Year-round weather and climate in Tromsø, Norway
Average temperatures in Tromsø run from an average low of -7°C19°F in December up to an average high of 17°C63°F in July. December is the driest month at 12 rainy days; March the wettest at 19. Here is the annual climate data, so you know what you are packing for.
Good to know
- Population
- 42K
- Currency
- NOK
- Language
- Norwegian Nynorsk / Norwegian Bokmål
- Time zone
- Oslo
Best time to visit
For the warmest temperatures and best chance of outdoor activities, plan your trip around June, July, and August.
Rain character
Tropical Downpours: Expect intense bursts of rain during wetter months. Pack quick-drying footwear and a compact umbrella.
Day-to-night swing
Evening Chill: Temperatures drop by a noticeable 7°C13°F when the sun goes down. A light sweater or jacket is usually all you need for evening plans.
Seasonality Profile
Deep Continental: Dominated by long, freezing winters. Summers are brief but pleasantly mild.
Evening vibe
Cozy Indoor Culture: Evenings are generally crisp, damp, or sweltering. Nightlife centers around indoor venues.
Sightseeing stamina
All-Day Strolling: Weather is generally forgiving for long walking days. Comfortable sneakers are your most important packing item.
Average temperatures, sunshine, and rainfall
Average monthly weather in Tromsø, based on recent historical data. Essential insights on temperature swings, expected rainfall, and daily sunshine.
Bars span the average daily low to high. Dec is typically driest at 12 days (90mm); Mar the wettest at 19 days (150mm).
| Month | Average high | Average low | Rainy days | Total rainfall |
|---|---|---|---|---|
| Jan | -3°C / 27°F | -7°C / 19°F | 18 | 165mm |
| Feb | -2°C / 28°F | -6°C / 20°F | 17 | 132mm |
| Mar | 0°C / 32°F | -5°C / 23°F | 19 | 150mm |
| Apr | 2°C / 36°F | -3°C / 27°F | 18 | 111mm |
| May | 8°C / 46°F | 2°C / 35°F | 18 | 123mm |
| Jun | 15°C / 58°F | 8°C / 47°F | 17 | 84mm |
| Jul | 17°C / 63°F | 11°C / 51°F | 15 | 131mm |
| Aug | 16°C / 61°F | 10°C / 51°F | 19 | 144mm |
| Sep | 11°C / 52°F | 6°C / 43°F | 19 | 139mm |
| Oct | 5°C / 40°F | 1°C / 33°F | 19 | 118mm |
| Nov | 1°C / 33°F | -4°C / 26°F | 17 | 114mm |
| Dec | -3°C / 27°F | -7°C / 19°F | 12 | 90mm |
Weather data by Open-Meteo.com (opens in a new tab)
Frequently Asked Questions
What clothes should I pack for Tromsø?
Your packing list depends entirely on when you travel. Temperatures in Tromsø swing from an average low of -7°C19°F in December up to 17°C63°F in July. The Packola app builds a tailored packing list for you based on the live weather forecast for your exact travel dates.
Do I need to pack an umbrella for Tromsø?
Tromsø gets rain on about 208 days out of the year. The wettest month is March. If you're traveling during the rainy season, you'll definitely want to pack an umbrella and a light rain jacket.
Pack smarter.
Averages get you close, but the week you travel is what matters. Get the live forecast, a smart packing list, and discover the best local spots and activities in Tromsø with Packola.
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