Helsinki
January
Weather in Helsinki for January 2026
Your guide to Helsinki weather in January - trends and predictions
Wind Warning for Marine Areas - See hour by hour.
Helsinki is transformed into a snow paradise in January, with more than 20 snowy days on average.
According to Helsinki snow forecast for January 2026, 6 snowy days are expected at the beginning of January. The first snowfall for January is expected in Thursday, 1 January.The forecast for the next days in Helsinki predicts temperatures to be around -2 °C, close to the historical average.
In general, the average temperature in Helsinki at the beginning of January is -5 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 0.6 °C by the end of January.
Official Weather Alert ⚠️
Snow Forecast ❄️
Temperatures
0
Dry days
3
Rainy days
28
Snow days
-1°/-5°
Temperatures
23 km/h
Avg max wind
90 %
Avg humidity
Helsinki Weather January
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Temperatures trend during January in Helsinki
See the weather trend as well as the moving average line
January weather in Helsinki day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Jan. |  Light freezing rain | -6° /-9° | 0.2 mm | 0.1 cm | |
| 2 Jan. |  Blizzard | -2° /-6° | 5 mm | 0.3 cm | |
| 3 Jan. |  Moderate or heavy snow showers | -4° /-6° | 1.9 mm | 1.4 cm | |
| 4 Jan. |  Light snow | -6° /-8° | 1.1 mm | 0.8 cm | |
| 5 Jan. |  Heavy snow | -7° /-12° | 1.6 mm | 1.2 cm | |
| 6 Jan. |  Sunny | -9° /-11° | 0 mm | 0 cm | |
| 7 Jan. |  Patchy moderate snow | -1° /-10° | 0.6 mm | 0.4 cm | |
| 8 Jan. |  Patchy rain possible | 3° /1° | 0.2 mm | 0 cm | |
| 9 Jan. | Patchy rain possible | 3° /3° | 0.2 mm | 0 cm | |
| 10 Jan. |  Cloudy | 3° /0° | 0 mm | 0 cm | |
| 11 Jan. |  Partly cloudy | 2° /0° | 0 mm | 0 cm | |
| 12 Jan. |  Moderate snow | -1° /-6° | 5.7 mm | 2.9 cm | |
| 13 Jan. | Patchy rain possible | 0° /-6° | 3.2 mm | 0.9 cm | |
| 14 Jan. |  Overcast | -1° /-5° | 1.3 mm | 0 cm | |
| 15 Jan. | Overcast | -3° /-8° | 2.2 mm | 0 cm | |
| 16 Jan. | Partly cloudy | -3° /-7° | 1.6 mm | 0.1 cm | |
| 17 Jan. | Light freezing rain | -1° /-8° | 2 mm | 0.7 cm | |
| 18 Jan. | Overcast | 1° /-5° | 3.3 mm | 2.1 cm | |
| 19 Jan. | Patchy moderate snow | 0° /-5° | 2.7 mm | 1.4 cm | |
| 20 Jan. | Light freezing rain | -2° /-7° | 2.4 mm | 0.8 cm | |
| 21 Jan. | Moderate snow | -1° /-8° | 3.9 mm | 1.2 cm | |
| 22 Jan. | Light freezing rain | 0° /-4° | 3 mm | 0.9 cm | |
| 23 Jan. | Overcast | 2° /-3° | 1.3 mm | 0.7 cm | |
| 24 Jan. | Patchy rain possible | 2° /0° | 2.6 mm | 1.1 cm | |
| 25 Jan. |  Moderate rain at times | 2° /-2° | 2.1 mm | 0.4 cm | |
| 26 Jan. |  Mist | 0° /-4° | 1.7 mm | 0.2 cm | |
| 27 Jan. | Light snow | 0° /-3° | 1.4 mm | 0.5 cm | |
| 28 Jan. | Overcast | 1° /-2° | 2.1 mm | 0.2 cm | |
| 29 Jan. | Overcast | 1° /-2° | 3 mm | 1.5 cm | |
| 30 Jan. | Light freezing rain | 1° /-3° | 5.7 mm | 1.7 cm | |
| 31 Jan. |  Light drizzle | -1° /-4° | 1.3 mm | 0 cm | |
| Next | |||||
Important Notice
Our weather forecast for Helsinki in January 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 January - FAQ
What are the expected maximum and minimum temperatures in Helsinki during January?
Brace for cold days with temperatures not exceeding -1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Helsinki during January?
Moderate rainfall is anticipated in Helsinki during January, with a total of 79.5 mm spread over approximately 3 days. Considering plans for rainy days is advisable.
Will it snow in Helsinki in January 2026?
Helsinki experiences an average snowfall of 26.654 cm during January, occurring over 28 days.
What are the typical wind conditions in Helsinki during January?
The average wind speed in Helsinki during January is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
Helsinki snow forecast January 2026
Track daily snowfall levels and discover Helsinki’s snowy potential this January ❄️
On average, Helsinki sees 28 snowy days during January, with approximately 26.7 cm of total snowfall.
January rainfall patterns in Helsinki
Explore the daily rainfall trends and prepare for Helsinkis January weather 💧
Typically, Helsinki has 3 rainy days in January with a total of 79.5 mm of rainfall.
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