Bayonne weather in December 2025

Expect daytime maximum temperatures of 12°C in Bayonne, France in December based on long-term weather averages. There are 3 hours of sunshine per day on average with 16 days with some rainfall and typically 141 mm of rainfall in the month.

  • 12°C maximum daytime temperature in December in Bayonne12
    12°C max day temperature
  • 3 hours of sunshine per day
  • 16 days with some rainfall in December in Bayonne16
    16 days with some rainfall
  • 5°C minimum night-time temperature in December in Bayonne5
    5°C min night temperature
  • 9 hours of daylight per day in December in Bayonne9
    9 hours of daylight per day
  • No heat & humidity in December in Bayonne0
    No heat & humidity
  • 141 mm monthly rainfall in December in Bayonne141
    141 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Bayonne1
    1 (Low) UV index
  • 13°C sea temperature in December in Bayonne13
    13°C sea temperature

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The December weather guide for France (Bayonne) 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 warm is it in Bayonne in December?

Daytime temperatures usually reach 12°C in Bayonne in December, falling to 5°C at night.

How sunny is it in Bayonne in December?

There are normally 3 hours of bright sunshine each day in Bayonne in December - that's 33% of daylight hours.

How warm is the sea around Bayonne in December?

The average sea temperature around Bayonne in December is 13°C.

Does it rain in Bayonne in December?

There are usually 16 days with some rain in Bayonne in December and the average monthly rainfall is 141mm.

Bayonne December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 08:19 17:31
Tuesday, 16th December 2025 08:33 17:31
Wednesday, 31st December 2025 08:39 17:39

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