Brittany (Rennes)
December
Weather in Brittany for December 2025
Your guide to Brittany weather in December - trends and predictions
Snowfall in Brittany during December is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in Brittany at the beginning of December is 9.7 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 11 °C by the end of December.
Brittany experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 85 mm.
Is December a good time to visit Brittany? check out the best time to travel to Brittany page.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
More
5
Dry days
25
Rainy days
1
Snow days
10°/4°
Temperatures
25 km/h
Avg max wind
84 %
Avg humidity
Brittany in December average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  11° | 2 8° | 3  9° | 4 10° | 5  10° | 6 10° | 7 10° |
| 8  8° | 9 10° | 10 9° | 11 9° | 12  9° | 13 9° | 14 9° |
| 15 9° | 16  9° | 17  9° | 18 11° | 19 12° | 20 10° | 21 12° |
| 22 12° | 23 12° | 24 12° | 25 11° | 26 11° | 27 11° | 28 10° |
| 29 11° | 30 11° | 31 12° |
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Temperatures trend during December in Brittany
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. | Moderate rain at times | 11° /4° | 1.2 mm | 0 cm | |
| 2 Dec. | Moderate rain at times | 8° /2° | 0.5 mm | 0 cm | |
| 3 Dec. | Heavy rain at times | 9° /1° | 3 mm | 0 cm | |
| 4 Dec. | Heavy rain at times | 10° /3° | 2.3 mm | 0 cm | |
| 5 Dec. | Patchy rain possible | 10° /4° | 1.3 mm | 0 cm | |
| 6 Dec. | Moderate rain at times | 10° /2° | 0.9 mm | 0 cm | |
| 7 Dec. | Moderate or heavy rain shower | 10° /3° | 3.4 mm | 0 cm | |
| 8 Dec. | Cloudy | 8° /3° | 1.4 mm | 0 cm | |
| 9 Dec. | Patchy rain possible | 10° /3° | 4.9 mm | 0 cm | |
| 10 Dec. | Patchy rain possible | 9° /3° | 2.8 mm | 0 cm | |
| 11 Dec. | Patchy rain possible | 9° /4° | 3.4 mm | 0 cm | |
| 12 Dec. | Overcast | 9° /4° | 2.5 mm | 0 cm | |
| 13 Dec. | Overcast | 9° /3° | 1.6 mm | 0.2 cm | |
| 14 Dec. | Patchy rain possible | 9° /3° | 2 mm | 0 cm | |
| 15 Dec. | Overcast | 9° /3° | 0.5 mm | 0 cm | |
| 16 Dec. | Partly cloudy | 9° /3° | 0.6 mm | 0 cm | |
| 17 Dec. | Sunny | 9° /2° | 0 mm | 0 cm | |
| 18 Dec. | Overcast | 11° /3° | 2.5 mm | 0.1 cm | |
| 19 Dec. | Moderate or heavy rain shower | 12° /5° | 7.3 mm | 0 cm | |
| 20 Dec. | Patchy rain possible | 10° /4° | 2.2 mm | 0 cm | |
| 21 Dec. | Heavy rain at times | 12° /5° | 2.3 mm | 0 cm | |
| 22 Dec. | Heavy rain at times | 12° /6° | 5.2 mm | 0 cm | |
| 23 Dec. | Moderate or heavy rain shower | 12° /6° | 5.6 mm | 0 cm | |
| 24 Dec. | Patchy rain possible | 12° /6° | 1.7 mm | 0 cm | |
| 25 Dec. | Patchy rain possible | 11° /7° | 2.1 mm | 0 cm | |
| 26 Dec. | Overcast | 11° /5° | 0.5 mm | 0 cm | |
| 27 Dec. | Moderate or heavy rain shower | 11° /4° | 5.5 mm | 0 cm | |
| 28 Dec. | Heavy rain at times | 10° /5° | 1.9 mm | 0 cm | |
| 29 Dec. | Patchy rain possible | 11° /5° | 1.3 mm | 0 cm | |
| 30 Dec. | Patchy rain possible | 11° /5° | 2.9 mm | 0 cm | |
| 31 Dec. | Patchy rain possible | 12° /5° | 2.1 mm | 0 cm | |
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Important Notice
Our weather forecast for Brittany in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Brittany forecast closer to your planned date for the most up-to-date weather information.
Brittany in December - FAQ
What are the expected maximum and minimum temperatures in Brittany during December?
Prepare for cooler days with highs just around 10° and colder nights, dipping below 4°.
How much rainfall should be expected in Brittany during December?
Moderate rainfall is anticipated in Brittany during December, with a total of 85 mm spread over approximately 25 days. Considering plans for rainy days is advisable.
Will it snow in Brittany in December 2025?
Brittany typically sees 0.3125 cm of snowfall during December.
What are the typical wind conditions in Brittany during December?
The average wind speed in Brittany during December is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Brittany in December?
As you prepare for your trip to Brittany 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 Brittany, during December, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
Brittany snow forecast December 2025
Track daily snowfall levels and discover Brittany’s snowy potential this December ❄️
December rainfall patterns in Brittany
Explore the daily rainfall trends and prepare for Brittanys December weather 💧
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