Finland
Helsinki sees feels-like daytime highs peak around 23.1°C in July and nighttime lows bottom out near -9.2°C in February. October is the wettest month (~57 mm), while February is the driest (~14 mm). For sunshine, July leads with about 57% clear skies.
Based on mild feels-like temperatures and low rain chances, the most comfortable months are July, August, and June — expect around 15–23.1°C with roughly 25% chance of rain on a given day in July.
| Month | Low / High °C | Rain % | Rainfall | Clear skies | Wind |
|---|---|---|---|---|---|
| January | -8.6° / -4.4° | 11% | 20 mm | 26% | 17.1 kph |
| February | -9.2° / -4.2° | 7% | 14 mm | 28% | 15.7 kph |
| March | -6° / 0° | 10% | 18 mm | 34% | 14.3 kph |
| April | -0.3° / 6.8° | 16% | 27 mm | 40% | 12.9 kph |
| May | 5.8° / 13.9° | 20% | 37 mm | 50% | 11.8 kph |
| June☀ | 11.5° / 19.4° | 24% | 46 mm | 54% | 11.4 kph |
| July☀ | 15° / 23.1° | 25% | 47 mm | 57% | 11.6 kph |
| August☀ | 12.9° / 20.7° | 28% | 54 mm | 53% | 12.8 kph |
| September | 7.8° / 14.4° | 28% | 53 mm | 48% | 14.7 kph |
| October | 3° / 8.2° | 29% | 57 mm | 38% | 16.6 kph |
| November | -2° / 2.4° | 25% | 45 mm | 30% | 17.7 kph |
| December | -6.2° / -2.1° | 17% | 29 mm | 29% | 17.9 kph |
Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).
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