Weather in Tromsø
What's the weather like in Tromsø?
Tromsø has a moderate climate and moderate rainfall spread across the year. Average daytime highs range from -2°C (28°F) in January to 16°C (61°F) in July, with overnight lows around -7°C (19°F) and 9°C (48°F) respectively.
No month in Tromsø sits in the typical comfort range of 18–26°C. The most temperate months are usually July and August.
Quick facts
- Country
- 🇳🇴 Norway
- Region
- Europe
- Time zone
- Europe/Oslo
- Coordinates
- 69.649, 18.955
Monthly climate
Long-run averages for each month of the year.
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | -2°C / 28°F | -7°C / 19°F | 80 mm | 15 | 12 |
| February | -2°C / 28°F | -7°C / 19°F | 65 mm | 13 | 10 |
| March | -1°C / 30°F | -6°C / 21°F | 65 mm | 12 | 8 |
| April | 2°C / 36°F | -3°C / 27°F | 50 mm | 10 | 4 |
| May | 7°C / 45°F | 1°C / 34°F | 40 mm | 9 | 1 |
| June | 12°C / 54°F | 5°C / 41°F | 55 mm | 10 | 0 |
| July | 16°C / 61°F | 9°C / 48°F | 75 mm | 11 | 0 |
| August | 15°C / 59°F | 9°C / 48°F | 80 mm | 12 | 0 |
| September | 10°C / 50°F | 5°C / 41°F | 90 mm | 12 | 1 |
| October | 4°C / 39°F | 0°C / 32°F | 115 mm | 15 | 3 |
| November | 1°C / 34°F | -3°C / 27°F | 90 mm | 14 | 8 |
| December | -1°C / 30°F | -5°C / 23°F | 85 mm | 15 | 11 |
Tromsø by month
Detailed weather for any specific month:
Cities with a similar climate to Tromsø
Frequently asked questions
When is the best time to visit Tromsø?
The most comfortable months in Tromsø are usually June, July, August, when average highs sit near 18–26°C (64–79°F) with relatively little rain. See the full month-by-month breakdown for the exact figures.
What is the hottest month in Tromsø?
July is typically the hottest month in Tromsø, averaging a high of 16°C (61°F).
What is the coldest month in Tromsø?
January is usually the coldest, with average lows around -7°C (19°F).
Does it snow in Tromsø?
Yes — Tromsø sees some snow, mainly around January (about 12 snow days). Most other months stay snow-free.
Live forecast, sunrise/sunset, and more.