Weather in Helsinki
What's the weather like in Helsinki?
Helsinki has a wide swing between hot summers and cold winters and moderate rainfall spread across the year. Average daytime highs range from -3°C (27°F) in January to 22°C (72°F) in July, with overnight lows around -7°C (19°F) and 14°C (57°F) respectively.
For comfortable sightseeing temperatures (18–26°C daytime highs), the best months to visit Helsinki are June through August.
Quick facts
- Country
- 🇫🇮 Finland
- Region
- Europe
- Time zone
- Europe/Helsinki
- Coordinates
- 60.170, 24.938
Monthly climate
Long-run averages for each month of the year.
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | -3°C / 27°F | -7°C / 19°F | 55 mm | 17 | 11 |
| February | -3°C / 27°F | -8°C / 18°F | 40 mm | 15 | 11 |
| March | 1°C / 34°F | -5°C / 23°F | 40 mm | 12 | 7 |
| April | 8°C / 46°F | 0°C / 32°F | 35 mm | 11 | 2 |
| May | 15°C / 59°F | 5°C / 41°F | 40 mm | 11 | 0 |
| June | 19°C / 66°F | 11°C / 52°F | 55 mm | 12 | 0 |
| July | 22°C / 72°F | 14°C / 57°F | 75 mm | 12 | 0 |
| August | 20°C / 68°F | 13°C / 55°F | 80 mm | 13 | 0 |
| September | 15°C / 59°F | 8°C / 46°F | 70 mm | 13 | 0 |
| October | 8°C / 46°F | 3°C / 37°F | 80 mm | 15 | 0 |
| November | 3°C / 37°F | -1°C / 30°F | 70 mm | 16 | 5 |
| December | -1°C / 30°F | -5°C / 23°F | 55 mm | 17 | 9 |
Helsinki by month
Detailed weather for any specific month:
Cities with a similar climate to Helsinki
Frequently asked questions
When is the best time to visit Helsinki?
The most comfortable months in Helsinki are usually June, July, August, when average highs sit near 18–26°C (64–79°F) with relatively little rain. See the full month-by-month breakdown for the exact figures.
What is the hottest month in Helsinki?
July is typically the hottest month in Helsinki, averaging a high of 22°C (72°F).
What is the coldest month in Helsinki?
February is usually the coldest, with average lows around -8°C (18°F).
Does it snow in Helsinki?
Yes — Helsinki sees some snow, mainly around January (about 11 snow days). Most other months stay snow-free.
Live forecast, sunrise/sunset, and more.