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

In May, Mariehamn averages 13°C high / 5°C low with about 30 mm of rain; Oslo averages 18°C high / 8°C low with about 59 mm.

Mariehamn vs Oslo in May

Oslo is the better pick in May — 83 vs 76 on SeasonMap's comfort score. Oslo is nice, a little rain, clean air, while Mariehamn is cool, dry, clean air.

Mariehamn vs Oslo — May climate, side by side

	Mariehamn	🇳🇴 Oslo
Comfort score	76/100 (B)	83/100 (A)
Feels-like high	10°C	16°C
Avg high / low	13° / 5°	18° / 8°
Rainfall	30 mm	59 mm
Rainy days	5	9
Humidity	75%	67%
Air quality (AQI)	39	43

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

Month by month

Mariehamn Åland Islandscool, dry, clean air · best July76
Oslo 🇳🇴 Norwaynice, a little rain, clean air · best July83

Mariehamn vs Oslo in May — FAQ

Is May better in Mariehamn or Oslo?: Oslo is the better pick in May — 83 vs 76 on SeasonMap's comfort score. Oslo is nice, a little rain, clean air, while Mariehamn is cool, dry, clean air.
What is the weather like in Mariehamn vs Oslo in May?: In May, Mariehamn averages 13°C high / 5°C low with about 30 mm of rain; Oslo averages 18°C high / 8°C low with about 59 mm.