Tromsø weather
11-year climate averages (2015–2025), month by month
Tromsø in september
Current month averages, based on 11 complete years of records (2015–2025). Read the full guide →
Tromsø sits at 69°38′N 18°57′E in Norway, in Europe. Its climate profile is shaped by these coordinates — and the 11 complete years of records below (2015–2025) reveal exactly how each season feels on the ground.
Below, you'll find monthly averages for temperature, rainfall and sunshine, drawn from the Open-Meteo Archive. Every month links to a full guide with what to pack, where to stay, and when to arrive.
The year in weather
Tromsø weather by month
Pick a month for the full climate guide — temperature, rainfall, sunshine, packing tips and hotel deals for Tromsø.
Places that feel like Tromsø in september
Tromsø weather — FAQ
Q01What is the hottest month in Tromsø?
What is the hottest month in Tromsø?
July runs the highest averages in Tromsø, with typical daytime highs of 17°C (63°F). Plan around midday and consider accommodation with reliable cooling.
Q02What is the coldest month in Tromsø?
What is the coldest month in Tromsø?
January brings the lowest averages, with daytime highs near -4°C (25°F). Layer up and expect shorter daylight hours if you plan sightseeing.
Q03Which month has the most rain in Tromsø?
Which month has the most rain in Tromsø?
January typically records the highest monthly rainfall — around 140mm on average. Plan indoor alternatives and pack proper rain gear if visiting this month.
Q04What is the climate like in Tromsø?
What is the climate like in Tromsø?
Tromsø, Norway has cool summers, freezing winters, moderate seasonal rainfall. You can read the detailed month-by-month breakdown on this page.