Climate normals · 1970–2000
Helsinki Climate
Helsinki is a city in Finland (01) with a population of about 658,864. Its average annual temperature is 5.2°C (41°F), with roughly 646 mm of rain per year.
5.2°C
Avg Temp
646
Precip (mm/yr)
Jul
Hottest Month
Feb
Coldest Month
Helsinki Climate
Helsinki has an average annual temperature of 5.2°C (41°F) and receives about 646 mm of precipitation per year. The warmest month is July and the coldest is February. Figures are 1970–2000 climate normals.
5.2°C
Avg Temp
646
Precip (mm/yr)
Jul
Hottest Month
Feb
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -5° / 23° | 46 mm |
| February | -5° / 22° | 35 mm |
| March | -2° / 29° | 38 mm |
| April | 3° / 38° | 37 mm |
| May | 10° / 50° | 32 mm |
| June | 15° / 58° | 48 mm |
| July | 17° / 63° | 66 mm |
| August | 16° / 60° | 77 mm |
| September | 11° / 51° | 66 mm |
| October | 6° / 42° | 74 mm |
| November | 1° / 34° | 69 mm |
| December | -3° / 27° | 58 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Helsinki
The most comfortable months to visit Helsinki are typically July, June and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 21°C high). The coldest is February (near -8°C low). August is usually the wettest month.
Where to stay near Helsinki
Planning a trip to Helsinki? Compare hotels and short-term rentals — live availability and prices.
Top-rated places to stay near Helsinki
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip to Helsinki?
Get climate tips and the best lodging deals for Helsinki by email. No spam, unsubscribe anytime.
Other cities in Finland
Frequently Asked Questions
The most comfortable months to visit Helsinki are typically July, June and August, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Helsinki, Finland has an average annual temperature of 5.2°C and about 646 mm of precipitation per year. The warmest month is July and the coldest is February.
In July, the hottest month, daily highs in Helsinki average about 21°C (69°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.