Best Time to Visit Helsinki
Best time: Jun, Jul, Aug, May.
Jul is warmest (20.6°C high); Aug is rainiest (77 mm).
Helsinki weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | -2.1 | -7.3 | 46 | 0.5 |
| Feb | -2.6 | -8.2 | 35 | 1.5 |
| Mar | 1 | -4.5 | 40 | 3.4 |
| Apr | 6.3 | -0.1 | 39 | 5.8 |
| May | 13.8 | 5.6 | 32 | 8.6 |
| Jun | 18.6 | 10.7 | 48 | 9.4 |
| Jul | 20.6 | 13.4 | 65 | 8.9 |
| Aug | 19 | 12.1 | 77 | 6.7 |
| Sep | 13.6 | 7.7 | 65 | 3.9 |
| Oct | 8.3 | 3.4 | 74 | 1.7 |
| Nov | 3.3 | -1.1 | 68 | 0.5 |
| Dec | 0 | -5.1 | 57 | 0.2 |
Average high temperature
Best months by activity
Overall: JunJulAugMay
Beaches: JunJulMay
Hiking: MayJunJulAug
Sightseeing: JunJulMayAug
Helsinki quick facts
What to pack
Cold months (Jan, Feb, Mar, Apr, Oct, Nov, Dec): warm layers and a coat.
Frequently asked questions
When is the best time to visit Helsinki?
Jun, Jul, Aug, May.
What is the rainiest month?
Aug, about 77 mm.
What is the warmest month?
Jul, with average highs of 20.6°C.
Where to stay
See Helsinki hotels · Book Helsinki tours & activities
All destinations · Best time to visit Vantaa · Best time to visit Turku · Best time to visit Tampere · Best time to visit Oulu
Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.