Bizkaia (Bilbao)
December
Weather in Bizkaia for December 2026
Your guide to Bizkaia weather in December - trends and predictions
In general, the average temperature in Bizkaia at the beginning of December is 12.5 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 13.2 °C by the end of December.
Bizkaia in December brings notable rainfall, with an average of 16 rainy days and a total precipitation of 140.5 mm.
Is December a good time to visit Bizkaia? check out the best time to travel to Bizkaia page.
✨ Is December a good time to visit Bizkaia? – Ask the AI Weatherman
Temperatures
Rain 🌧️
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15
Dry days
16
Rainy days
0
Snow days
13°/8°
Temperatures
17 km/h
Avg max wind
78 %
Avg humidity
Bizkaia Weather December
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Temperatures trend during December in Bizkaia
See the weather trend as well as the moving average line
December weather in Bizkaia day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Moderate or heavy rain shower | 13° /8° | 5.6 mm | 1.5 | |
| 2 Dec. |  Light rain | 10° /8° | 8.4 mm | 1.5 | |
| 3 Dec. | Moderate rain at times | 12° /7° | 5 mm | 1.5 | |
| 4 Dec. |  Moderate rain | 12° /8° | 11.1 mm | 1.5 | |
| 5 Dec. | Moderate rain | 13° /8° | 10.2 mm | 1.4 | |
| 6 Dec. |  Patchy rain possible | 14° /9° | 2.3 mm | 1.4 | |
| 7 Dec. | Moderate or heavy rain shower | 14° /9° | 7.2 mm | 1.4 | |
| 8 Dec. | Moderate rain | 11° /8° | 11 mm | 1.4 | |
| 9 Dec. | Moderate rain | 14° /9° | 13.9 mm | 1.4 | |
| 10 Dec. | Light rain | 12° /9° | 8.9 mm | 1.4 | |
| 11 Dec. | Light rain | 12° /8° | 5.3 mm | 1.4 | |
| 12 Dec. |  Heavy rain at times | 13° /8° | 5.2 mm | 1.4 | |
| 13 Dec. | Light rain | 13° /9° | 3 mm | 1.4 | |
| 14 Dec. | Light rain | 14° /9° | 3.1 mm | 1.3 | |
| 15 Dec. | Light rain | 13° /9° | 2.7 mm | 1.3 | |
| 16 Dec. | Patchy rain possible | 13° /8° | 1.6 mm | 1.3 | |
| 17 Dec. |  Sunny | 14° /8° | 0.7 mm | 1.3 | |
| 18 Dec. | Sunny | 15° /8° | 0.2 mm | 1.3 | |
| 19 Dec. | Light rain | 14° /8° | 5.5 mm | 1.3 | |
| 20 Dec. | Light rain | 13° /9° | 4.8 mm | 1.3 | |
| 21 Dec. | Light rain | 14° /9° | 3.5 mm | 1.3 | |
| 22 Dec. | Patchy rain possible | 15° /10° | 1.6 mm | 1.3 | |
| 23 Dec. | Light rain shower | 14° /9° | 2.3 mm | 1.3 | |
| 24 Dec. | Patchy rain possible | 13° /9° | 2 mm | 1.3 | |
| 25 Dec. | Patchy rain possible | 12° /8° | 1.8 mm | 1.3 | |
| 26 Dec. | Patchy rain possible | 12° /7° | 1.9 mm | 1.3 | |
| 27 Dec. | Light rain | 14° /8° | 2.7 mm | 1.3 | |
| 28 Dec. | Patchy rain possible | 14° /9° | 2 mm | 1.3 | |
| 29 Dec. | Patchy rain possible | 13° /8° | 2.1 mm | 1.4 | |
| 30 Dec. | Patchy rain possible | 14° /8° | 1.5 mm | 1.4 | |
| 31 Dec. | Light rain | 14° /8° | 3.3 mm | 1.4 | |
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Important Notice
Our weather forecast for Bizkaia 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 Bizkaia forecast closer to your planned date for the most up-to-date weather information.
Change Month
Bizkaia weather in December vs November vs January
Compare December weather in Bizkaia 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 | 16°/10° | 13°/8° | 12°/6° |
| Rainfall | 169 mm | 141 mm | 129 mm |
| Wind | 16.5 km/h | 16.6 km/h | 16.8 km/h |
| Humidity | 76% | 78% | 76% |
| Rainy days | 16 days | 16 days | 16 days |
| Dry days | 14 days | 15 days | 15 days |
Planning a trip to Bizkaia? Discover the best time to visit
Bizkaia in December - FAQ
What are the expected maximum and minimum temperatures in Bizkaia during December?
During December, expect a variety of temperatures with highs around 13° and lows near 8°, suitable for diverse activities and preferences.
How much rainfall should be expected in Bizkaia during December?
Significant rainfall exceeding 140.5 mm is expected in Bizkaia during December, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Bizkaia during December?
The average wind speed in Bizkaia during December is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Bizkaia
Explore the daily rainfall trends and prepare for Bizkaias December weather 💧
Typically, Bizkaia has 16 rainy days in December with a total of 140.5 mm of rainfall.
What to pack to Bizkaia in December?
Mild · highs around 13 °C, frequent showers
As you prepare for your trip to Bizkaia 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 Bizkaia, during December, is comfortable and enjoyable, regardless of the weather conditions.
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