Brittany (Brest)
December
Weather in Brittany for December 2026
Your guide to Brittany weather in December - trends and predictions
In general, the average temperature in Brittany at the beginning of December is 10.5 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 10 °C by the end of December.
Brittany in December brings notable rainfall, with an average of 18 rainy days and a total precipitation of 136 mm.
Is December a good time to visit Brittany? check out the best time to travel to Brittany page.
✨ Is December a good time to visit Brittany? – Ask the AI Weatherman
Temperatures
Rain 🌧️
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13
Dry days
18
Rainy days
0
Snow days
10°/7°
Temperatures
32 km/h
Avg max wind
81 %
Avg humidity
Brittany Weather December
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What’s the Weather Like in Brittany This December?
Discover the average temperatures and weather trends across Brittany’s cities this December.
Temperatures trend during December in Brittany
See the weather trend as well as the moving average line
December weather in Brittany day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Light rain | 11° /8° | 5.3 mm | 0.9 | |
| 2 Dec. | Light rain | 9° /5° | 2.7 mm | 0.9 | |
| 3 Dec. | Light rain | 10° /6° | 7.6 mm | 0.9 | |
| 4 Dec. | Light rain | 10° /6° | 5.3 mm | 0.8 | |
| 5 Dec. | Light rain | 11° /6° | 4.4 mm | 0.8 | |
| 6 Dec. |  Patchy rain possible | 11° /6° | 1.5 mm | 0.8 | |
| 7 Dec. |  Moderate or heavy rain shower | 12° /8° | 9.1 mm | 0.8 | |
| 8 Dec. | Light rain | 10° /7° | 2.8 mm | 0.8 | |
| 9 Dec. | Light rain | 10° /7° | 6.6 mm | 0.8 | |
| 10 Dec. | Light rain | 10° /6° | 3.4 mm | 0.8 | |
| 11 Dec. | Patchy rain possible | 11° /7° | 2.4 mm | 0.8 | |
| 12 Dec. | Patchy rain possible | 9° /7° | 1.4 mm | 0.8 | |
| 13 Dec. | Light rain | 10° /6° | 3.4 mm | 0.8 | |
| 14 Dec. | Light rain | 11° /7° | 3 mm | 0.8 | |
| 15 Dec. | Light rain | 11° /7° | 2.9 mm | 0.8 | |
| 16 Dec. | Patchy rain possible | 10° /6° | 1.7 mm | 0.8 | |
| 17 Dec. | Patchy rain possible | 10° /6° | 1.7 mm | 0.7 | |
| 18 Dec. |  Moderate rain | 12° /8° | 14.3 mm | 0.7 | |
| 19 Dec. | Light rain | 12° /8° | 5.1 mm | 0.7 | |
| 20 Dec. | Light rain | 11° /7° | 3.8 mm | 0.7 | |
| 21 Dec. | Light rain | 11° /7° | 4 mm | 0.7 | |
| 22 Dec. | Moderate or heavy rain shower | 11° /8° | 5.8 mm | 0.7 | |
| 23 Dec. | Moderate rain at times | 12° /8° | 5.5 mm | 0.7 | |
| 24 Dec. | Patchy rain possible | 11° /8° | 2.4 mm | 0.7 | |
| 25 Dec. | Patchy rain possible | 10° /7° | 1.9 mm | 0.8 | |
| 26 Dec. | Patchy rain possible | 10° /6° | 1 mm | 0.8 | |
| 27 Dec. | Moderate or heavy rain shower | 11° /6° | 6.3 mm | 0.8 | |
| 28 Dec. | Light rain | 10° /7° | 3.9 mm | 0.8 | |
| 29 Dec. | Light rain | 10° /7° | 4.4 mm | 0.8 | |
| 30 Dec. |  Heavy rain at times | 11° /7° | 6 mm | 0.8 | |
| 31 Dec. | Light rain | 10° /7° | 6.6 mm | 0.8 | |
| Next | |||||
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.
Change Month
Brittany weather in December vs November vs January
Compare December weather in Brittany with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
| November | December | January | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 13°/9° | 10°/7° | 9°/5° |
| Rainfall | 120 mm | 136 mm | 129 mm |
| Snowfall | 1 cm | 0 cm | 0 cm |
| Wind | 30.9 km/h | 32.3 km/h | 29.5 km/h |
| Humidity | 81% | 81% | 82% |
| Rainy days | 18 days | 18 days | 17 days |
| Snow days | 0 days | 0 days | 1 days |
| Dry days | 12 days | 13 days | 13 days |
Planning a trip to Brittany? Discover the best time to visit
Brittany in December - FAQ
What are the expected maximum and minimum temperatures in Brittany during December?
During December, expect a variety of temperatures with highs around 10° and lows near 7°, suitable for diverse activities and preferences.
How much rainfall should be expected in Brittany during December?
Significant rainfall exceeding 136 mm is expected in Brittany during December, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Brittany during December?
The average wind speed in Brittany during December is 32 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Brittany
Explore the daily rainfall trends and prepare for Brittanys December weather 💧
Typically, Brittany has 18 rainy days in December with a total of 136 mm of rainfall.
What to pack to Brittany in December?
Cold & raw · highs around 10 °C, frequent showers
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.
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