Weather in Rennes for December 2026
In general, the average temperature in Rennes at the beginning of December is 9.6 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 9.7 °C by the end of December.
The climate of Rennes in December is notably wet, with an average of 14 rainy days, and a total of 74.1 mm of precipitation.
Is December a good time to visit Rennes? check out the best time to travel to Rennes page.
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Rennes Weather December
Temperatures trend during December in Rennes
December weather in Rennes day by day
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Patchy rain possible | 10° /4° | 1.2 mm | 0 cm | |
| 2 Dec. | Patchy rain possible | 8° /2° | 1 mm | 0 cm | |
| 3 Dec. |  Light rain | 9° /2° | 2.9 mm | 0 cm | |
| 4 Dec. | Light rain | 9° /3° | 3.9 mm | 0 cm | |
| 5 Dec. | Light rain | 10° /4° | 2.6 mm | 0 cm | |
| 6 Dec. | Patchy rain possible | 10° /4° | 0.8 mm | 0 cm | |
| 7 Dec. | Light rain | 11° /5° | 3.8 mm | 0 cm | |
| 8 Dec. | Light rain | 9° /5° | 2.7 mm | 0 cm | |
| 9 Dec. | Light rain | 10° /4° | 4.2 mm | 0 cm | |
| 10 Dec. | Patchy rain possible | 10° /4° | 2.3 mm | 0 cm | |
| 11 Dec. | Light rain | 9° /5° | 2.8 mm | 0 cm | |
| 12 Dec. | Patchy rain possible | 9° /5° | 2.4 mm | 0 cm | |
| 13 Dec. | Patchy rain possible | 9° /4° | 1.3 mm | 0.1 cm | |
| 14 Dec. | Patchy rain possible | 9° /4° | 1.7 mm | 0 cm | |
| 15 Dec. |  Overcast | 9° /4° | 0.4 mm | 0 cm | |
| 16 Dec. | Patchy rain possible | 9° /4° | 1.9 mm | 0 cm | |
| 17 Dec. |  Cloudy | 9° /3° | 0 mm | 0 cm | |
| 18 Dec. | Light rain | 11° /5° | 2.5 mm | 0.1 cm | |
| 19 Dec. |  Moderate or heavy rain shower | 12° /5° | 6.1 mm | 0 cm | |
| 20 Dec. | Patchy rain possible | 10° /5° | 2.2 mm | 0 cm | |
| 21 Dec. | Light rain | 11° /6° | 3.3 mm | 0 cm | |
| 22 Dec. | Light rain | 11° /7° | 4.3 mm | 0 cm | |
| 23 Dec. | Light rain | 11° /6° | 4.7 mm | 0 cm | |
| 24 Dec. | Patchy rain possible | 10° /6° | 1.5 mm | 0 cm | |
| 25 Dec. | Patchy rain possible | 10° /5° | 1.8 mm | 0.1 cm | |
| 26 Dec. | Overcast | 9° /4° | 0.4 mm | 0 cm | |
| 27 Dec. | Light rain | 10° /4° | 4.6 mm | 0 cm | |
| 28 Dec. | Patchy rain possible | 9° /4° | 1.6 mm | 0 cm | |
| 29 Dec. | Patchy rain possible | 10° /4° | 1.1 mm | 0 cm | |
| 30 Dec. | Patchy rain possible | 10° /4° | 2.4 mm | 0 cm | |
| 31 Dec. | Patchy rain possible | 11° /5° | 1.8 mm | 0 cm | |
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Rennes weather in December vs November vs January
| November | December | January | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 13°/6° | 10°/4° | 8°/3° |
| Rainfall | 70 mm | 74 mm | 85 mm |
| Snowfall | 2 cm | 0 cm | 0 cm |
| Wind | 23.2 km/h | 23.7 km/h | 22.7 km/h |
| Humidity | 82% | 84% | 85% |
| Rainy days | 12 days | 14 days | 13 days |
| Snow days | 0 days | 0 days | 0 days |
| Dry days | 18 days | 17 days | 18 days |
Planning a trip to Rennes? Discover the best time to visit
Rennes in December - FAQ
What are the expected maximum and minimum temperatures in Rennes during December?
How much rainfall should be expected in Rennes during December?
Will it snow in Rennes in December 2026?
What are the typical wind conditions in Rennes during December?
Rennes snow forecast December 2026
December rainfall patterns in Rennes
What to pack to Rennes in December?
Cold & raw · highs around 10 °C, frequent showers
As you prepare for your trip to Rennes in December, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Rennes, during December, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
Where is Rennes?Get accurate weather forecasts for Rennes, located at latitude 48.112 and longitude -1.674. Stay updated with localized weather information tailored for Rennes.