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Tromso in January: Weather, Average temperature and Climate

Discover the weather for Tromso in January and if it’s a good time to travel (based on historical data).
Check flight prices to Tromso on Avionero:
January

Weather in Tromso in January 2025

OK Weather
Cold
🌨️
Snowy
🌊
Cold water
January could be a good time to visit Tromso, as the weather is generally fine. The average high temperature is around +28°F, and there are typically 4 sunny days in January. However, expect about 16 snowy days, and total monthly rainfall of approximately 58 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • January is usually the coldest month of the year in Tromso;

Average weather

☀️
+28°F
Avg. max. temperature
-22°F
Min.
+48°F
Max.
53 mm
Total precipitation
79%
Avg. humidity
4 m/s
Avg. wind
4 ☀️
Sunny Days
8 ⛅️
Cloudy
2 🌦
Rainy
Our opinion: Tromso has OK weather in January.

Average temperature in Tromso in January

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

The expected average maximum temperature in January is +34°F with a maximum of +46°F and a minimum of +3°F.

The average maximum temperature goes down 12% by the end of the month, compared with the beginning of the month, from +36°F to +30°F.

Is Tromso warm or cold in January?

Tromso is typically cold in January.

Maximum temperatures go down compared to the previous month from +30°F to +28°F. The minimum temperature also goes down from +19°F to +18°F.

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

January is the coldest month in Tromso, here is the comparison with other months:

Water temperature in Tromso in January

Water in Tromso in January is Cold. It varies from +39°F to +44°F, with an average of +41°F. Note that the air temperature is lower than the water temperature, averaging around +28°F.

In January, water temperatures are average relative to the rest of the year:

The warmest water temperatures in Tromso are reached in August, when the average sea temperature rises to +52°F. The coldest water temperatures are in March, with an average of +40°F.

Can you swim in Tromso in January?

We would not recommend swimming in Tromso in January, the water is very cold (+41°F on average). Consider swimming only if you are an experienced cold-water swimmer with proper gear.
🦭
Cold
Below +61°F
🏄‍♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
You will need a full-body wetsuit, cap, gloves, a warm change of clothes, and a hot drink ready for after your swim.

Climate in Tromso in January

Tromso weather looks like this, on average, in January and the surrounding months.
DecemberJanuaryFebruary
Avg. temperature
+30°F+28°F+28°F
Min. temperature
-18°F-22°F-20°F
Max. temperature
+50°F+48°F+48°F
Rainfall
60 mm53 mm47 mm
Wind
4 m/s4 m/s4 m/s
Avg. water temperature
+44°F+41°F+40°F
Humidity
79%79%78%
Air pressure
1001 HPa1002 HPa1003 HPa
Sunny days
444
Cloudy days
887
Rainy days
322
Snowy days
161616

January weather is still as ok as in December. It’s getting colder in January. From +30°F in the day, the average maximum temperature lowers to +28°F. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 60 mm to 53 mm. Humidity levels don’t change as the month goes on, averaging around 79%. The average wind speed doesn’t change much during January, staying around 4 m/s. The amount of sunny days stay about the same, averaging 4 sunny days during the month.

February brings much the same weather, it remains ok.

Wind

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

The average wind speed is 6 m/s getting up to 12 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 decreasing during January, going from 6 m/s to 3 m/s over the course of the month.

Rain

Amount of rainfall in mm during January in Tromso based on historical data.
Last Year
Historical Data
Total precipitation in January is about 30 mm, with a 29% chance of rain on a typical day. The maximum amount of rainfall per day is around 12 mm, which is considered light rain. On average, there are about 9 rainy days during January, so prepare to bring an umbrella.
Here’s how January is compared with other months in the amount of precipitation, total mm:
Tromso wettest month is September, where a typical day has a 70% chance of precipitation and 128 mm of rainfall per day. February, on the other hand, is the driest month with a mere 7% chance of precipitation and 47 mm of rainfall per day.

Snow

Amount of snow in mm during January in Tromso based on historical data.
Last Year
Historical Data
The total snow in January is about 84 mm, with a 32% chance of snow on a typical day.

January is one of the snowiest months in Tromso.

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

How was the weather last January in Tromso?

This is the weather in Tromso in January 2023:
1 January
🌨️
+35°F
2 January
🌧️
+36°F
3 January
☁️
+33°F
4 January
☀️
+32°F
5 January
☀️
+21°F
6 January
☀️
+19°F
7 January
☀️
+23°F
8 January
☀️
+30°F
9 January
☀️
+32°F
10 January
☀️
+30°F
11 January
☀️
+33°F
12 January
🌨️
+32°F
13 January
🌨️
+36°F
14 January
☁️
+36°F
15 January
☀️
+31°F
16 January
☁️
+30°F
17 January
🌨️
+38°F
18 January
☀️
+35°F
19 January
☁️
+35°F
20 January
☀️
+36°F
21 January
🌧️
+38°F
22 January
🌧️
+47°F
23 January
🌧️
+43°F
24 January
🌨️
+36°F
25 January
🌨️
+34°F
26 January
🌨️
+32°F
27 January
🌧️
+41°F
28 January
🌨️
+38°F
29 January
🌨️
+34°F
30 January
☁️
+24°F
31 January
🌨️
+31°F
In January 2023 Tromso had 11 sunny days, 5 cloudy days, and 5 rainy days. The average maximum temperature was +34°F, with an absolute maximum of +46°F and a minimum of +19°F. The average humidity was 79%, with a maximum of 99% and a minimum of 37%. The average wind speed was 6 m/s, with a maximum of 19 m/s and a minimum of 0 m/s.
Are you planning a trip in January?

Climate Change Over the Years

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

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

The average temperature was the lowest in 1981 (+39°F) and the highest in 1990 (+46°F). The driest year was 1980 with only 614 mm of rainfall, and the wettest year was 1989 with 1352 mm.

FAQ

Frequently asked questions about the weather in Tromso in January:

Is January a good time to visit Tromso?

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

Can you sunbathe in Tromso in January?

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

Can you swim in Tromso in January?

Swimming in Tromso in January is challenging and not recommended for inexperienced swimmers or without proper equipment and preparation.

Is Tromso rainy in January?

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

Is it sunny in Tromso in January?

Usually, it’s not very sunny in Tromso in January, 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, 2023.

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.