Saint-Nazaire weather in December 2025

Expect 10°C daytime maximum temperatures in the shade with on average 2 hours of sunshine per day in Saint-Nazaire in December based on long-term weather averages. There is usually 17 days with some rainfall and 93 mm of average monthly rainfall in December.

  • 10°C maximum daytime temperature in December in Saint-Nazaire10
    10°C max day temperature
  • 2 hours of sunshine per day
  • 17 days with some rainfall in December in Saint-Nazaire17
    17 days with some rainfall
  • 4°C minimum night-time temperature in December in Saint-Nazaire4
    4°C min night temperature
  • 9 hours of daylight per day in December in Saint-Nazaire9
    9 hours of daylight per day
  • No heat & humidity in December in Saint-Nazaire0
    No heat & humidity
  • 93 mm monthly rainfall in December in Saint-Nazaire93
    93 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Saint-Nazaire1
    1 (Low) UV index
  • 11°C sea temperature in December in Saint-Nazaire11
    11°C sea temperature

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The December weather guide for France (Saint-Nazaire) 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 Saint-Nazaire in December?

Daytime temperatures usually reach 10°C in Saint-Nazaire in December, falling to 4°C at night.

How sunny is it in Saint-Nazaire in December?

There are normally 2 hours of bright sunshine each day in Saint-Nazaire in December - that's 27% of daylight hours.

Is the sea cold around Saint-Nazaire in December?

The average sea temperature around Saint-Nazaire in December is 11°C.

Does it rain in Saint-Nazaire in December?

There are usually 17 days with some rain in Saint-Nazaire in December and the average monthly rainfall is 93mm.

Saint-Nazaire December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 08:35 17:21
Tuesday, 16th December 2025 08:50 17:19
Wednesday, 31st December 2025 08:56 17:28

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