Weather in Helsinki in Januar
Climate normals based on 10 years of historical data for Helsinki, Finnland.
Average high
-1°C
Average low
-5°C
Rainfall
68 mm
14 rainy days
Sunshine
1.0h/day
Luftfeuchtigkeit
89%
How Hot Is Helsinki in Januar?
January is the coldest stretch in Helsinki, with highs of just -1°C and lows around -5°C — daytime barely lifts off the freeze.
Sunshine Hours in Januar
Very limited sun in Helsinki's January — 1.0h a day, daylight from 9:05 am to 3:55 pm.
Does It Rain In Helsinki In Januar?
Frequent rain in Helsinki: 68mm across 14 days in January.
Is Helsinki Humid In Januar?
Oppressive humidity dominates Helsinki in January — averaging 89%, with the air feeling thick and heavy.
Does It Snow In Helsinki In Januar?
Helsinki averages 5.9 snow days in January — bundle up and expect drifts.
Wind In Helsinki In Januar
Sea breeze or thermal winds keep Helsinki moving at 24 kph in January.
Cloud Cover In Helsinki In Januar
Persistent overcast defines Helsinki's January: 80% cloud cover on average.
Cities With Similar Weather In Januar
Weather in Helsinki, month by month
| Month | High / Low | Regen | |
|---|---|---|---|
| Wetter im Januar | -1°C / -5°C | 68mm | |
| 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 | Details → |