What is the weather like in Helsinki vs London in May?

In May, Helsinki averages 15°C high / 7°C low with about 34 mm of rain; London averages 19°C high / 10°C low with about 53 mm.

Helsinki vs London in May

London is the better pick in May — 86 vs 81 on SeasonMap's comfort score. London is nice, a little rain, clean air, while Helsinki is cool, a little rain, clean air.

Helsinki vs London — May climate, side by side

	Helsinki	London
Comfort score	81/100 (A)	86/100 (A)
Feels-like high	13°C	17°C
Avg high / low	15° / 7°	19° / 10°
Rainfall	34 mm	53 mm
Rainy days	6	10
Humidity	68%	74%
Air quality (AQI)	48	46

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

Helsinki vs London in May — FAQ

Is May better in Helsinki or London?: London is the better pick in May — 86 vs 81 on SeasonMap's comfort score. London is nice, a little rain, clean air, while Helsinki is cool, a little rain, clean air.
What is the weather like in Helsinki vs London in May?: In May, Helsinki averages 15°C high / 7°C low with about 34 mm of rain; London averages 19°C high / 10°C low with about 53 mm.