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Mont St Michel weather in August 2025
Expect 22°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Mont St Michel in August. Check more long-term weather averages for Mont St Michel in August before you book your next holiday to France in 2025/2026.
- 22°C max day temperature
22 - 7 hours of sunshine per day
- 11 days with some rainfall
11 - 13°C min night temperature
13 - 14 hours of daylight per day
14 - No heat & humidity
0 - 52 mm of monthly rainfall
52 - 6 (High) UV index
6 - 19°C sea temperature
19
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The August weather guide for France (Mont St Michel) 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)
More about France
How hot is it in Mont St Michel in August?
Daytime temperatures usually reach 22°C in Mont St Michel in August, falling to 13°C at night.
How sunny is it in Mont St Michel in August?
There are normally 7 hours of bright sunshine each day in Mont St Michel in August - that's 50% of daylight hours.
How warm is the sea around Mont St Michel in August?
The average sea temperature around Mont St Michel in August is 19°C.
Does it rain in Mont St Michel in August?
There are usually 11 days with some rain in Mont St Michel in August and the average monthly rainfall is 52mm.
Mont St Michel August sunrise & sunset times
Browse the sunrise and sunset times for Mont St Michel in August 2025. Select a month to view Mont St Michel sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st August 2025 | 05:40 | 20:44 |
| Saturday, 16th August 2025 | 06:01 | 20:19 |
| Sunday, 31st August 2025 | 06:22 | 19:50 |
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