Helsinki, Finland 14-Day Forecast
Finland 🇫🇮
The 14-day forecast for Helsinki is temporarily unavailable - please check back shortly. Meanwhile, the monthly averages below give a reliable picture of what to expect.
Helsinki 14-day outlook: the story
The best time to visit Helsinki is generally May to September, when these are the warmest and brightest weeks of the year. Daytime temperatures in that window sit near 64°F (18°C), with rain on about 11 days a month. For the same question asked the other way round, see where else is warm in May.
For typical conditions month by month, see the Helsinki climate & average temperatures guide.
Average temperatures in Helsinki by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 30° | 22° | 14 | 2.7 in | 1.4 h/day | 6.6 h | 45% | 86% |
| February | 31° | 23° | 12 | 2.5 in | 3.6 h/day | 9.0 h | 42% | 86% |
| March | 35° | 26° | 11 | 1.8 in | 6.6 h/day | 11.6 h | 34% | 83% |
| April | 45° | 33° | 10 | 1.8 in | 9.9 h/day | 14.5 h | 35% | 76% |
| May | 57° | 43° | 9 | 1.9 in | 13.0 h/day | 17.1 h | 28% | 70% |
| June | 66° | 53° | 10 | 2.2 in | 14.7 h/day | 18.9 h | 34% | 70% |
| July | 69° | 57° | 13 | 3.1 in | 13.3 h/day | 18.1 h | 43% | 76% |
| August | 68° | 57° | 13 | 3.3 in | 11.2 h/day | 15.6 h | 42% | 79% |
| September | 60° | 51° | 11 | 2.7 in | 8.2 h/day | 12.7 h | 38% | 81% |
| October | 48° | 40° | 13 | 3.1 in | 4.8 h/day | 9.9 h | 41% | 84% |
| November | 40° | 34° | 14 | 3.1 in | 2.0 h/day | 7.3 h | 47% | 87% |
| December | 34° | 28° | 14 | 2.6 in | 1.3 h/day | 5.9 h | 44% | 87% |
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