Lannion weather in May 2025

Expect 15°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Lannion in May. Check more long-term weather averages for Lannion in May before you book your next holiday to France in 2025/2026.

  • 15°C maximum daytime temperature in May in Lannion15
    15°C max day temperature
  • 7 hours of sunshine per day
  • 15 days with some rainfall in May in Lannion15
    15 days with some rainfall
  • 9°C minimum night-time temperature in May in Lannion9
    9°C min night temperature
  • 15 hours of daylight per day in May in Lannion15
    15 hours of daylight per day
  • No heat & humidity in May in Lannion0
    No heat & humidity
  • 62 mm monthly rainfall in May in Lannion62
    62 mm of monthly rainfall
  • UV (maximum) index 6 (High) in May in Lannion6
    6 (High) UV index

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Lannion by month

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The May 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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More about France

How warm is it in Lannion in May?

Daytime temperatures usually reach 15°C in Lannion in May, falling to 9°C at night.

How sunny is it in Lannion in May?

There are normally 7 hours of bright sunshine each day in Lannion in May - that's 47% of daylight hours.

Does it rain in Lannion in May?

There are usually 15 days with some rain in Lannion in May and the average monthly rainfall is 62mm.

Lannion May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:54 20:29
Friday, 16th May 2025 05:31 20:50
Saturday, 31st May 2025 05:16 21:08

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