Napa weather in October 2025

Expect 24°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Napa in October. Check more long-term weather averages for Napa in October before you book your next holiday to California in 2025/2026.

  • 24°C maximum daytime temperature in October in Napa24
    24°C max day temperature
  • 8 hours of sunshine per day
  • 4 days with some rainfall in October in Napa4
    4 days with some rainfall
  • 9°C minimum night-time temperature in October in Napa9
    9°C min night temperature
  • 11 hours of daylight per day in October in Napa11
    11 hours of daylight per day
  • No heat & humidity in October in Napa0
    No heat & humidity
  • 41 mm monthly rainfall in October in Napa41
    41 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in October in Napa5
    5 (Moderate) UV index

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The October 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 hot is it in Napa in October?

Daytime temperatures usually reach 24°C in Napa in October, falling to 9°C at night.

How sunny is it in Napa in October?

There are normally 8 hours of bright sunshine each day in Napa in October - that's 75% of daylight hours.

Does it rain in Napa in October?

There are usually 4 days with some rain in Napa in October and the average monthly rainfall is 41mm.

Napa October sunrise & sunset times

Browse the sunrise and sunset times for Napa in October 2025. Select a month to view Napa sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:05 17:51
Thursday, 16th October 2025 06:19 17:29
Friday, 31st October 2025 06:35 17:10

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