Brest weather in May 2026

Expect daytime maximum temperatures of 15°C in Brest, France in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 16 days with some rainfall and typically 69 mm of rainfall in the month.

  • 15°C maximum daytime temperature in May in Brest15
    15°C max day temperature
  • 7 hours of sunshine per day
  • 16 days with some rainfall in May in Brest16
    16 days with some rainfall
  • 8°C minimum night-time temperature in May in Brest8
    8°C min night temperature
  • 15 hours of daylight per day in May in Brest15
    15 hours of daylight per day
  • No heat & humidity in May in Brest0
    No heat & humidity
  • 69 mm monthly rainfall in May in Brest69
    69 mm of monthly rainfall
  • UV (maximum) index 6 (High) in May in Brest6
    6 (High) UV index
  • 13°C sea temperature in May in Brest13
    13°C sea temperature

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The May weather guide for France (Brest) 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 hot is it in Brest in May?

Daytime temperatures usually reach 18°C in Brest in May, falling to 9°C at night.

How sunny is it in Brest in May?

There are normally 7 hours of bright sunshine each day in Brest in May - that's 42% of daylight hours.

Does it rain in Brest in May?

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

Brest May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 05:59 20:32
Saturday, 16th May 2026 05:37 20:53
Sunday, 31st May 2026 05:22 21:10

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