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Napa sunrise & sunset times for January 2022

Browse the sunrise & sunset times for Napa in January 2022. Select a month to view Napa sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Saturday, 1st January 2022 07:26 17:00
Sunday, 16th January 2022 07:24 17:14
Monday, 31st January 2022 07:15 17:31
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Where is hot in California in January for 2022/2023?

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

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