Weather in Helsinki in Dezember
Climate normals based on 10 years of historical data for Helsinki, Finnland.
Average high
1°C
Average low
-2°C
Rainfall
67 mm
14 rainy days
Sunshine
0.8h/day
Luftfeuchtigkeit
87%
How Hot Is Helsinki in Dezember?
December brings typical readings of 1°C by day and -2°C by night to Helsinki.
Sunshine Hours in Dezember
Very limited sun in Helsinki's December — 0.8h a day, daylight from 9:15 am to 3:15 pm.
Does It Rain In Helsinki In Dezember?
Plan around wet weather: Helsinki sees 67mm of rain on 14 days.
Is Helsinki Humid In Dezember?
Oppressive humidity dominates Helsinki in December — averaging 87%, with the air feeling thick and heavy.
Does It Snow In Helsinki In Dezember?
Helsinki averages 3.0 snow days in December — bundle up and expect drifts.
Wind In Helsinki In Dezember
Wind picks up in Helsinki during December — averaging 24 kph, with gustier afternoons.
Cloud Cover In Helsinki In Dezember
Heavy cloud blankets Helsinki in December — averaging 79% cover, with mostly overcast skies.
Cities With Similar Weather In Dezember
Weather in Helsinki, month by month
| Month | High / Low | Regen | |
|---|---|---|---|
| Wetter im Januar | -1°C / -5°C | 68mm | Details → |
| Wetter im Februar | -1°C / -5°C | 63mm | Details → |
| Wetter im März | 2°C / -3°C | 49mm | Details → |
| Wetter im April | 7°C / 1°C | 45mm | Details → |
| Wetter im Mai | 13°C / 6°C | 49mm | Details → |
| Wetter im Juni | 18°C / 12°C | 60mm | Details → |
| Wetter im Juli | 20°C / 14°C | 86mm | Details → |
| Wetter im August | 20°C / 14°C | 88mm | Details → |
| Wetter im September | 15°C / 11°C | 74mm | Details → |
| Wetter im Oktober | 9°C / 5°C | 82mm | Details → |
| Wetter im November | 5°C / 2°C | 78mm | Details → |
| Wetter im Dezember | 1°C / -2°C | 67mm |