Quick decision
When to visit Tromsø?
🌞 Best time overall
July
🌡️ Optimal temperature
10°C–17°C in July
🌧 Least rain
47% rainy days in July
🌧 Wettest month
January (52%)
📅 Best score
7.1/10
By trip type
Best time by type of trip
Northern LightsSeptember–March — one of the best spots in the world.
Midnight SunMay–July — 24h light, hiking and night kayaking.
Whale WatchingNovember–January — orcas and humpback whales in the fjords.
Dog SleddingDecember–March — sled excursions and Sami reindeer.
Monthly climate data
Tromsø weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ❄️ January | -8°C | -3°C | 52% | 4.8 | 0.0h | 0.6/10 |
| ❄️ February | -7°C | -2°C | 54% | 4.1 | 0.8h | 0.7/10 |
| ❄️ March | -6°C | -1°C | 59% | 4.3 | 5.1h | 1.3/10 |
| 🌨️ April | -3°C | 3°C | 57% | 3.5 | 9.5h | 3.2/10 |
| 🌦️ May | 2°C | 7°C | 55% | 3.4 | 10.4h | 4.0/10 |
| 🌦️ June | 7°C | 13°C | 61% | 3.6 | 10.4h | 4.5/10 |
| 🌦️ July | 10°C | 17°C | 47% | 3.3 | 12.8h | 7.1/10 |
| 🌦️ August | 9°C | 15°C | 60% | 4.2 | 9.8h | 4.8/10 |
| 🌦️ September | 6°C | 11°C | 56% | 3.9 | 6.1h | 3.8/10 |
| 🌨️ October | 1°C | 4°C | 54% | 3.4 | 2.3h | 1.1/10 |
| 🌨️ November | -4°C | 1°C | 55% | 3.7 | 0.0h | 0.6/10 |
| ❄️ December | -7°C | -2°C | 50% | 3.6 | 0.0h | 0.8/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Challenging climate
Average 3°C, 57% rainy days, 8.3h sunshine/day. Score: 2.8/10.
☀️ Summer (Jun–Aug) — Acceptable
Average 15°C, 56% rainy days, 11.0h sunshine/day. Score: 5.5/10.
🍂 Autumn (Sep–Nov) — Challenging climate
Average 5°C, 55% rainy days, 2.8h sunshine/day. Score: 1.8/10.
❄️ Winter (Dec–Feb) — Challenging climate
Average -2°C, 52% rainy days, 0.3h sunshine/day. Score: 0.7/10.
Accommodation
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Check availability during the recommended period
Tip : off-peak months (January, February) are cheapest but weather is significantly worse.
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Activities and tours in Tromsø
Guided tours, skip-the-line tickets and local experiences.
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Flights
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Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
July is ideal with 47% rainy days and 17°C.
January is the wettest month with 52% rainy days.
Yes, July is the best month with an average of 17°C.
In winter, the average score is 0.7/10. Difficult period — prefer the peak season.
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