What is the weather like in Barcelona vs Bilbao in December?

In December, Barcelona averages 16°C high / 10°C low with about 37 mm of rain; Bilbao averages 16°C high / 7°C low with about 139 mm.

Barcelona vs Bilbao in December

Barcelona is the better pick in December — 80 vs 64 on SeasonMap's comfort score. Barcelona is cool, a little rain, clean air, while Bilbao is cool, rainy, clean air.

Barcelona vs Bilbao — December climate, side by side

	Barcelona	Bilbao
Comfort score	80/100 (A)	64/100 (C)
Feels-like high	14°C	14°C
Avg high / low	16° / 10°	16° / 7°
Rainfall	37 mm	139 mm
Rainy days	4	13
Humidity	80%	79%
Air quality (AQI)	46	33

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Barcelona vs Bilbao in December — FAQ

Is December better in Barcelona or Bilbao?: Barcelona is the better pick in December — 80 vs 64 on SeasonMap's comfort score. Barcelona is cool, a little rain, clean air, while Bilbao is cool, rainy, clean air.
What is the weather like in Barcelona vs Bilbao in December?: In December, Barcelona averages 16°C high / 10°C low with about 37 mm of rain; Bilbao averages 16°C high / 7°C low with about 139 mm.