Helsinki 氣候 and Average 天氣
氣候 of Helsinki: average temperatures, rainfall and seasons month by month.
氣候 in Helsinki month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| 月份 | Avg high | Avg low | 雨fall | Rating |
|---|---|---|---|---|
| 一月 | -3° | -8° | 53 mm | ★★☆☆☆ |
| 二月 | -3° | -8° | 42 mm | ★★☆☆☆ |
| 三月 | 4° | -1° | 29 mm | ★★★☆☆ |
| 四月 | 8° | 1° | 59 mm | ★★★☆☆ |
| 五月 | 15° | 7° | 28 mm | ★★★★☆ |
| 六月 | 19° | 12° | 80 mm | ★★★★☆ |
| 七月 | 22° | 15° | 89 mm | ★★★★☆ |
| 八月 | 20° | 14° | 76 mm | ★★★★☆ |
| 九月 | 17° | 12° | 73 mm | ★★★★☆ |
| 十月 | 10° | 5° | 85 mm | ★★★☆☆ |
| 十一月 | 5° | 1° | 82 mm | ★★☆☆☆ |
| 十二月 | 1° | -3° | 70 mm | ★★☆☆☆ |
氣候 type: Subarctic. 來源： Open-Meteo archive (ERA5).
Recent extremes in Helsinki
高est and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Helsinki compares，天氣為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 | 873 mm |
| Stockholm Arlanda Airport | 395 km | 8°C | +1°C warmer | 610 mm |
| Sweden | 396 km | 8°C | +1°C warmer | 593 mm |
| Stockholm | 396 km | 8°C | +1°C warmer | 593 mm |
氣候 by airport in Helsinki
1 airports mapped in this atlas
最佳旅遊時間 Helsinki
Go in 五月, 六月, 七月, 八月 and 九月. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: 一月, 二月 and 十二月 - expect the least comfortable mix of heat, cold or rain.
What this means for Helsinki
Today is slightly warmer than average for 十月. The forecast high of 12°C is 2.2°C above the 10°C typical for this month.
A 93% chance means rain is expected over most of the area. Plan indoor alternatives.
Wet roads are likely; braking distances roughly double in heavy rain.
Above 60 degrees latitude, daylight swings enormously - summer nights barely darken and winter days are short.
Northern Hemisphere, so peak summer falls in 六月至八月.
The gap between the warmest and coldest month averages 24°C.
What至pack, what至skip
- A packable rain shell - 6 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid 一月, 二月 and 十二月 - historically the least comfortable months here.
摘要
Helsinki is a city in 芬蘭. Helsinki is known for Design district and Baltic islands. 人口約為660.000.
目前氣溫為11°C (52°F) in Helsinki，天氣為陰天. 體感溫度為7°C. 今天氣溫介於11°C至12°C. 降雨機率為93%. Sightseeing conditions score 6.1/10 - 尚可 — 依天氣規劃.
最佳旅遊時間是Helsinki is 五月, 六月, 七月, 八月 and 九月. 氣候為subarctic. 一月, 二月 and 十二月 tend至be the least comfortable months. 七月 is the warmest month，天氣為average highs near 22°C, while 一月 is the coldest，天氣為lows near -8°C.
The closest major airport is Helsinki Airport (HEL), about 16 km away.
簡單來說。 Today is slightly warmer than average for 十月. The forecast high of 12°C is 2.2°C above the 10°C typical for this month. The best window至be outside is roughly 2 PM至5 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Helsinki today at 8.5/10. Wet roads are likely; braking distances roughly double in heavy rain.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Helsinki
天氣 map for Helsinki
Animated model layers. Pick a layer至load it.
Animated layers by 風y. For pin-level detail and nearby places, see the interactive map below.
Explore Helsinki
Every topic we hold for this place, and the same topic for the places around it.
氣候 for related places
Frequently asked questions
Where is Helsinki?
Helsinki is a city in 芬蘭. Its coordinates are 60.1699, 24.9384. It lies in 歐洲.
What is the weather like in Helsinki現在?
It is currently 11°C (52°F)，天氣為陰天. 濕度 is 81% and wind is 25 km/h.
When is the best time至visit Helsinki?
五月, 六月, 七月, 八月 and 九月 offer the most comfortable conditions in Helsinki, which has a subarctic climate. 一月, 二月 and 十二月 are usually the hardest months for outdoor plans.
What time zone is Helsinki in?
Helsinki observes Europe/Helsinki (UTC+03:00). The local time is 9:01 AM.
How many people live in Helsinki?
Helsinki has a population of approximately 660.000.
What is the nearest airport至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. |
|---|---|
| 預報 and observations | Open-Meteo (ECMWF and national models). |
| 空氣品質 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 氣候 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 十月 23, 2026 at 9:01 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
