Average temperature in Mariehamn
The mean minimum and maximum temperatures over the year in Mariehamn (Åland Islands), Finland.
- On average, the warmest month is August with 20°C.
- On average, the coolest month is February with 1°C.
- The average annual maximum temperature is 10°C.
- The average annual minimum temperature is 6°C.
Weather Forecasts for Mariehamn
broken clouds and no rain
almost clear and no rain
overcast and slight rain