Transit Desk

Climate

Weather in Finland in December

Weather in Finland, December
In December, Finland sees average highs of 0.3°C (33°F) and lows of -3.9°C (25°F), with around 69 mm of rain.

Finland — December

Finland December
Daytime high
0.3°C (33°F)
Overnight low
-3.9°C (25°F)
Rainfall
69 mm
Best-time rank
Off-peak

How December compares

Finland, December vs. the annual average (2025)
This month0.3°C (33°F) / -3.9°C (25°F) · 69 mm
Yearly average9.4°C (49°F) / 3.6°C (38°F) · 67 mm

December in Finland runs 9.1°C (16.4°F) cooler than the yearly average, and is close to the yearly average rainfall. Pack winter clothing — it will be cold.

Common questions

What is the weather like in Finland in December?

Average highs of 0.3°C (33°F) and lows of -3.9°C (25°F), with around 69 mm of rain.

Is December a good time to visit Finland?

It is an off-peak month for comfort in Finland; June, July, August tend to be more pleasant.

Updated climate normals, 2025