Weather in Tromsø in July

Shoulder season. July is shoulder season in Tromsø — cheaper, quieter, and a genuine gamble. You should expect rain on 18 days of the month, which is more days wet than dry.

July is the highest-scoring month of the twelve. The nearest rival is August, and the month at the other end of the year is December.

Rain on 18 days, 3 of them heavy. Enough to need a plan B, not enough to need a plan around it. Pack for 15.5 °C days and 8.7 °C nights; the spread matters more here than any single number.

What the averages hide

The averages here are honest — no hidden extremes worth planning around. Across the twenty years measured, the hottest July day reached 28.3 °C and the coldest night fell to 2.7 °C, and the wettest single day dropped 48 mm — roughly 43% of the month's rain in one day.

July is moderately variable: 29 mm in the driest year against 205 mm in the wettest, around an average of 112 mm. Roughly two Julys in three land near that average, and the third does something else entirely.

Wind is light at 1.9 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 81%, high enough to notice on the warm days without dominating them.

How July sits in the year

This is a turning point in the year — June and August sit on opposite sides of it, so the month contains the change rather than following it.

Daylight in July

The sun does not set. July in Tromsø runs on 24-hour daylight, which is worth planning around in both directions: you can walk at midnight, and you will not sleep without a blackout blind.

An inland climate

With no coast nearby, the year swings a fair way — 26.3 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage.

How busy it gets

Peak season. Expect the highest prices of the year and to be booking well ahead.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

July in Tromsø versus nearby

If Tromsø is one option among several, the nearby comparison is worth making. Rovaniemi is a better bet in July — 4.1 °C warmer, the same number of rain days. Umeå is a better bet in July — 4.3 °C warmer, 3 days less rain.

So: July is the answer for Tromsø. If it is booked out or priced out, August is the next best thing at 5 points behind, and December is the month to keep off the shortlist.

Every month in Tromsø

See all twelve months in Tromsø, or where else to go in July.