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Tromso in December: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Tromso in December will be like? Take a look at our weather guide for Tromso, based on historical data.
Check flight prices to Tromso on Avionero:
December

Weather in Tromso in December 2024

OK Weather
Cold
☁️
Cloudy
December could be a good time to visit Tromso, as the weather is generally fine. The average high temperature is around +30°F, and there are typically 4 sunny days in December. However, expect about 7 snowy days, and total monthly rainfall of approximately 61 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+30°F
Avg. max. temperature
-18°F
Min.
+50°F
Max.
61 mm
Total precipitation
79%
Avg. humidity
3 m/s
Avg. wind
4 ☀️
Sunny Days
16 ⛅️
Cloudy
4 🌦
Rainy
Our opinion: Tromso has OK weather in December.

Average temperature in Tromso in December

Here are the expected maximum, average and minimum temperatures in Tromso for December based on the historical data.
Last Year
Historical Data

The temperature in December is +30°F on average, with a range between a maximum of +41°F during the day and a minimum of +9°F at night.

The average maximum temperature goes up 11% by the end of the month, compared with the beginning of the month, from +37°F to +41°F.

Is Tromso warm or cold in December?

Tromso is typically cold in December.

Maximum temperatures go down compared to the previous month from +34°F to +30°F. The minimum temperature also goes down from +27°F to +19°F.

Wear your winter warms as it will be cold. To save space, layer, and don’t forget gloves and a scarf.

December is one of the coolest months in Tromso, here is the comparison with other months:

Climate in Tromso in December

Tromso weather looks like this, on average, in December and the surrounding months.
NovemberDecemberJanuary
Avg. temperature
+34°F+30°F+28°F
Min. temperature
-11°F-18°F-22°F
Max. temperature
+54°F+50°F+48°F
Rainfall
69 mm61 mm53 mm
Wind
3 m/s3 m/s3 m/s
Humidity
80%79%79%
Air pressure
1003 HPa1001 HPa1001 HPa
Sunny days
444
Cloudy days
151616
Rainy days
643
Snowy days
578

December weather is still as ok as in November. It’s getting colder in December. From +34°F in the day, the average maximum temperature lowers to +30°F. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 69 mm to 61 mm. It feels drier, as humidity decreases from 80% to 79%. The average wind speed doesn’t change much during December, staying around 3 m/s. The amount of sunny days stay about the same, averaging 4 sunny days during the month.

January brings much the same weather, it remains ok.

Wind

Wind speed in Tromso in December based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 10 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Tromso is gradually increasing during December, going from 2 m/s to 6 m/s over the course of the month.

Rain

Amount of rainfall in mm during December in Tromso based on historical data.
Last Year
Historical Data
Typically, there is a 10% chance of rain on an average day in December, with total rainfall of approximately 15 mm. The maximum amount of rainfall per day is around 11 mm, which is considered light rain. Tromso is amazing in December with as little as 3 rainy days on average, so plan adventures in the great outdoors.
Here’s how December is compared with other months in the amount of precipitation, total mm:
Tromso wettest month is October, where a typical day has a 39% chance of precipitation and 126 mm of rainfall per day. February, on the other hand, is the driest month with a mere 10% chance of precipitation and 46 mm of rainfall per day.

Snow

Amount of snow in mm during December in Tromso based on historical data.
Last Year
Historical Data
Typically, there is a 23% chance of snow on an average day in December, with a total monthly snowfall of approximately 44 mm.

Here’s how December is compared with other months in the amount of snow, total mm:

How was the weather last December in Tromso?

This is the weather in Tromso in December 2023:
1 December
☁️
+38°F
2 December
🌫️
+36°F
3 December
☀️
+31°F
4 December
☁️
+31°F
5 December
🌧️
+37°F
6 December
🌨️
+37°F
7 December
☁️
+27°F
8 December
☁️
+25°F
9 December
☁️
+25°F
10 December
☀️
+17°F
11 December
☀️
+18°F
12 December
☀️
+14°F
13 December
☀️
+17°F
14 December
☁️
+34°F
15 December
🌨️
+35°F
16 December
🌨️
+33°F
17 December
☁️
+29°F
18 December
☀️
+22°F
19 December
☁️
+25°F
20 December
☁️
+24°F
21 December
🌨️
+24°F
22 December
🌨️
+29°F
23 December
☁️
+29°F
24 December
🌨️
+32°F
25 December
🌨️
+34°F
26 December
☀️
+26°F
27 December
☀️
+37°F
28 December
☀️
+31°F
29 December
☀️
+36°F
30 December
☁️
+36°F
31 December
☁️
+41°F
In December 2023 Tromso had 10 sunny days, 12 cloudy days, and 1 rainy days. The average maximum temperature was +30°F, with an absolute maximum of +41°F and a minimum of +14°F. The average humidity was 76%, with a maximum of 100% and a minimum of 37%. The average wind speed was 4 m/s, with a maximum of 19 m/s and a minimum of 0 m/s.
Are you planning a trip in December?

Climate Change Over the Years

This is how Tromso climate has changed over the last 43 years.

The climate in Tromso in December has not changed that much over the last 43 years.

The average temperature was the lowest in 1986 (+20°F) and the highest in 1990 (+43°F). The driest year was 2012 with only 1 mm of rainfall, and the wettest year was 1980 with 0 mm.

FAQ

Frequently asked questions about the weather in Tromso in December:

Is December a good time to visit Tromso?

It’s always a good time to visit Tromso, but the weather is changeable in December, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Tromso in December?

Not really, December is not the best time to sunbathe, unless you visit a local solarium.

Is Tromso rainy in December?

Tromso is often rainy in December. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Tromso in December?

Usually, it’s not very sunny in Tromso in December, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Norway

Check out the weather for other cities in Norway.

Monthly weather in Tromso

Source of the data

For this page, we’ve looked at the typical weather in Tromso, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.