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

In May, Helsinki averages 15°C high / 7°C low with about 34 mm of rain; Oslo averages 18°C high / 8°C low with about 59 mm.

Helsinki vs Oslo in May

Helsinki and Oslo are nearly tied in May — 81 vs 83 on SeasonMap's comfort score. Helsinki is cool, a little rain, clean air; Oslo is nice, a little rain, clean air.

Helsinki vs Oslo — May climate, side by side

	🇫🇮 Helsinki	🇳🇴 Oslo
Comfort score	81/100 (A)	83/100 (A)
Feels-like high	13°C	16°C
Avg high / low	15° / 7°	18° / 8°
Rainfall	34 mm	59 mm
Rainy days	6	9
Humidity	68%	67%
Air quality (AQI)	48	43

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

Month by month

Helsinki 🇫🇮 Finlandcool, a little rain, clean air · best July81
Oslo 🇳🇴 Norwaynice, a little rain, clean air · best July83

Helsinki vs Oslo in May — FAQ

Is May better in Helsinki or Oslo?: Helsinki and Oslo are nearly tied in May — 81 vs 83 on SeasonMap's comfort score. Helsinki is cool, a little rain, clean air; Oslo is nice, a little rain, clean air.
What is the weather like in Helsinki vs Oslo in May?: In May, Helsinki averages 15°C high / 7°C low with about 34 mm of rain; Oslo averages 18°C high / 8°C low with about 59 mm.