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Weather in Bilbao for December 2025

Your guide to Bilbao weather in December - trends and predictions

    Temperatures

  • So far, December 2025 in Bilbao is slightly warmer than the historical average by 1.1 °C.

  • Expect cooler weather in the next days in Bilbao with the forecast suggesting a temperature of 11.9 °C, lower than the historical average.

  • In general, the average temperature in Bilbao at the beginning of December is 13 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 12.4 °C by the end of December.

    • Rain 🌧️

  • Bilbao experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 147.3 mm.

    • More

  • Is December a good time to visit Bilbao? check out the best time to travel to Bilbao page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
2
Dry days
Average rainy days
29
Rainy days
Average snowy days
0
Snow days
Average temperatures
13°/8°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Bilbao Weather December

Move between months or click on a day
November
January
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Moderate or heavy rain shower
14°
2
Light rain shower
11°
3
Moderate rain at times
12°
4
Light rain shower
12°
5
Moderate or heavy rain shower
13°
6
Overcast
14°
7
Moderate or heavy rain shower
15°
8
Light rain shower
12°
9
Moderate or heavy rain shower
14°
10
Light rain shower
13°
11
Overcast
12°
12
Heavy rain at times
13°
13
Partly cloudy
14°
14
Patchy rain possible
15°
15
Sunny
15°
16
Patchy rain possible
12°
17
Patchy rain possible
11°
18
Sunny
15°
19
Moderate rain
12°
20
Patchy rain possible
9°
21
Partly cloudy
10°
22
Sunny
12°
23
Patchy rain possible
14°
24
Patchy rain possible
13°
25
Patchy rain possible
12°
26
Patchy rain possible
11°
27
Patchy rain possible
10°
28
Patchy rain possible
11°
29
Patchy rain possible
13°
30
Sunny
15°
31
Partly cloudy
15°

Temperatures trend during December in Bilbao

See the weather trend as well as the moving average line

December weather in Bilbao day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /8° 5.6 mm 4
2 Dec. Light rain shower
Light rain shower
 11° /7° 8.4 mm 3
3 Dec. Moderate rain at times
Moderate rain at times
 12° /7° 5 mm 3
4 Dec. Light rain shower
Light rain shower
 12° /8° 11.1 mm 3
5 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 13° /7° 10.2 mm 3
6 Dec. Overcast
Overcast
 14° /9° 2.3 mm 3
7 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /9° 7.2 mm 4
8 Dec. Light rain shower
Light rain shower
 12° /8° 11 mm 3
9 Dec. Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /9° 13.9 mm 3
10 Dec. Light rain shower
Light rain shower
 13° /8° 8.9 mm 3
11 Dec. Overcast
Overcast
 12° /8° 5.3 mm 3
12 Dec. Heavy rain at times
Heavy rain at times
 13° /8° 5.2 mm 3
13 Dec. Partly cloudy
Partly cloudy
 14° /8° 3 mm 4
14 Dec. Patchy rain possible
Patchy rain possible
 15° /9° 3.1 mm 4
15 Dec. Sunny
Sunny
 15° /7° 0 mm 0.2
16 Dec. Patchy rain possible
Patchy rain possible
 12° /9° 2.3 mm 0.1
17 Dec. Patchy rain possible
Patchy rain possible
 11° /8° 1 mm 0.1
18 Dec. Sunny
Sunny
 15° /7° 0 mm 0.2
19 Dec. Moderate rain
Moderate rain
 12° /8° 7.7 mm 0.1
20 Dec. Patchy rain possible
Patchy rain possible
 9° /8° 1.6 mm 2
21 Dec. Partly cloudy
Partly cloudy
 10° /5° 0 mm 3
22 Dec. Sunny
Sunny
 12° /5° 0 mm 3
23 Dec. Patchy rain possible
Patchy rain possible
 14° /10° 0.2 mm 3
24 Dec. Patchy rain possible
Patchy rain possible
 13° /10° 1.9 mm 3
25 Dec. Patchy rain possible
Patchy rain possible
 12° /9° 1.2 mm 3
26 Dec. Patchy rain possible
Patchy rain possible
 11° /8° 1.1 mm 2
27 Dec. Patchy rain possible
Patchy rain possible
 10° /8° 1.6 mm 2
28 Dec. Patchy rain possible
Patchy rain possible
 11° /8° 0.8 mm 2
29 Dec. Patchy rain possible
Patchy rain possible
 13° /8° 2.6 mm 3
30 Dec. Sunny
Sunny
 15° /7° 1.5 mm 4
31 Dec. Partly cloudy
Partly cloudy
 15° /8° 3.9 mm 4
Next
Important Notice
Our weather forecast for Bilbao 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 Bilbao forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Bilbao weather in December vs November vs January

Compare December weather in Bilbao with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
NovemberDecemberJanuary
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures16°/10°13°/8°12°/7°
Rainfall174 mm147 mm123 mm
Wind16.2 km/h16.9 km/h16 km/h
Humidity77%77%75%
Rainy days27 days29 days27 days
Dry days3 days2 days4 days

Planning a trip to Bilbao? Discover the best time to visit

Bilbao in December - FAQ

What are the expected maximum and minimum temperatures in Bilbao 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 Bilbao during December?
Significant rainfall exceeding 147.3 mm is expected in Bilbao during December, occurring over more than 29 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Bilbao during December?
The average wind speed in Bilbao during December is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Bilbao in December?

As you prepare for your trip to Bilbao 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 Bilbao, 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

December rainfall patterns in Bilbao

Explore the daily rainfall trends and prepare for Bilbaos December weather 💧
Typically, Bilbao has 29 rainy days in December with a total of 147.3 mm of rainfall.

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Get accurate weather forecasts for Bilbao, located at latitude 43.263 and longitude -2.925. Stay updated with localized weather information tailored for Bilbao.

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