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Rennes weather in August 2025
Expect 23°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Rennes in August. Check more long-term weather averages for Rennes in August before you book your next holiday to France in 2025/2026.
- 2323°C max day temperature
- 7 hours of sunshine per day
- 1212 days with some rainfall
- 1313°C min night temperature
- 1414 hours of daylight per day
- 0No heat & humidity
- 4343 mm of monthly rainfall
- 66 (High) UV index
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The August weather guide for France (Rennes) 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 Rennes in August?
Daytime temperatures usually reach 23°C in Rennes in August, falling to 13°C at night.
How sunny is it in Rennes in August?
There are normally 7 hours of bright sunshine each day in Rennes in August - that's 50% of daylight hours.
Does it rain in Rennes in August?
There are usually 12 days with some rain in Rennes in August and the average monthly rainfall is 43mm.
Rennes August sunrise & sunset times
Browse the sunrise and sunset times for Rennes in August 2025. Select a month to view Rennes sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Friday, 1st August 2025 | 05:43 | 20:43 |
Saturday, 16th August 2025 | 06:03 | 20:18 |
Sunday, 31st August 2025 | 06:23 | 19:50 |
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