Arcachon weather in December 2025

Expect 11°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Arcachon in December. Check more long-term weather averages for Arcachon in December before you book your next holiday to France in 2025/2026.

  • 11°C maximum daytime temperature in December in Arcachon11
    11°C max day temperature
  • 3 hours of sunshine per day
  • 17 days with some rainfall in December in Arcachon17
    17 days with some rainfall
  • 4°C minimum night-time temperature in December in Arcachon4
    4°C min night temperature
  • 9 hours of daylight per day in December in Arcachon9
    9 hours of daylight per day
  • No heat & humidity in December in Arcachon0
    No heat & humidity
  • 126 mm monthly rainfall in December in Arcachon126
    126 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Arcachon1
    1 (Low) UV index
  • 13°C sea temperature in December in Arcachon13
    13°C sea temperature

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The December weather guide for France (Arcachon) 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 France

How warm is it in Arcachon in December?

Daytime temperatures usually reach 11°C in Arcachon in December, falling to 4°C at night.

How sunny is it in Arcachon in December?

There are normally 3 hours of bright sunshine each day in Arcachon in December - that's 30% of daylight hours.

How warm is the sea around Arcachon in December?

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

Does it rain in Arcachon in December?

There are usually 17 days with some rain in Arcachon in December and the average monthly rainfall is 126mm.

Arcachon December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 08:22 17:26
Tuesday, 16th December 2025 08:36 17:25
Wednesday, 31st December 2025 08:42 17:34

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