Weather in Helsinki in August
Climate normals based on 10 years of historical data for Helsinki, Finnland.
Average high
20°C
Average low
14°C
Rainfall
88 mm
13 rainy days
Sunshine
3.7h/day
Luftfeuchtigkeit
76%
How Hot Is Helsinki in August?
August brings typical readings of 20°C by day and 14°C by night to Helsinki.
Sunshine Hours in August
Helsinki's long August days are partially clouded: 3.7h of direct sun on a typical day.
Does It Rain In Helsinki In August?
Showers come almost daily: 88mm in 13 days in Helsinki.
Is Helsinki Humid In August?
Expect heavy, oppressive air in Helsinki — humidity peaks at 76% on average.
Wind In Helsinki In August
Breezes around 20 kph in Helsinki this August — comfortable for outdoor activity.
Cloud Cover In Helsinki In August
Grey, cloudy days are the norm: 65% average cover in Helsinki.
Cities With Similar Weather In August
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 | |
| 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 → |