The weather in Tromso in January is very cold with temperatures between 14°F and 21°F, warm clothes are a must.
You can expect about 3 to 8 days of rain in Tromso during the month of January. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Let it snow! You can expect Tromso to be covered in white during the month of January. Be sure to bundle up when you venture outside, or take the opportunity to enjoy hot cocoa by the fire for warmth this month.
Our weather forecast can give you a great sense of what weather to expect in Tromso in January 2026.
If you’re planning to visit Tromso in the near future, we highly recommend that you review the 14 day weather forecast for Tromso before you arrive.
Temperatures
21° / 14°
Rainy Days
6
Snowy Days
18
Dry Days
8
Rainfall
6.02
in
Sun Hours
6.2
Hrs
