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

In August, Helsinki averages 21°C high / 14°C low with about 82 mm of rain; Mariehamn averages 19°C high / 13°C low with about 70 mm.

Helsinki vs Mariehamn in August

Helsinki is the better pick in August — 87 vs 80 on SeasonMap's comfort score. Helsinki is nice, rainy, clean air, while Mariehamn is nice, a little rain, clean air.

Helsinki vs Mariehamn — August climate, side by side

	🇫🇮 Helsinki	Mariehamn
Comfort score	87/100 (A)	80/100 (A)
Feels-like high	20°C	18°C
Avg high / low	21° / 14°	19° / 13°
Rainfall	82 mm	70 mm
Rainy days	11	10
Humidity	79%	79%
Air quality (AQI)	38	37

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

Month by month

Helsinki 🇫🇮 Finlandnice, rainy, clean air · best July87
Mariehamn Åland Islandsnice, a little rain, clean air · best July80

Helsinki vs Mariehamn in August — FAQ

Is August better in Helsinki or Mariehamn?: Helsinki is the better pick in August — 87 vs 80 on SeasonMap's comfort score. Helsinki is nice, rainy, clean air, while Mariehamn is nice, a little rain, clean air.
What is the weather like in Helsinki vs Mariehamn in August?: In August, Helsinki averages 21°C high / 14°C low with about 82 mm of rain; Mariehamn averages 19°C high / 13°C low with about 70 mm.