When to go · Rennes, France
Best Time to Visit Rennes
The sweet spot for Rennes is August, July and September. Here's every month's temperature and rain so you can plan around your own dates.
Go now
August, July, September
Comfortable and drier
Shoulder
June, May, February
Fewer crowds, a trade-off
Think twice
November, December
Hottest is August (24°C)
Rennes weather, month by month
| Month | High | Low | Rain | Feel |
|---|---|---|---|---|
| Jan | 8°C / 46°F | 3°C / 37°F | 68mm | cold, some rain |
| Feb | 11°C / 52°F | 3°C / 37°F | 34mm | cool, mostly dry |
| Mar | 13°C / 55°F | 5°C / 41°F | 64mm | cool, some rain |
| Apr | 15°C / 59°F | 5°C / 41°F | 44mm | cool, mostly dry |
| May | 19°C / 66°F | 9°C / 48°F | 55mm | mild, mostly dry |
| Jun | 24°C / 75°F | 13°C / 55°F | 88mm | warm, some rain |
| JulBEST | 24°C / 75°F | 14°C / 57°F | 59mm | warm, mostly dry |
| AugBEST | 24°C / 75°F | 15°C / 59°F | 55mm | warm, mostly dry |
| SepBEST | 23°C / 73°F | 14°C / 57°F | 64mm | warm, some rain |
| Oct | 19°C / 66°F | 10°C / 50°F | 103mm | mild, some rain |
| Nov | 12°C / 54°F | 6°C / 43°F | 88mm | cool, some rain |
| Dec | 10°C / 50°F | 4°C / 39°F | 87mm | cool, some rain |
Averages from Open-Meteo ERA5 climate reanalysis, 2019 to 2023. Highs and lows are daily averages for each month; rain is the monthly total. Tap a month for a detailed guide.
Want the timing decided for you? A Local Friend in Rennes plans around the seasons for you.