Europe · City travel
Best time to visit Helsinki
Late May–Early Sep is the best time to visit. During this period, the average daytime high is 20.1°C, with 2.7 rainy days per 10 days.
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Season calendar
AvoidOff-seasonFairOkayGoodGreatBest
Japan MOFA travel advice
No Japan MOFA travel advisory is in effect for this destination.
Climate and season score by month
| Month | Level | Daytime high | Rainy days (per 10 days) | Cloud cover |
|---|---|---|---|---|
| January | Avoid | -0.9°C | 3.8 | 78.2% |
| February | Avoid | -1.0°C | 3.1 | 74.9% |
| March | Off-season | 2.5°C | 2.3 | 65.6% |
| April | Fair | 8.4°C | 2.3 | 65.0% |
| May | Great | 14.6°C | 2.2 | 61.5% |
| June | Best | 19.3°C | 2.7 | 63.3% |
| July | Best | 22.1°C | 2.6 | 63.1% |
| August | Best | 20.8°C | 3.1 | 61.4% |
| September | Great | 15.8°C | 2.7 | 66.2% |
| October | Off-season | 9.6°C | 3.3 | 75.8% |
| November | Avoid | 4.8°C | 4.0 | 80.6% |
| December | Avoid | 1.4°C | 3.7 | 79.6% |
How the score works
The season score is a relative 0–100 measure of how suitable each time of year is for travel at this destination, grouped into seven levels. It combines climate-normal trends in temperature, rain, cloud cover, and other conditions.
Weather station: HELSINKI KAISANIEMI AWS（1 km）. Data: NASA POWER, NOAA GHCN-Daily, OISST, IBTrACS, and Natural Earth.
These are historical climate-normal trends, not a weather forecast.