What is the weather like in Bilbao vs San Sebastián in May?

In May, Bilbao averages 22°C high / 11°C low with about 75 mm of rain; San Sebastián averages 20°C high / 13°C low with about 116 mm.

Bilbao vs San Sebastián in May

Bilbao is the better pick in May — 90 vs 86 on SeasonMap's comfort score. Bilbao is nice, a little rain, clean air, while San Sebastián is nice, rainy, clean air.

Bilbao vs San Sebastián — May climate, side by side

	🇪🇸 Bilbao	🇪🇸 San Sebastián
Comfort score	90/100 (S)	86/100 (A)
Feels-like high	21°C	20°C
Avg high / low	22° / 11°	20° / 13°
Rainfall	75 mm	116 mm
Rainy days	11	13
Humidity	81%	80%
Air quality (AQI)	42	41

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

Month by month

Bilbao vs San Sebastián in May — FAQ

Is May better in Bilbao or San Sebastián?: Bilbao is the better pick in May — 90 vs 86 on SeasonMap's comfort score. Bilbao is nice, a little rain, clean air, while San Sebastián is nice, rainy, clean air.
What is the weather like in Bilbao vs San Sebastián in May?: In May, Bilbao averages 22°C high / 11°C low with about 75 mm of rain; San Sebastián averages 20°C high / 13°C low with about 116 mm.