Oslo Weather in December
December in Oslo brings very low temperatures, with highs of 1°C (34°F) and nights dropping to -5°C (23°F). Rainfall is on the higher side this month, averaging around 72 mm (2.8 in), so keep a rain jacket handy.
Rainfall in Oslo in December
Snow/rain is expected on roughly 17 days, totalling around 72 mm (2.8 in) for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.
Temperature in Oslo in December
Expect highs of 1°C (34°F) in Oslo in December, with nights dropping to around -5°C (23°F). December is part of winter. Cold conditions tend to persist from morning through evening, so be prepared for winter weather. At -5°C (23°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.
Sunshine in Oslo in December
The month has fewer sunny days, with around 39 hours of sunshine.
Wind Speed in Oslo in December
Average wind conditions reach 1 m/s (2 knots) in December. This creates generally peaceful weather with subtle air movement. Remember this is an average: some days are windless while others have noticeable or very gentle breezes.
Average water temperature in December
At 6°C (43°F), the water is very cold. Most people find it too uncomfortable for anything beyond a brief wade.December in Oslo has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Norway, check out our Oslo's climate page.
Oslo Temperature in December
Min Temperature
-5°C (23°F)
Max Temperature
1°C (34°F)
Water Temperature
6°C (43°F)
Chance of Rain
55%
Precipitation
72 mm (2.8 in)
Rainy days
17 days
Humidity
86%
Windspeed
1 m/s (2 knots)
Sunshine
39 hours
Percentage Sunshine
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Oslo typically stay consistent throughout December, with daily highs averaging around 1°C (34°F). Nights are very cold, with lows typically ranging from -9°C (16°F) to -5°C (23°F).
Average temperatures in December
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Oslo in December
Browse day-by-day weather records for Oslo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Best Places in Norway in December
Find out more about the weather in Norway and which places have the best travel conditions in this month. See all of Norway in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Oslo in December
Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Rain gear is recommended, you can expect wet weather on multiple days. Expect water temperatures of around 6°C (43°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.What To Do in Oslo 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 Norway, check out our Oslo's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Oslo climate overview or explore weather in Norway.
