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

In August, Porto averages 25°C high / 15°C low with about 11 mm of rain; San Sebastián averages 25°C high / 19°C low with about 100 mm.

Porto vs San Sebastián in August

Porto is the better pick in August — 95 vs 84 on SeasonMap's comfort score. Porto is warm, dry, clean air, while San Sebastián is warm, rainy, clean air.

Porto vs San Sebastián — August climate, side by side

	🇵🇹 Porto	🇪🇸 San Sebastián
Comfort score	95/100 (S)	84/100 (A)
Feels-like high	26°C	27°C
Avg high / low	25° / 15°	25° / 19°
Rainfall	11 mm	100 mm
Rainy days	2	10
Humidity	73%	81%
Air quality (AQI)	41	38

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

Month by month

Porto 🇵🇹 Portugalwarm, dry, clean air · best August95
San Sebastián 🇪🇸 Spainwarm, rainy, clean air · best July84

Porto vs San Sebastián in August — FAQ

Is August better in Porto or San Sebastián?: Porto is the better pick in August — 95 vs 84 on SeasonMap's comfort score. Porto is warm, dry, clean air, while San Sebastián is warm, rainy, clean air.
What is the weather like in Porto vs San Sebastián in August?: In August, Porto averages 25°C high / 15°C low with about 11 mm of rain; San Sebastián averages 25°C high / 19°C low with about 100 mm.