France
Rennes sees feels-like daytime highs peak around 26.8°C in August and nighttime lows bottom out near 3°C in January. December is the wettest month (~57 mm), while August is the driest (~30 mm). For sunshine, July leads with about 62% clear skies.
Based on mild feels-like temperatures and low rain chances, the most comfortable months are August, July, and June — expect around 15.9–26.8°C with roughly 18% chance of rain on a given day in August.
| Month | Low / High °C | Rain % | Rainfall | Clear skies | Wind |
|---|---|---|---|---|---|
| January | 3° / 8.3° | 30% | 52 mm | 33% | 18.9 kph |
| February | 3.1° / 8.5° | 24% | 41 mm | 38% | 18.5 kph |
| March | 4.5° / 11.7° | 23% | 37 mm | 41% | 17.8 kph |
| April | 7° / 15.3° | 25% | 37 mm | 46% | 17.1 kph |
| May | 10.5° / 19° | 26% | 42 mm | 48% | 16.1 kph |
| June☀ | 14.3° / 23.2° | 21% | 35 mm | 55% | 15.2 kph |
| July☀ | 16.6° / 26.7° | 19% | 33 mm | 62% | 14.6 kph |
| August☀ | 15.9° / 26.8° | 18% | 30 mm | 60% | 14.2 kph |
| September | 13.4° / 23° | 22% | 40 mm | 55% | 15.2 kph |
| October | 10.2° / 17.2° | 29% | 53 mm | 47% | 16.6 kph |
| November | 5.8° / 12.1° | 30% | 51 mm | 38% | 17.7 kph |
| December | 3.3° / 8.8° | 33% | 57 mm | 33% | 18.5 kph |
Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).
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