When planning a visit to the Åland Islands in Finland, it helps to know that temperatures typically range from 1°C (34°F) in February up to 20°C (68°F) during the peak of August. Our detailed climate overview is based on data from Mariehamn, the region's most well-known city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
In the Åland Islands, during the months of July and August you can expect comfortable weather, with average temperatures ranging from 20°C (68°F) to 20°C (68°F).
The colder weather is most prominent in the months of January, February, March, April, November and December.
Precipitation in the Åland Islands remains relatively steady throughout the year, ranging from 66 mm (2.6 in) in October to 32 mm (1.3 in) in March.