Southwest Finland (Turku)
December
Weather in Southwest Finland for December 2025
Your guide to Southwest Finland weather in December - trends and predictions
Southwest Finland is transformed into a snow paradise in December, with more than 20 snowy days on average.
According to Southwest Finland snow forecast for December 2025, 2 snowy days are expected until the end of the month. The closest date with snow is Saturday, 27 December.So far, December 2025 in Southwest Finland shows a warmer trend than usual by 3.4 °C.
The forecast for the next days in Southwest Finland predicts a temperature of -2.9 °C, which is cooler than the historical average.
In general, the average temperature in Southwest Finland at the beginning of December is 1.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 0.3 °C by the end of December.
Snow Forecast ❄️
Temperatures
3
Dry days
4
Rainy days
24
Snow days
0°/-4°
Temperatures
21 km/h
Avg max wind
89 %
Avg humidity
Southwest Finland Weather December
Move between months or click on a day
Temperatures trend during December in Southwest Finland
See the weather trend as well as the moving average line
December weather in Southwest Finland day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Moderate snow | 3° /-1° | 2.9 mm | 0.2 cm | |
| 2 Dec. |  Mist | 2° /-1° | 1 mm | 0 cm | |
| 3 Dec. |  Light snow | 1° /-4° | 2.8 mm | 1.2 cm | |
| 4 Dec. |  Freezing fog | -1° /-4° | 0.4 mm | 0 cm | |
| 5 Dec. |  Moderate or heavy snow showers | 2° /-3° | 1.9 mm | 1 cm | |
| 6 Dec. | Light snow | 3° /-1° | 3.1 mm | 0.4 cm | |
| 7 Dec. |  Light freezing rain | 1° /-1° | 1.3 mm | 0.3 cm | |
| 8 Dec. | Moderate snow | 1° /-1° | 2.6 mm | 0.4 cm | |
| 9 Dec. | Light snow | 1° /-2° | 0.9 mm | 0.2 cm | |
| 10 Dec. | Moderate snow | 2° /-1° | 1.8 mm | 0.3 cm | |
| 11 Dec. | Moderate snow | 3° /-1° | 0.7 mm | 0.3 cm | |
| 12 Dec. | Light freezing rain | -1° /-4° | 0.2 mm | 0.1 cm | |
| 13 Dec. | Light freezing rain | -2° /-6° | 1 mm | 0.7 cm | |
| 14 Dec. | Freezing fog | 0° /-5° | 8.1 mm | 2 cm | |
| 15 Dec. | Light snow | 0° /-5° | 0.4 mm | 0.1 cm | |
| 16 Dec. |  Light drizzle | 4° /-2° | 4.1 mm | 1 cm | |
| 17 Dec. |  Overcast | 4° /1° | 1.1 mm | 0 cm | |
| 18 Dec. | Fog | 3° /-1° | 4.4 mm | 0.3 cm | |
| 19 Dec. | Light rain | 5° /1° | 6.4 mm | 0 cm | |
| 20 Dec. | Mist | 3° /-1° | 0.7 mm | 0.4 cm | |
| 21 Dec. | Moderate snow | 1° /-4° | 0.9 mm | 0.7 cm | |
| 22 Dec. |  Partly cloudy | 1° /-3° | 0 mm | 0 cm | |
| 23 Dec. |  Sunny | -4° /-5° | 0 mm | 0 cm | |
| 24 Dec. | Sunny | 1° /-2° | 0 mm | 0 cm | |
| 25 Dec. | Partly cloudy | 5° /2° | 0.1 mm | 0 cm | |
| 26 Dec. | Sunny | 3° /1° | 0 mm | 0 cm | |
| 27 Dec. |  Patchy rain possible | 4° /2° | 0.2 mm | 0.2 cm | |
| 28 Dec. | Sunny | 2° /0° | 0 mm | 0 cm | |
| 29 Dec. | Sunny | -2° /-4° | 0 mm | 0 cm | |
| 30 Dec. | Overcast | -4° /-5° | 0 mm | 0 cm | |
| 31 Dec. | Light freezing rain | -6° /-8° | 0.4 mm | 0.3 cm | |
| Next | |||||
Important Notice
Our weather forecast for Southwest Finland in December 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 Southwest Finland forecast closer to your planned date for the most up-to-date weather information.
Change Month
Southwest Finland in December - FAQ
What are the expected maximum and minimum temperatures in Southwest Finland during December?
Brace for cold days with temperatures not exceeding 0° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Southwest Finland during December?
Moderate rainfall is anticipated in Southwest Finland during December, with a total of 63.6 mm spread over approximately 4 days. Considering plans for rainy days is advisable.
Will it snow in Southwest Finland in December 2025?
Southwest Finland experiences an average snowfall of 18.0717 cm during December, occurring over 24 days.
What are the typical wind conditions in Southwest Finland during December?
The average wind speed in Southwest Finland during December is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
Southwest Finland snow forecast December 2025
Track daily snowfall levels and discover Southwest Finland’s snowy potential this December ❄️
On average, Southwest Finland sees 24 snowy days during December, with approximately 18.1 cm of total snowfall.
December rainfall patterns in Southwest Finland
Explore the daily rainfall trends and prepare for Southwest Finlands December weather 💧
Typically, Southwest Finland has 4 rainy days in December with a total of 63.6 mm of rainfall.
Provinces in Southwest Finland
Select a province for an accurate weather forecast
Top locations in Southwest Finland
Select a location for an accurate weather forecast
More Locations Quick links
More Southwest Finland weather pages
You are here
Where is Southwest Finland?Get accurate weather forecasts for Southwest Finland, located at latitude 60.451 and longitude 22.269. Stay updated with localized weather information tailored for Southwest Finland.
Found a mistake?
We appreciate your attention to details. Tell us here.