What is the weather like in Bilbao vs Porto in May?

In May, Bilbao averages 22°C high / 11°C low with about 75 mm of rain; Porto averages 21°C high / 12°C low with about 80 mm.

Bilbao vs Porto 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 Porto is nice, a little rain, clean air.

Bilbao vs Porto — May climate, side by side

	🇪🇸 Bilbao	🇵🇹 Porto
Comfort score	90/100 (S)	86/100 (A)
Feels-like high	21°C	21°C
Avg high / low	22° / 11°	21° / 12°
Rainfall	75 mm	80 mm
Rainy days	11	10
Humidity	81%	77%
Air quality (AQI)	42	45

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

Month by month

Bilbao 🇪🇸 Spainnice, a little rain, clean air · best June90
Porto 🇵🇹 Portugalnice, a little rain, clean air · best August86

Bilbao vs Porto in May — FAQ

Is May better in Bilbao or Porto?: Bilbao is the better pick in May — 90 vs 86 on SeasonMap's comfort score. Bilbao is nice, a little rain, clean air, while Porto is nice, a little rain, clean air.
What is the weather like in Bilbao vs Porto in May?: In May, Bilbao averages 22°C high / 11°C low with about 75 mm of rain; Porto averages 21°C high / 12°C low with about 80 mm.