What is the weather like in Barcelona vs San Sebastián in December?

In December, Barcelona averages 16°C high / 10°C low with about 37 mm of rain; San Sebastián averages 15°C high / 10°C low with about 164 mm.

Barcelona vs San Sebastián in December

Barcelona is the better pick in December — 80 vs 63 on SeasonMap's comfort score. Barcelona is cool, a little rain, clean air, while San Sebastián is cool, soaked, clean air.

Barcelona vs San Sebastián — December climate, side by side

	Barcelona	San Sebastián
Comfort score	80/100 (A)	63/100 (C)
Feels-like high	14°C	13°C
Avg high / low	16° / 10°	15° / 10°
Rainfall	37 mm	164 mm
Rainy days	4	13
Humidity	80%	80%
Air quality (AQI)	46	39

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

Barcelona vs San Sebastián in December — FAQ

Is December better in Barcelona or San Sebastián?: Barcelona is the better pick in December — 80 vs 63 on SeasonMap's comfort score. Barcelona is cool, a little rain, clean air, while San Sebastián is cool, soaked, clean air.
What is the weather like in Barcelona vs San Sebastián in December?: In December, Barcelona averages 16°C high / 10°C low with about 37 mm of rain; San Sebastián averages 15°C high / 10°C low with about 164 mm.