Røros

Sør-Trøndelag Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Sør-Trøndelag, Norway in December.

Thinking about venturing to Sør-Trøndelag, Norway this December and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Sør-Trøndelag in December

Sør-Trøndelag, Norway is a region in Norway. Sør-Trøndelag, Norway has a wide variety of climate types. During December, you can expect temperatures that range from very cold to cold and precipitation levels ranging from moderate to heavy. December falls during the winter season.

Temperatures

During the day the temperature is very cold in Oppdal at -3°C (27°F) and cold in Håvik at 7°C (45°F). As night falls, temperatures generally drop to 3°C (37°F) in Håvik and -11°C (12°F) in Oppdal. In many areas in Norway, December brings with it chilling temperatures. When visiting these parts during this time, it's of utmost importance to be ready. Choose clothing that is both layered and insulating to combat the cold effectively.

To explore the conditions in Sør-Trøndelag, Norway in more detail, check the map below.

Precipitation

In December, precipitation varies across different areas. From moderate snowfall in Røros with an average of 57 mm (2.2 in) to heavy snowfall in Oksvoll with 192 mm (7.6 in).

Average sunshine

Sunshine is more restricted in many locations in December. Trondheim sees roughly 19 hours of sunlight. Our weather planner can help you find destinations with more sunshine if needed.

Explore Sør-Trøndelag by month

Best Places to Visit in Sør-Trøndelag in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Sør-Trøndelag.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Sør-Trøndelag

What is the weather like in December for some of the most popular destinations in Sør-Trøndelag, Norway?

Temperature range in Sør-Trøndelag (December)

Precipitation variation in Sør-Trøndelag (December)

Trondheim

In December Trondheim generally has low temperatures with maximum daytime temperatures around 2°C (36°F), minimum nighttime temperatures around -4°C (25°F) and high monthly snow/rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
5°C (41°F)
2°C (36°F)
2°C (36°F)
Min temperature
-1°C (30°F)
-4°C (25°F)
-5°C (23°F)
Monthly sun hours
49 hours
19 hours
36 hours
Monthly snow/rainfall
88 mm (3.5 in)
105 mm (4.1 in)
106 mm (4.2 in)
Monthly rainy days
22 days
24 days
22 days
Weather conditions

Røros

In December Røros generally has very low temperatures with maximum daytime temperatures around -3°C (27°F), minimum nighttime temperatures around -10°C (14°F) and moderate monthly snowfall. So on average the conditions are poor that month.

November
December
January
Max temperature
0°C (32°F)
-3°C (27°F)
-4°C (25°F)
Min temperature
-6°C (21°F)
-10°C (14°F)
-10°C (14°F)
Monthly snowfall
58 mm (2.3 in)
57 mm (2.2 in)
63 mm (2.5 in)
Monthly rainy days
19 days
20 days
19 days
Weather conditions

Selva

In December Selva generally has low temperatures with maximum daytime temperatures around 4°C (39°F), minimum nighttime temperatures around -1°C (30°F) and heavy monthly snow/rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
6°C (43°F)
4°C (39°F)
3°C (37°F)
Min temperature
1°C (34°F)
-1°C (30°F)
-2°C (28°F)
Monthly sun hours
49 hours
19 hours
36 hours
Monthly snow/rainfall
146 mm (5.7 in)
177 mm (7 in)
168 mm (6.6 in)
Monthly rainy days
22 days
25 days
22 days
Weather conditions

Brekstad

In December Brekstad generally has low temperatures with maximum daytime temperatures around 4°C (39°F), minimum nighttime temperatures around 0°C (32°F) and heavy monthly snow/rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
6°C (43°F)
4°C (39°F)
4°C (39°F)
Min temperature
2°C (36°F)
0°C (32°F)
-1°C (30°F)
Monthly sun hours
49 hours
19 hours
36 hours
Monthly snow/rainfall
155 mm (6.1 in)
188 mm (7.4 in)
176 mm (6.9 in)
Monthly rainy days
23 days
25 days
22 days
Weather conditions

Oppdal

In December Oppdal generally has very low temperatures with maximum daytime temperatures around -3°C (27°F), minimum nighttime temperatures around -11°C (12°F) and moderate monthly snowfall. So on average the conditions are poor that month.

November
December
January
Max temperature
0°C (32°F)
-3°C (27°F)
-4°C (25°F)
Min temperature
-7°C (19°F)
-11°C (12°F)
-11°C (12°F)
Monthly snowfall
73 mm (2.9 in)
79 mm (3.1 in)
83 mm (3.3 in)
Monthly rainy days
17 days
19 days
18 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Sør-Trøndelag, in Norway.

In our records: Norway December extremes

Notable December records observed across cities in Norway in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the coldest December daytime high in Norway was -37°C (-35°F) in Røros on December 20, 1981.

Popular cities in December

Day & night temperatures, rainfall and average weather in Sør-Trøndelag in December.

City Weather Day temp Night temp Rainfall
Trondheim 2°C (36°F) -4°C (25°F) 105 mm (4.1 in)
Røros -3°C (27°F) -10°C (14°F) 57 mm (2.2 in)
Selva 4°C (39°F) -1°C (30°F) 177 mm (7 in)
Brekstad 4°C (39°F) 0°C (32°F) 188 mm (7.4 in)
Oppdal -3°C (27°F) -11°C (12°F) 79 mm (3.1 in)
Knarrlagsund 6°C (43°F) 1°C (34°F) 169 mm (6.7 in)

Sør-Trøndelag weather in December: frequently asked questions

What is the weather like in Sør-Trøndelag, Norway in December?

In December, Sør-Trøndelag, Norway generally has poor weather conditions. Trondheim sees daytime temperatures near 2°C (36°F), with nights cooling to roughly -4°C (25°F).

What is the average temperature in Sør-Trøndelag, Norway in December?

Daytime temperatures in Trondheim peak at roughly 2°C (36°F) in December, dropping to about -4°C (25°F) overnight.

Does Sør-Trøndelag, Norway get a lot of snow/rain in December?

Trondheim typically receives notable snow/rainfall in December, about 105 mm (4.1 in) on average across Sør-Trøndelag, Norway.

Is December a Good Time to Visit Sør-Trøndelag, Norway?

Given the typically poor weather conditions in Trondheim, December may not be the ideal time to visit Sør-Trøndelag, Norway.

On average, the best time to visit Sør-Trøndelag, Norway is in July with generally pleasant weather in Trondheim. On the other hand, the months of January, February, March, April, October, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Sør-Trøndelag.

Weather and climate has detailed information for every country in the world. Are you going to Norway? Get detailed historical weather averages for many cities in Norway.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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