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

In January, Mariehamn averages 2°C high / -3°C low with about 57 mm of rain; Oslo averages 1°C high / -4°C low with about 52 mm.

Mariehamn vs Oslo in January

Oslo is the better pick in January — 33 vs 27 on SeasonMap's comfort score. Oslo is freezing, a little rain, clean air, while Mariehamn is freezing, a little rain, clean air.

Mariehamn vs Oslo — January climate, side by side

	Mariehamn	🇳🇴 Oslo
Comfort score	27/100 (F)	33/100 (F)
Feels-like high	-4°C	-3°C
Avg high / low	2° / -3°	1° / -4°
Rainfall	57 mm	52 mm
Rainy days	11	8
Humidity	82%	88%
Air quality (AQI)	30	34

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

Month by month

Mariehamn Åland Islandsfreezing, a little rain, clean air · best July27
Oslo 🇳🇴 Norwayfreezing, a little rain, clean air · best July33

Mariehamn vs Oslo in January — FAQ

Is January better in Mariehamn or Oslo?: Oslo is the better pick in January — 33 vs 27 on SeasonMap's comfort score. Oslo is freezing, a little rain, clean air, while Mariehamn is freezing, a little rain, clean air.
What is the weather like in Mariehamn vs Oslo in January?: In January, Mariehamn averages 2°C high / -3°C low with about 57 mm of rain; Oslo averages 1°C high / -4°C low with about 52 mm.