Helsinki Sää Ennuste
Helsinki weather: 10°C, pilvistä. Tunneittain forecast, 14-day outlook, UV, air quality and the best time ja visit.
Ilmasto in Helsinki month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Kuukausi | Avg high | Avg low | Sadefall | Rating |
|---|---|---|---|---|
| tammikuu | -3° | -8° | 53 mm | ★★☆☆☆ |
| helmikuu | -3° | -8° | 42 mm | ★★☆☆☆ |
| maaliskuu | 4° | -1° | 29 mm | ★★★☆☆ |
| huhtikuu | 8° | 1° | 59 mm | ★★★☆☆ |
| tou | 15° | 7° | 28 mm | ★★★★☆ |
| kesäkuu | 19° | 12° | 80 mm | ★★★★☆ |
| heinäkuu | 22° | 15° | 89 mm | ★★★★☆ |
| elokuu | 20° | 14° | 76 mm | ★★★★☆ |
| syyskuu | 17° | 12° | 73 mm | ★★★★☆ |
| lokakuu | 10° | 5° | 85 mm | ★★★☆☆ |
| marraskuu | 5° | 1° | 82 mm | ★★☆☆☆ |
| joulukuu | 1° | -3° | 70 mm | ★★☆☆☆ |
Ilmasto type: Subarctic. Lähde: Open-Meteo archive (ERA5).
Paras aika vierailla Helsinki
Go in tou, kesäkuu, heinäkuu, elokuu and syyskuu. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: tammikuu, helmikuu and joulukuu - expect the least comfortable mix of heat, cold or rain.
Recent extremes in Helsinki
Korkeaest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Helsinki compares ja nearby places
Annual averages, and the difference against Helsinki.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Estonia | 82 km | 7°C | about the same | 806 mm |
| Latvia | 361 km | 8°C | +2°C warmer | 856 mm |
| Stockholm Arlanda Airport | 395 km | 8°C | +1°C warmer | 623 mm |
| Sweden | 396 km | 8°C | +1°C warmer | 595 mm |
| Stockholm | 396 km | 8°C | +1°C warmer | 595 mm |
What ja pack, what ja skip
- A warm mid-layer and gloves for early mornings and evenings
- A packable rain shell - 2 of the next 7 days carry a real chance of rain
- Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 59 km/h.
- If your dates are flexible, avoid tammikuu, helmikuu and joulukuu - historically the least comfortable months here.
Katso kohteen Helsinki ennuste aikavälin mukaan
Helsinki weather - more answers
Explore Helsinki
Every topic we hold for this place, and the same topic for the places around it.
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Frequently asked questions
Where is Helsinki?
Helsinki is a city in Suomi. Its coordinates are 60.1699, 24.9384. It lies in Eurooppa.
What is the weather like in Helsinki nyt?
It is currently 10°C (51°F) ja pilvistä. Kosteus is 84% and wind is 33 km/h.
When is the best time ja visit Helsinki?
tou, kesäkuu, heinäkuu, elokuu and syyskuu offer the most comfortable conditions in Helsinki, which has a subarctic climate. tammikuu, helmikuu and joulukuu are usually the hardest months for outdoor plans.
What time zone is Helsinki in?
Helsinki observes Europe/Helsinki (UTC+02:00). The local time is 7:42 AM.
How many people live in Helsinki?
Helsinki has a population of approximately 660.000.
What is the nearest airport ja Helsinki?
The closest airports are Helsinki Airport (HEL), 16 km away and Stockholm Arlanda Airport (ARN), 395 km away.
What places are in Helsinki?
Helsinki covers 1 places in this atlas, including Helsinki Airport.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-world) - coordinates, hierarchy and facts. |
|---|---|
| Ennuste and observations | Open-Meteo (ECMWF and national models). |
| Ilmanlaatu and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Ilmasto averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated lokakuu 28, 2026 at 7:42 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
