Helsinki
January
Weather in Helsinki for January 2026
Your guide to Helsinki weather in January - trends and predictions
Helsinki is transformed into a snow paradise in January, with more than 20 snowy days on average.
In general, the average temperature in Helsinki at the beginning of January is -3.4 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 0.6 °C by the end of January.
Snow Forecast ❄️
Temperatures
2
Dry days
4
Rainy days
25
Snow days
-2°/-6°
Temperatures
22 km/h
Avg max wind
91 %
Avg humidity
Helsinki Weather January
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  -2° | 2  -4° | 3  -2° | 4 -4° | |||
| 5 -4° | 6 -4° | 7 -4° | 8 -1° | 9  -0° | 10  -1° | 11 0° |
| 12  -1° | 13  -0° | 14 -1° | 15 -3° | 16  -3° | 17 -1° | 18 1° |
| 19 -0° | 20 -2° | 21 -1° | 22 -0° | 23 2° | 24 2° | 25  2° |
| 26  0° | 27 -0° | 28 1° | 29 1° | 30 1° | 31  -1° |
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Temperatures trend during January in Helsinki
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Jan. | Overcast | -2° /-7° | 2.3 mm | 1.4 cm | |
| 2 Jan. | Patchy light snow | -4° /-8° | 2.2 mm | 0.7 cm | |
| 3 Jan. | Light freezing rain | -2° /-7° | 3 mm | 0.2 cm | |
| 4 Jan. | Overcast | -4° /-7° | 1.7 mm | 0.8 cm | |
| 5 Jan. | Overcast | -4° /-8° | 1.4 mm | 0.7 cm | |
| 6 Jan. | Overcast | -4° /-10° | 1 mm | 0.4 cm | |
| 7 Jan. | Light freezing rain | -4° /-9° | 2.6 mm | 0.5 cm | |
| 8 Jan. | Overcast | -1° /-8° | 1.7 mm | 0.2 cm | |
| 9 Jan. | Cloudy | 0° /-6° | 3.1 mm | 1.8 cm | |
| 10 Jan. | Patchy moderate snow | -1° /-5° | 3.6 mm | 0.8 cm | |
| 11 Jan. | Light freezing rain | 0° /-6° | 4.2 mm | 1.7 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 | |
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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.
Helsinki in January - FAQ
What are the expected maximum and minimum temperatures in Helsinki during January?
Brace for cold days with temperatures not exceeding -2° 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 78.9 mm spread over approximately 4 days. Considering plans for rainy days is advisable.
Will it snow in Helsinki in January 2026?
Helsinki experiences an average snowfall of 26.3625 cm during January, occurring over 25 days.
What are the typical wind conditions in Helsinki during January?
The average wind speed in Helsinki during January is 22 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 ❄️
January rainfall patterns in Helsinki
Explore the daily rainfall trends and prepare for Helsinkis January weather 💧
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