Åland Islands in December: where is it warmest?
In December, Mariehamn averages 3 °C by day.
All destinations in December, warmest first
Long-term averages for the month: daytime high, sea, sunshine and rainy days.
| Place | Score | Air | Sea | Sun | Rain days |
|---|---|---|---|---|---|
| Mariehamn | 14 | 3° | 4° | 1 h | 11 |
Åland Islands in December: quick answers
Åland Islands in December: where is it warmest?
The warmest places in December are Mariehamn (3 °C).
Åland Islands in December: where is the sea warmest?
The sea is warmest at Mariehamn (4 °C).
Åland Islands in December: where is the weather best?
The best holiday weather in December – warm, sunny and dry – is in Mariehamn.
Åland Islands month by month
Åland Islands: weather & best time to visit
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences