Bilbao Weather in December
Thinking of visiting Bilbao in December? Expect moderate temperatures reaching 13°C (55°F) during the day, dropping to 7°C (45°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Bilbao in December
You can typically expect 18 days of rain this month, averaging around 115 mm (4.5 in). Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Bilbao in December
Daytime highs in Bilbao in December reach 13°C (55°F), with nights around 7°C (45°F). The winter season takes place during December. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights fall to 7°C (45°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Bilbao in December
This month is characterized by fewer sunny days, with about 78 hours of sunshine. It's great for those who appreciate cooler, less sunny days.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Bilbao.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Spain, check out our Bilbao's climate page.
Bilbao Temperature in December
Min Temperature
7°C (45°F)
Max Temperature
13°C (55°F)
Chance of Rain
59%
Precipitation
115 mm (4.5 in)
Rainy days
18 days
Humidity
72%
Sunshine
78 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Bilbao typically stay consistent throughout December, with daily highs averaging around 13°C (55°F). Nights are cold, with lows typically ranging from 4°C (39°F) to 7°C (45°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Bilbao in December
Browse day-by-day weather records for Bilbao spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Bilbao historical weather extremes in December
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Bilbao.
- On December 7, 2000, temperatures climbed to 25°C (77°F), marking the warmest December day on record.
- On December 28, 2005, Bilbao saw its coldest December day with temperatures maxing out at 3°C (37°F).
- Nighttime temperatures dropped to -10°C (14°F) on December 25, 2001, marking the coldest December night on record.
Best Places in Spain in December
Find out more about the weather in Spain and which places have the best travel conditions in this month. See all of Spain in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Bilbao in December
The weather can swing between comfortable and chilly in December, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. With limited sunshine expected, sunglasses aren't a priority for packing.What To Do in Bilbao in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Spain, check out our Bilbao's climate page.
Temperature Rainfall Sunshine Humidity
See the full Bilbao climate overview or explore weather in Spain.
