Climate
Weather in Finland, month by month
Best time to visit
For mild temperatures and less rain, June, July, August are usually the most comfortable months in Finland (based on recent 2025 averages near Helsinki).
Average weather by month
Daytime high / overnight low (Celsius and Fahrenheit), with average monthly rainfall, near Helsinki. Tap a month for details.
| Jan | -0.9°C (30°F) / -6°C (21°F) · 81 mm |
|---|---|
| Feb | -1.1°C (30°F) / -6.1°C (21°F) · 56 mm |
| Mar | 2.4°C (36°F) / -3.5°C (26°F) · 42 mm |
| Apr | 7.2°C (45°F) / 0.2°C (32°F) · 51 mm |
| May | 13.4°C (56°F) / 5.6°C (42°F) · 50 mm |
| Jun | 19.5°C (67°F) / 11.8°C (53°F) · 53 mm |
| Jul | 21.8°C (71°F) / 14.8°C (59°F) · 72 mm |
| Aug | 19.9°C (68°F) / 13.7°C (57°F) · 101 mm |
| Sep | 15.6°C (60°F) / 10.2°C (50°F) · 73 mm |
| Oct | 9.9°C (50°F) / 5.3°C (42°F) · 84 mm |
| Nov | 4.6°C (40°F) / 0.8°C (33°F) · 71 mm |
| Dec | 0.3°C (33°F) / -3.9°C (25°F) · 69 mm |
Updated climate normals, 2025
Climate extremes in Finland
| Warmest month | July · avg high 21.8°C (71°F) |
|---|---|
| Coolest month | February · avg low -6.1°C (21°F) |
| Wettest month | August · ~101 mm |
| Driest month | March · ~42 mm |
Common questions
When is the best time to visit Finland?
For a balance of comfortable temperatures and lower rainfall, June, July, August tend to be the most pleasant months in Finland.
What is the hottest month in Finland?
July is the warmest month in Finland, with average daytime highs around 21.8°C (71°F).
What is the coldest month in Finland?
February is the coolest, with average overnight lows near -6.1°C (21°F).
Which month has the most rain in Finland?
August is typically the wettest month (around 101 mm on average), while March is usually the driest.