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

In January, Helsinki averages 0°C high / -5°C low with about 59 mm of rain; Mariehamn averages 2°C high / -3°C low with about 57 mm.

Helsinki vs Mariehamn in January

Helsinki and Mariehamn are nearly tied in January — 30 vs 27 on SeasonMap's comfort score. Helsinki is freezing, a little rain, clean air; Mariehamn is freezing, a little rain, clean air.

Helsinki vs Mariehamn — January climate, side by side

	🇫🇮 Helsinki	Mariehamn
Comfort score	30/100 (F)	27/100 (F)
Feels-like high	-5°C	-4°C
Avg high / low	0° / -5°	2° / -3°
Rainfall	59 mm	57 mm
Rainy days	12	11
Humidity	88%	82%
Air quality (AQI)	30	30

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

Month by month

Helsinki vs Mariehamn in January — FAQ

Is January better in Helsinki or Mariehamn?: Helsinki and Mariehamn are nearly tied in January — 30 vs 27 on SeasonMap's comfort score. Helsinki is freezing, a little rain, clean air; Mariehamn is freezing, a little rain, clean air.
What is the weather like in Helsinki vs Mariehamn in January?: In January, Helsinki averages 0°C high / -5°C low with about 59 mm of rain; Mariehamn averages 2°C high / -3°C low with about 57 mm.