Grenoble weather in August 2025

Expect 73°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Grenoble in August. Check more long-term weather averages for Grenoble in August before you book your next holiday to France in 2025/2026.

73
73°F max day temperature
8
8 hours of sunshine per day
11
11 days with some rainfall
54
54°F min night temperature
14
14 hours of daylight per day
0
No heat & humidity
3.4
3.4 inches of monthly rainfall
7
7 (High) UV index

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Destination

The August weather guide for France (Grenoble) 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)

More about France

How hot is it in Grenoble in August?

Daytime temperatures usually reach 73°F in Grenoble in August, falling to 54°F at night.

How sunny is it in Grenoble in August?

There are normally 8 hours of bright sunshine each day in Grenoble in August - that's 58% of daylight hours.

Does it rain in Grenoble in August?

There are usually 11 days with some rain in Grenoble in August and the average monthly rainfall is 3.4 inches.

Grenoble August sunrise & sunset times

Browse the sunrise and sunset times for Grenoble in August 2025. Select a month to view Grenoble 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	05:22	20:04
Saturday, 16th August 2025	05:40	19:42
Sunday, 31st August 2025	05:58	19:16

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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)
Driving side	Right
Why visit?	Beaches Culture Nature Nightlife
Tourist info	Atout France