Lannion weather in December 2025

Expect daytime maximum temperatures of 10°C in Lannion in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 19 days with some rainfall and typically 119 mm of rainfall in the month.

  • 10°C maximum daytime temperature in December in Lannion10
    10°C max day temperature
  • 2 hours of sunshine per day
  • 19 days with some rainfall in December in Lannion19
    19 days with some rainfall
  • 5°C minimum night-time temperature in December in Lannion5
    5°C min night temperature
  • 8 hours of daylight per day in December in Lannion8
    8 hours of daylight per day
  • No heat & humidity in December in Lannion0
    No heat & humidity
  • 119 mm monthly rainfall in December in Lannion119
    119 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Lannion1
    1 (Low) UV index

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The December weather guide for France (Lannion) 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 Lannion in December?

Daytime temperatures usually reach 10°C in Lannion in December, falling to 5°C at night.

How sunny is it in Lannion in December?

There are normally 2 hours of bright sunshine each day in Lannion in December - that's 23% of daylight hours.

Does it rain in Lannion in December?

There are usually 19 days with some rain in Lannion in December and the average monthly rainfall is 119mm.

Lannion December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 08:46 17:20
Tuesday, 16th December 2025 09:01 17:18
Wednesday, 31st December 2025 09:07 17:27

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