Arcachon weather in January 2026

Expect daytime maximum temperatures of 50°F in Arcachon, France in January based on long-term weather averages. There are 3 hours of sunshine per day on average with 18 days with some rainfall and typically 4.6 inches of rainfall in the month.

  • 50°F maximum daytime temperature in January in Arcachon50
    50°F max day temperature
  • 3 hours of sunshine per day
  • 18 days with some rainfall in January in Arcachon18
    18 days with some rainfall
  • 39°F minimum night-time temperature in January in Arcachon39
    39°F min night temperature
  • 9 hours of daylight per day in January in Arcachon9
    9 hours of daylight per day
  • No heat & humidity in January in Arcachon0
    No heat & humidity
  • 4.6 inches monthly rainfall in January in Arcachon4.6
    4.6 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Arcachon1
    1 (Low) UV index
  • 54°F sea temperature in January in Arcachon54
    54°F sea temperature

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The January 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)  |  Imperial (°F)

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How cold is it in Arcachon in January?

Daytime temperatures usually reach 43°F in Arcachon in January, falling to 34°F at night.

How sunny is it in Arcachon in January?

There are normally 2 hours of bright sunshine each day in Arcachon in January - that's 21% of daylight hours.

Does it rain in Arcachon in January?

There are usually 17 days with some rain in Arcachon in January and the average monthly rainfall is 2.1 inches.

Arcachon January sunrise & sunset times

Browse the sunrise and sunset times for Arcachon in January 2026. Select a month to view Arcachon sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 08:42 17:35
Friday, 16th January 2026 08:38 17:52
Saturday, 31st January 2026 08:25 18:12

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