When is the best time to visit Helsinki?
- In general, it’s pleasant to walk and do outdoor activities during July - August.
- If you want to avoid wet weather, then your choice is January, November, December with the lowest chance of rain.
Average weather in Helsinki in different months
April, May, June, July usually has good weather. Average maximum temperature reaches +20°C during July.
In February, March, August, September, October the weather is average. Expect around 51 rainy days, and the precipitation amounts to approximately 83 mm in August.
January, November, December bring not the best weather. January is the coldest month with the temperature going down to -7°C.
Climate in Helsinki
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum Temperature | |||||||||||
| +9°C | +8°C | +13°C | +19°C | +26°C | +31°C | +32°C | +29°C | +22°C | +18°C | +13°C | +10°C |
| Average Maximum Temperature | |||||||||||
| -2°C | -3°C | +1°C | +6°C | +12°C | +16°C | +20°C | +19°C | +14°C | +9°C | +4°C | 0°C |
| Minimum Temperature | |||||||||||
| -33°C | -29°C | -19°C | -10°C | -2°C | +2°C | +7°C | +3°C | 0°C | -8°C | -17°C | -24°C |
| Avg. water temperature | |||||||||||
| +3°C | 0°C | 0°C | +2°C | +9°C | +17°C | +23°C | +23°C | +20°C | +13°C | +9°C | +5°C |
| Humidity, % | |||||||||||
| 87 | 85 | 79 | 72 | 68 | 72 | 72 | 76 | 81 | 84 | 87 | 87 |
| Rain, mm | |||||||||||
| 14 | 10 | 10 | 24 | 42 | 58 | 69 | 83 | 78 | 83 | 55 | 27 |
| Snow, mm | |||||||||||
| 43 | 32 | 29 | 11 | 0 | 0 | 0 | 0 | 0 | 4 | 26 | 45 |
| Average wind speed, m/s | |||||||||||
| 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 4 | 4 | 4 | 5 |
| Sunny Days | |||||||||||
| 2 | 3 | 7 | 9 | 12 | 10 | 10 | 8 | 5 | 4 | 2 | 2 |
| Cloud Days | |||||||||||
| 11 | 11 | 10 | 9 | 7 | 7 | 5 | 5 | 8 | 8 | 8 | 9 |
| Rainy Days | |||||||||||
| 2 | 1 | 2 | 7 | 11 | 12 | 12 | 15 | 16 | 17 | 12 | 5 |
| Snowy Days | |||||||||||
| 16 | 12 | 11 | 5 | 0 | 0 | 0 | 0 | 0 | 2 | 8 | 15 |
Average Temperature
Water temperature
Humidity
Rain
Snow
FAQ
What is the hottest month in Helsinki?
What is the coldest month in Helsinki?
Is Helsinki worth visiting in winter?
When does it rain the least in Helsinki?
Other cities in Finland
Monthly weather in Helsinki
Source of the data
For this page, we’ve looked at the typical weather in Helsinki, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.