December · Spain
Best time to visit Bilbao in December Weather, crowds & prices
Weather in Bilbao in December
Average temperature 11°C, 125 mm of rain, about 13 days with 6+ hours of sunshine and 82% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
5.6/10
Ranked #11 of 12 months
- Avg temp
- 11°C
- Rainfall
- 125 mm
- Humidity
- 82%
- Days with 6h+ sun
- 13
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
December in Bilbao scores 5.6/10 for sightseeing and cultural travel - ranked #11 of 12. Expect around 11°C, 125 mm of rain, and roughly 13 days with 6+ hours of sunshine this month.
Bilbao's Guggenheim curves along the Nervión, with the Casco Viejo and Artxanda funicular a short walk or ride away.
December in Bilbao: mixed conditions, plan around the weather
Expect 11°C (51°F) in December. A good month for city streets, viewpoints and long meals; leave swimming for another season.
125 mm of rain signals a properly wet month, with only about 13 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 5.6/10 on the same scale — 11th of 12 months, versus 9.6/10 for the best month here.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella.
Expect low-season pricing, and crowds are light for this destination.
If your dates are flexible, July is materially better in Bilbao — 4 points higher on the same scale.
Frequently asked
- What is the weather like in Bilbao in December?
- In December, Bilbao averages 11°C, 125 mm of rain, and about 13 days with 6+ hours of sunshine. Its climate-comfort score is 5.6/10.
- Is December a good time to visit Bilbao?
- December earns a 5.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Bilbao in December?
- Expect about 125 mm of rain in December. Average humidity is 82% and there are about 13 days with 6+ hours of sunshine.
Curated in Bilbao
Tickets & experiences
Things to do in Bilbao
Bilbao, Spain. Live activities and tours from GetYourGuide, matched to this destination.