Weather in Mariehamn in december
Climate normals based on 10 years of historical data for Mariehamn, Åland.
Average high
4°C
Average low
1°C
Rainfall
56 mm
13 rainy days
Sunshine
0.8h/day
Luftfuktighet
81%
How Hot Is Mariehamn in december?
December in Mariehamn averages 4°C in the afternoon and 1°C overnight, with a typical daily mean of 3°C. 3°C separates December from November, a noticeable step in Mariehamn's annual cycle.
Sunshine Hours in december
Sun is in short supply in Mariehamn this December: 0.8h a day, with daylight only 6h-long.
Does It Rain In Mariehamn In december?
Showers come almost daily: 56mm in 13 days in Mariehamn.
Is Mariehamn Humid In december?
Expect heavy, oppressive air in Mariehamn — humidity peaks at 81% on average.
Does It Snow In Mariehamn In december?
Snow lightly dusts Mariehamn once or twice in December — 0.8 snow days on average.
Wind In Mariehamn In december
Wind picks up in Mariehamn during December — averaging 34 kph, with gustier afternoons.
Cloud Cover In Mariehamn In december
Grey, overcast skies dominate: 78% average cloud cover in Mariehamn.
Cities With Similar Weather In december
Weather in Mariehamn, month by month
| Month | High / Low | Regn | |
|---|---|---|---|
| Vädret i januari | 2°C / -1°C | 57mm | Details → |
| Vädret i februari | 1°C / -1°C | 40mm | Details → |
| Vädret i mars | 2°C / 0°C | 37mm | Details → |
| Vädret i april | 5°C / 2°C | 29mm | Details → |
| Vädret i maj | 9°C / 6°C | 36mm | Details → |
| Vädret i juni | 15°C / 12°C | 34mm | Details → |
| Vädret i juli | 18°C / 15°C | 54mm | Details → |
| Vädret i augusti | 18°C / 16°C | 59mm | Details → |
| Vädret i september | 14°C / 13°C | 51mm | Details → |
| Vädret i oktober | 10°C / 8°C | 69mm | Details → |
| Vädret i november | 6°C / 4°C | 61mm | Details → |
| Vädret i december | 4°C / 1°C | 56mm |