Ruka Weather in December
Ruka in December averages -4°C (25°F) during the day and -11°C (12°F) at night. This is part of the winter season. Some snowfall is to be expected.
Rainfall in Ruka in December
Analyzing past climate data, one can expect approximately 22 days of snow, averaging 48 mm (1.9 in). Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.
Temperature in Ruka in December
Temperatures in Ruka in December top out at -4°C (25°F) and drop to -11°C (12°F) overnight. December is part of winter. Cold conditions tend to persist from morning through evening, so be prepared for winter weather. At -11°C (12°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. This month is extremely cold, so be sure to dress in layers to keep warm. Proper preparation can help you stay comfortable.
Wind Speed in Ruka in December
Average wind conditions reach 2 m/s (4 knots) in December. This creates comfortable weather with light winds that gently move vegetation. Keep in mind this is an average. Daily conditions range from near-calm to more noticeable wind.If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Ruka. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Finland, check out our Ruka's climate page.
Ruka Temperature in December
Min Temperature
-11°C (12°F)
Max Temperature
-4°C (25°F)
Chance of Rain
72%
Precipitation
48 mm (1.9 in)
Rainy days
22 days
Humidity
87% *
Windspeed
2 m/s (4 knots) *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Ruka typically drop from around -5°C (23°F) at the start of December to approximately -9°C (16°F) by the end. Nights are very cold, with lows typically ranging from -16°C (3°F) to -9°C (16°F).
Average temperatures in December
Historical weather for Ruka in December
Browse day-by-day weather records for Ruka spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ruka historical weather extremes in December
Our historical data for Ruka spans 1976 to 2025, revealing these weather extremes.
- The warmest day in December was on December 2, 2024, with a maximum of 4°C (39°F).
Best Places in Finland in December
Find out more about the weather in Finland and which places have the best travel conditions in this month. See all of Finland in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Ruka in December
It's wise to bundle up for freezing conditions in Ruka in December. If you have a winter jacket with good insulation, waterproof winter boots, thermal layers, and warm accessories it's smart to pack them. Hand and foot warmers can be lifesavers, especially during the night. Wet weather is likely, so pack waterproof gear for multiple rainy days.What To Do in Ruka in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Finland, check out our Ruka's climate page.
Temperature Rainfall Humidity Wind Speed
See the full Ruka climate overview or explore weather in Finland.
