Roscoff weather in May 2026

Expect daytime maximum temperatures of 59°F in Roscoff, France in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 15 days with some rainfall and typically 2.6 inches of rainfall in the month.

  • 59°F maximum daytime temperature in May in Roscoff59
    59°F max day temperature
  • 7 hours of sunshine per day
  • 15 days with some rainfall in May in Roscoff15
    15 days with some rainfall
  • 46°F minimum night-time temperature in May in Roscoff46
    46°F min night temperature
  • 15 hours of daylight per day in May in Roscoff15
    15 hours of daylight per day
  • No heat & humidity in May in Roscoff0
    No heat & humidity
  • 2.6 inches monthly rainfall in May in Roscoff2.6
    2.6 inches of monthly rainfall
  • UV (maximum) index 6 (High) in May in Roscoff6
    6 (High) UV index
  • 54°F sea temperature in May in Roscoff54
    54°F sea temperature

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The May weather guide for France (Roscoff) 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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More about France

How warm is it in Roscoff in May?

Daytime temperatures usually reach 59°F in Roscoff in May, falling to 46°F at night.

How sunny is it in Roscoff in May?

There are normally 7 hours of bright sunshine each day in Roscoff in May - that's 46% of daylight hours.

How warm is the sea around Roscoff in May?

The average sea temperature around Roscoff in May is 54°F.

Does it rain in Roscoff in May?

There are usually 15 days with some rain in Roscoff in May and the average monthly rainfall is 2.6 inches.

Roscoff May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 05:56 20:31
Saturday, 16th May 2026 05:34 20:52
Sunday, 31st May 2026 05:18 21:10

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