St Malo weather in May 2025

Expect 17°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in St Malo in May. Check more long-term weather averages for St Malo in May before you book your next holiday to France in 2025/2026.

  • 17°C maximum daytime temperature in May in St Malo17
    17°C max day temperature
  • 7 hours of sunshine per day
  • 15 days with some rainfall in May in St Malo15
    15 days with some rainfall
  • 9°C minimum night-time temperature in May in St Malo9
    9°C min night temperature
  • 15 hours of daylight per day in May in St Malo15
    15 hours of daylight per day
  • No heat & humidity in May in St Malo0
    No heat & humidity
  • 57 mm monthly rainfall in May in St Malo57
    57 mm of monthly rainfall
  • UV (maximum) index 6 (High) in May in St Malo6
    6 (High) UV index
  • 12°C sea temperature in May in St Malo12
    12°C sea temperature

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The May weather guide for France (St Malo) 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 St Malo in May?

Daytime temperatures usually reach 17°C in St Malo in May, falling to 9°C at night.

How sunny is it in St Malo in May?

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

How warm is the sea around St Malo in May?

The average sea temperature around St Malo in May is 12°C.

Does it rain in St Malo in May?

There are usually 15 days with some rain in St Malo in May and the average monthly rainfall is 57mm.

St Malo May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:48 20:23
Friday, 16th May 2025 05:26 20:44
Saturday, 31st May 2025 05:11 21:02

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