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

In August, Barcelona averages 30°C high / 24°C low with about 44 mm of rain; San Sebastián averages 25°C high / 19°C low with about 100 mm.

Barcelona vs San Sebastián in August

San Sebastián is the better pick in August — 84 vs 77 on SeasonMap's comfort score. San Sebastián is warm, rainy, clean air, while Barcelona is hot, a little rain.

Barcelona vs San Sebastián — August climate, side by side

	Barcelona	San Sebastián
Comfort score	77/100 (B)	84/100 (A)
Feels-like high	33°C	27°C
Avg high / low	30° / 24°	25° / 19°
Rainfall	44 mm	100 mm
Rainy days	4	10
Humidity	74%	81%
Air quality (AQI)	55	38

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

Barcelona vs San Sebastián in August — FAQ

Is August better in Barcelona or San Sebastián?: San Sebastián is the better pick in August — 84 vs 77 on SeasonMap's comfort score. San Sebastián is warm, rainy, clean air, while Barcelona is hot, a little rain.
What is the weather like in Barcelona vs San Sebastián in August?: In August, Barcelona averages 30°C high / 24°C low with about 44 mm of rain; San Sebastián averages 25°C high / 19°C low with about 100 mm.