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Brittany weather in May 2025
Expect 15°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Brittany in May. Check more long-term weather averages for Brittany in May before you book your next holiday to Brittany in 2025/2026.
- 1515°C max day temperature
- 7 hours of sunshine per day
- 1616 days with some rainfall
- 88°C min night temperature
- 1515 hours of daylight per day
- 0No heat & humidity
- 6969 mm of monthly rainfall
- 66 (High) UV index
- 1313°C sea temperature
More about Brittany
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Brittany by month
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Recommended for Brittany
The May weather guide for Brittany (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.
Top Brittany destinations
Below are average maximum temperatures at popular countries, regions and places in Brittany in May. Select a holiday destination to see more weather parameters.
- Rennes
- Arzon
- Dinard
- St Malo
- Vannes
- Benodet
- Cap-Coz
- L'Orient
- Le Guilvinec
- Quiberon
- Quimper
- Audierne
- Brest
- Crozon
- Douarnenez
- Lannion
- Le Conquet
- Perros-Guirec
- Roscoff
- Trebeurden
Metric (°C / mm) | Imperial (°F / inches)
More about France
How warm is it in Brittany in May?
Daytime temperatures usually reach 15°C in Brest, Brittany in May, falling to 8°C at night.
How sunny is it in Brittany in May?
There are normally 7 hours of bright sunshine each day in Brest, Brittany in May - that's 45% of daylight hours.
How warm is the sea around Brittany in May?
The average sea temperature around Brest, Brittany in May is 13°C.
Does it rain in Brittany in May?
There are usually 16 days with some rain in Brest, Brittany in May and the average monthly rainfall is 69mm.
Brittany May sunrise & sunset times
Browse the sunrise and sunset times for Brittany in May 2025. Select a month to view Brittany sunrise and sunset times for the next 12 months. The Brittany sunrise and sunset times shown below are for Brest.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Thursday, 1st May 2025 | 05:59 | 20:32 |
Friday, 16th May 2025 | 05:36 | 20:53 |
Saturday, 31st May 2025 | 05:22 | 21:10 |
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