Weather in Biarritz for December 2026
In general, the average temperature in Biarritz at the beginning of December is 12.2 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 11.2 °C by the end of December.
The climate of Biarritz in December is notably wet, with an average of 14 rainy days, and a total of 160.4 mm of precipitation.
Is December a good time to visit Biarritz? check out the best time to travel to Biarritz page.
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Biarritz Weather December
Temperatures trend during December in Biarritz
December weather in Biarritz day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Light rain | 14° /8° | 8.5 mm | 1.5 | |
| 2 Dec. |  Moderate rain | 11° /8° | 10.2 mm | 1.5 | |
| 3 Dec. | Light rain | 12° /7° | 9.1 mm | 1.4 | |
| 4 Dec. | Moderate rain | 11° /8° | 20.9 mm | 1.4 | |
| 5 Dec. | Light rain | 12° /8° | 8.7 mm | 1.4 | |
| 6 Dec. | Light rain | 13° /10° | 4.1 mm | 1.4 | |
| 7 Dec. | Light rain | 13° /9° | 7.6 mm | 1.4 | |
| 8 Dec. | Moderate rain | 13° /9° | 14.7 mm | 1.4 | |
| 9 Dec. | Light rain | 13° /8° | 3.8 mm | 1.4 | |
| 10 Dec. |  Patchy rain possible | 11° /9° | 1.2 mm | 1.3 | |
| 11 Dec. |  Partly cloudy | 13° /8° | 0.1 mm | 1.3 | |
| 12 Dec. | Light rain | 12° /8° | 4 mm | 1.3 | |
| 13 Dec. | Light rain | 12° /8° | 8.3 mm | 1.3 | |
| 14 Dec. | Light rain | 13° /8° | 8.9 mm | 1.3 | |
| 15 Dec. | Light rain | 13° /8° | 4 mm | 1.3 | |
| 16 Dec. |  Sunny | 12° /7° | 0.1 mm | 1.3 | |
| 17 Dec. | Sunny | 12° /6° | 0.6 mm | 1.3 | |
| 18 Dec. | Sunny | 14° /8° | 0 mm | 1.3 | |
| 19 Dec. | Light rain | 12° /8° | 6.9 mm | 1.3 | |
| 20 Dec. | Light rain | 12° /8° | 4.4 mm | 1.3 | |
| 21 Dec. | Moderate rain | 12° /8° | 15.6 mm | 1.3 | |
| 22 Dec. | Light rain | 12° /9° | 5.2 mm | 1.3 | |
| 23 Dec. | Light rain | 11° /8° | 5.5 mm | 1.3 | |
| 24 Dec. | Patchy rain possible | 11° /6° | 1.5 mm | 1.3 | |
| 25 Dec. | Sunny | 9° /5° | 0.1 mm | 1.3 | |
| 26 Dec. | Sunny | 10° /6° | 0.1 mm | 1.3 | |
| 27 Dec. | Sunny | 13° /7° | 0 mm | 1.3 | |
| 28 Dec. |  Overcast | 12° /7° | 0 mm | 1.3 | |
| 29 Dec. | Overcast | 12° /7° | 0.7 mm | 1.3 | |
| 30 Dec. | Partly cloudy | 12° /6° | 0.6 mm | 1.3 | |
| 31 Dec. | Light rain | 10° /5° | 5 mm | 1.3 | |
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Biarritz weather in December vs November vs January
| November | December | January | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 15°/10° | 12°/8° | 11°/6° |
| Rainfall | 179 mm | 160 mm | 162 mm |
| Snowfall | 0 cm | 0 cm | 1 cm |
| Wind | 20.4 km/h | 17.9 km/h | 20.1 km/h |
| Humidity | 77% | 80% | 78% |
| Rainy days | 14 days | 14 days | 15 days |
| Snow days | 0 days | 0 days | 0 days |
| Dry days | 16 days | 17 days | 16 days |
Planning a trip to Biarritz? Discover the best time to visit
Biarritz in December - FAQ
What are the expected maximum and minimum temperatures in Biarritz during December?
How much rainfall should be expected in Biarritz during December?
Will it snow in Biarritz in December 2026?
What are the typical wind conditions in Biarritz during December?
Biarritz water temperatures in December
The average water temperature of the Atlantic Ocean near Biarritz in December is 13.7 °C. At the beginning of December temperatures are around 13.9 °C; by the end of the month they stay fairly steady and reach 13.6 °C.
- What is the water temperature in Biarritz in December?
- The average water temperature in Biarritz in December is 13.7 °C.
- Can you swim in Biarritz in December?
- Cold enough that you lose heat fast. A full 4–5 mm wetsuit (plus hood/gloves for comfort) is advisable for anything beyond a brief plunge.
December rainfall patterns in Biarritz
What to pack to Biarritz in December?
Mild · highs around 12 °C, frequent showers
As you prepare for your trip to Biarritz 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 Biarritz, during December, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
Where is Biarritz?Get accurate weather forecasts for Biarritz, located at latitude 43.481 and longitude -1.557. Stay updated with localized weather information tailored for Biarritz.