Vannes weather in August 2025

Expect 22°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Vannes in August. Check more long-term weather averages for Vannes in August before you book your next holiday to France in 2025/2026.

22
22°C max day temperature
7
7 hours of sunshine per day
12
12 days with some rainfall
14
14°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
52
52 mm of monthly rainfall
6
6 (High) UV index
18
18°C sea temperature

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Destination

The August weather guide for France (Vannes) 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 Vannes in August?

Daytime temperatures usually reach 22°C in Vannes in August, falling to 14°C at night.

How sunny is it in Vannes in August?

There are normally 7 hours of bright sunshine each day in Vannes in August - that's 50% of daylight hours.

How warm is the sea around Vannes in August?

The average sea temperature around Vannes in August is 18°C.

Does it rain in Vannes in August?

There are usually 12 days with some rain in Vannes in August and the average monthly rainfall is 52mm.

Vannes August sunrise & sunset times

Browse the sunrise and sunset times for Vannes in August 2025. Select a month to view Vannes sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Friday, 1st August 2025	05:49	20:45
Saturday, 16th August 2025	06:08	20:21
Sunday, 31st August 2025	06:28	19:53

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France - quick facts
Flight time^✝	1.5 to 2.5 hours
Time difference	UK +1 hour
Language(s)	French
Currency	Euro
Electricity	C + E plug (230V)
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Tourist info	Atout France