Helsinki
October
Weather in Helsinki for October 2025
Your guide to Helsinki weather in October - trends and predictions
In general, the average temperature in Helsinki at the beginning of October is 11.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 6.1 °C by the end of October.
The climate of Helsinki in October is notably wet, with an average of 11 rainy days.
Helsinki experiences moderate snowfall in October, with an average of 10 snowy days.
Is October a good time to visit Helsinki? check out the best time to travel to Helsinki page.
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10
Dry days
11
Rainy days
10
Snow days
7°/3°
Temperatures
26 km/h
Avg max wind
81 %
Avg humidity
Helsinki in October average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  12° | 2  10° | 3 12° | 4 11° | 5 12° | ||
| 6  12° | 7  12° | 8  8° | 9  9° | 10 12° | 11 14° | 12 10° |
| 13 10° | 14 11° | 15 9° | 16  9° | 17 9° | 18 8° | 19  7° |
| 20  7° | 21 9° | 22 8° | 23 8° | 24  7° | 25 8° | 26 7° |
| 27 6° | 28  6° | 29 4° | 30 6° | 31  6° |
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Temperatures trend during October in Helsinki
See the weather trend as well as the moving average line
October weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Oct. | Patchy rain possible | 12° /7° | 0.1 mm | 0 cm | |
| 2 Oct. | Overcast | 10° /6° | 2.6 mm | 0 cm | |
| 3 Oct. | Patchy rain possible | 12° /7° | 1.8 mm | 0 cm | |
| 4 Oct. | Light rain shower | 11° /6° | 11.5 mm | 0 cm | |
| 5 Oct. | Patchy rain possible | 12° /6° | 0.2 mm | 0 cm | |
| 6 Oct. | Light drizzle | 12° /6° | 5.1 mm | 0 cm | |
| 7 Oct. | Light sleet showers | 12° /5° | 6.5 mm | 0.2 cm | |
| 8 Oct. | Light snow showers | 8° /4° | 0.4 mm | 0 cm | |
| 9 Oct. | Sunny | 9° /5° | 11.6 mm | 0 cm | |
| 10 Oct. | Light rain shower | 12° /7° | 5.5 mm | 0 cm | |
| 11 Oct. | Light rain shower | 14° /8° | 7.1 mm | 0 cm | |
| 12 Oct. | Light rain shower | 10° /6° | 0.9 mm | 0 cm | |
| 13 Oct. | Patchy rain possible | 10° /6° | 0.1 mm | 0 cm | |
| 14 Oct. | Light rain shower | 11° /7° | 7.7 mm | 0 cm | |
| 15 Oct. | Light rain shower | 9° /4° | 2.3 mm | 0 cm | |
| 16 Oct. | Partly cloudy | 9° /3° | 0 mm | 0 cm | |
| 17 Oct. | Patchy rain possible | 9° /5° | 0 mm | 0 cm | |
| 18 Oct. | Overcast | 8° /4° | 0 mm | 0 cm | |
| 19 Oct. | Moderate or heavy snow showers | 7° /4° | 0.2 mm | 0.1 cm | |
| 20 Oct. | Light snow | 7° /4° | 0.2 mm | 0 cm | |
| 21 Oct. | Partly cloudy | 9° /4° | 0.2 mm | 0 cm | |
| 22 Oct. | Patchy rain possible | 8° /6° | 0.9 mm | 0 cm | |
| 23 Oct. | Patchy rain possible | 8° /4° | 0.6 mm | 0 cm | |
| 24 Oct. | Cloudy | 7° /3° | 0 mm | 0 cm | |
| 25 Oct. | Light snow showers | 8° /4° | 0.2 mm | 0.1 cm | |
| 26 Oct. | Sunny | 7° /4° | 0 mm | 0 cm | |
| 27 Oct. | Moderate or heavy snow showers | 6° /4° | 2.9 mm | 2.2 cm | |
| 28 Oct. | Light freezing rain | 6° /1° | 2.3 mm | 0.1 cm | |
| 29 Oct. | Sunny | 4° /0° | 0 mm | 0 cm | |
| 30 Oct. | Moderate or heavy snow showers | 6° /1° | 3.7 mm | 2.6 cm | |
| 31 Oct. | Moderate snow | 6° /0° | 6.9 mm | 0.2 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.
Helsinki in October - FAQ
What are the expected maximum and minimum temperatures in Helsinki during October?
Prepare for cooler days with highs just around 7° and colder nights, dipping below 3°.
How much rainfall should be expected in Helsinki during October?
Significant rainfall exceeding 117.9 mm is expected in Helsinki during October, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Helsinki during October?
Helsinki experiences an average snowfall of 10.7 cm during October, occurring over 10 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Helsinki during October?
The average wind speed in Helsinki during October is 26 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Helsinki in October?
As you prepare for your trip to Helsinki in October, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Helsinki, during October, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Thermal Wear: Base layers for cold destinations
- All-Weather Jacket: Waterproof and breathable
- Footwear
- Waterproof Shoes
- Insulated Boots: For snowy and extremely cold temperatures
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
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