Best time to visit Tromsø

Tromsø is a city of two halves. July scores 53 and December scores 3 — a 50-point swing, which is the difference between a holiday and an endurance test. The month you pick matters more here than almost anywhere. The good window runs July to August — 2 months within ten points of the best.

July is the warmest month at 15.5 °C and January the coolest at -5.5 °C — a 21 °C spread across the year. It never reaches 30 °C in an average year, which takes heat off the list of reasons to avoid any particular month. At the other end, 200 nights a year fall below freezing: the winter here is a real one.

Rain is spread evenly through the year — between 16 and 19 wet days in every month — so there is no dry season to aim for and no wet one to dodge. Whatever you plan, the odds of rain are much the same.

Daylight swings hard — 24 hours at midsummer against 0 at midwinter. That 24-hour difference changes how much fits into a day more than the temperature does.

The three strongest months are July, August, June. The one to think twice about is December. Each month below has its own page with rainfall reliability, extremes, daylight and crowd levels.

Tromsø month by month