Helsinki
October
Weather in Helsinki for October 2025
Your guide to Helsinki weather in October - trends and predictions
Wind Warning for Marine Areas - See hour by hour.
With an average of 2 snowy days, Helsinki usually enjoys a light touch of snow in October.
According to Helsinki snow forecast for October 2025, no snow is expected until the end of the month.Until now, October 2025 in Helsinki is slightly cooler than the historical average by -0.6 °C.
In general, the average temperature in Helsinki at the beginning of October is 12 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 8.1 °C by the end of October.
Helsinki experiences heavy rainfall in October, with over 20 rainy days and an average total precipitation 70.4 mm.
Official Weather Alert ⚠️
Snow Forecast ❄️
Temperatures
Rain 🌧️
8
Dry days
21
Rainy days
2
Snow days
9°/5°
Temperatures
24 km/h
Avg max wind
81 %
Avg humidity
Helsinki Weather October
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Temperatures trend during October in Helsinki
See the weather trend as well as the moving average line
October weather in Helsinki day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Oct. |  Patchy rain possible | 12° /6° | 0.5 mm | 0 cm | |
| 2 Oct. |  Overcast | 11° /7° | 1.1 mm | 0 cm | |
| 3 Oct. | Patchy rain possible | 12° /7° | 0.7 mm | 0 cm | |
| 4 Oct. | Patchy rain possible | 12° /6° | 5.1 mm | 0 cm | |
| 5 Oct. | Patchy rain possible | 12° /7° | 2.2 mm | 0 cm | |
| 6 Oct. | Patchy rain possible | 13° /8° | 2.5 mm | 0 cm | |
| 7 Oct. | Overcast | 12° /8° | 2.8 mm | 0.1 cm | |
| 8 Oct. | Overcast | 11° /7° | 1.6 mm | 0 cm | |
| 9 Oct. | Overcast | 11° /7° | 5.2 mm | 0 cm | |
| 10 Oct. | Light rain shower | 12° /7° | 3.8 mm | 0 cm | |
| 11 Oct. | Patchy rain possible | 12° /7° | 4 mm | 0 cm | |
| 12 Oct. | Light rain shower | 10° /5° | 1.3 mm | 0 cm | |
| 13 Oct. | Patchy rain possible | 9° /5° | 0.3 mm | 0 cm | |
| 14 Oct. | Patchy rain possible | 10° /6° | 3.9 mm | 0 cm | |
| 15 Oct. | Patchy rain possible | 10° /5° | 2.8 mm | 0 cm | |
| 16 Oct. |  Partly cloudy | 10° /5° | 1.8 mm | 0 cm | |
| 17 Oct. |  Sunny | 9° /4° | 0.4 mm | 0 cm | |
| 18 Oct. | Sunny | 7° /3° | 0.7 mm | 0 cm | |
| 19 Oct. | Overcast | 7° /2° | 0.1 mm | 0 cm | |
| 20 Oct. |  Heavy rain at times | 9° /4° | 3 mm | 0 cm | |
| 21 Oct. | Patchy rain possible | 9° /5° | 1.7 mm | 0 cm | |
| 22 Oct. | Overcast | 9° /5° | 2 mm | 0 cm | |
| 23 Oct. | Patchy rain possible | 8° /3° | 3.7 mm | 0 cm | |
| 24 Oct. | Patchy rain possible | 7° /2° | 0.4 mm | 0 cm | |
| 25 Oct. | Patchy rain possible | 9° /5° | 3 mm | 0 cm | |
| 26 Oct. | Overcast | 9° /6° | 3 mm | 0 cm | |
| 27 Oct. |  Moderate or heavy rain shower | 8° /5° | 4 mm | 0.9 cm | |
| 28 Oct. | Moderate rain at times | 8° /4° | 2.7 mm | 0 cm | |
| 29 Oct. | Sunny | 8° /4° | 0.7 mm | 0 cm | |
| 30 Oct. | Partly cloudy | 7° /3° | 2.4 mm | 1 cm | |
| 31 Oct. |  Moderate rain | 8° /8° | 9.8 mm | 0 cm | |
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Important Notice
Our weather forecast for Helsinki in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Helsinki forecast closer to your planned date for the most up-to-date weather information.
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Helsinki in October - FAQ
What are the expected maximum and minimum temperatures in Helsinki during October?
During October, expect a variety of temperatures with highs around 9° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in Helsinki during October?
Moderate rainfall is anticipated in Helsinki during October, with a total of 70.4 mm spread over approximately 21 days. Considering plans for rainy days is advisable.
Will it snow in Helsinki in October 2025?
Helsinki experiences an average snowfall of 2.6825 cm during October, occurring over 2 days.
What are the typical wind conditions in Helsinki during October?
The average wind speed in Helsinki during October is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
Helsinki snow forecast October 2025
Track daily snowfall levels and discover Helsinki’s snowy potential this October ❄️
October rainfall patterns in Helsinki
Explore the daily rainfall trends and prepare for Helsinkis October weather 💧
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