Weather in Finland for December 2026
The climate of Finland in December is quite snowy, averaging 12 snowy days.
In general, the average temperature in Finland at the beginning of December is -5.9 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of -6.1 °C by the end of December.
Is December a good time to visit Finland? check out the best time to travel to Finland page.
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Finland Weather December
What’s the Weather Like in Finland This December?
Temperatures trend during December in Finland
December weather in Finland day by day
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Light freezing rain | -5° /-12° | 2.8 mm | 0.6 cm | |
| 2 Dec. |  Light snow | -5° /-11° | 2.4 mm | 0.8 cm | |
| 3 Dec. |  Overcast | -5° /-13° | 0.8 mm | 0.6 cm | |
| 4 Dec. |  Partly cloudy | -6° /-11° | 0.3 mm | 0.3 cm | |
| 5 Dec. | Light snow | -7° /-12° | 1.6 mm | 0.5 cm | |
| 6 Dec. | Light snow | -6° /-10° | 2.2 mm | 1.2 cm | |
| 7 Dec. | Light snow | -7° /-10° | 1 mm | 0.8 cm | |
| 8 Dec. | Light freezing rain | -7° /-11° | 1.8 mm | 1 cm | |
| 9 Dec. | Light snow | -6° /-12° | 0.6 mm | 0.3 cm | |
| 10 Dec. | Light snow | -5° /-8° | 2.8 mm | 1.8 cm | |
| 11 Dec. |  Moderate snow | -5° /-13° | 0.8 mm | 0.3 cm | |
| 12 Dec. |  Freezing fog | -10° /-15° | 0.4 mm | 0.1 cm | |
| 13 Dec. | Light freezing rain | -10° /-16° | 0.7 mm | 0 cm | |
| 14 Dec. | Light freezing rain | -9° /-13° | 1.4 mm | 0.7 cm | |
| 15 Dec. | Light freezing rain | -7° /-13° | 1.3 mm | 0.8 cm | |
| 16 Dec. | Light snow | -5° /-12° | 2.5 mm | 1.8 cm | |
| 17 Dec. | Light snow | -5° /-12° | 0.2 mm | 0 cm | |
| 18 Dec. | Light freezing rain | -5° /-11° | 1.5 mm | 0.5 cm | |
| 19 Dec. | Light snow | -4° /-11° | 2.8 mm | 1.8 cm | |
| 20 Dec. | Light freezing rain | -5° /-12° | 3 mm | 1.7 cm | |
| 21 Dec. | Freezing fog | -5° /-12° | 0.4 mm | 0.2 cm | |
| 22 Dec. | Freezing fog | -10° /-17° | 0.8 mm | 0.2 cm | |
| 23 Dec. | Light snow | -7° /-15° | 2.6 mm | 1.4 cm | |
| 24 Dec. | Light freezing rain | -6° /-14° | 1.4 mm | 0.7 cm | |
| 25 Dec. | Light snow | -4° /-12° | 0.9 mm | 0.5 cm | |
| 26 Dec. | Overcast | -6° /-15° | 0.6 mm | 0.1 cm | |
| 27 Dec. | Light snow | -7° /-12° | 1.8 mm | 0.5 cm | |
| 28 Dec. | Light freezing rain | -7° /-15° | 0.9 mm | 0.1 cm | |
| 29 Dec. | Light freezing rain | -6° /-12° | 1.2 mm | 0.3 cm | |
| 30 Dec. | Light freezing rain | -5° /-12° | 2.4 mm | 0.7 cm | |
| 31 Dec. | Light freezing rain | -8° /-15° | 2.2 mm | 0.7 cm | |
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Guide for Finland in December
In December, Finland experiences a transition from late autumn to the heart of winter. At the beginning of the month, the weather in Finland is characterized by cold temperatures and the possibility of snowfall.
In the southern part of the country, including Helsinki, temperatures typically range from 0° to 5°, with occasional snow showers creating a picturesque winter wonderland.
As we move towards the end of December, the temperatures drop further, with the potential for sub-zero temperatures becoming more common.
In Lapland, in the northern part of the country, temperatures can plummet to as low as -15° or even lower, creating ideal conditions for winter sports and activities.
The daylight hours are significantly shorter in December, with the sun rising late in the morning and setting early in the afternoon. This creates a unique atmosphere, especially with the possibility of the Northern Lights making an appearance in the northern regions.
Travelers visiting Finland in December should be prepared for cold weather and dress accordingly, with warm layers and insulated outerwear essential for staying comfortable outdoors.
The winter landscape and potential for snow make it an enchanting time to experience Finland's natural beauty and unique winter activities.