Tromsø: Weather Guide & Climate
Complete month-by-month weather guide: Tromsø. Best time to visit: September, October, November, December, January, February, March. Plan your trip with detailed climate data.
Climate Overview
Tromsø has a cool climate with average yearly highs of 6°C, lows of 0°C, and approximately 19 rainy days per month.
The best time to visit Tromsø is during September, October, November, December, January, February, March, when weather is pleasant and ideal for outdoor activities
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Air Quality
Best Time
Sep, Oct, Nov, Dec, Jan, Feb, Mar
Hottest
Coldest
Driest Month
Forecast for your trip dates
Up to 16 days ahead| Month | High | Low | Rainy days | Condition |
|---|---|---|---|---|
| January | -1°C | -5°C | 21 | Excellent (best) |
| February | -1°C | -6°C | 24 | Excellent (best) |
| March | -1°C | -5°C | 26 | Excellent (best) |
| April | 1°C | -3°C | 19 | Wet |
| May | 5°C | 0°C | 16 | Wet |
| June | 14°C | 7°C | 8 | Good |
| July | 16°C | 10°C | 19 | Wet |
| August | 14°C | 8°C | 25 | Wet |
| September | 11°C | 6°C | 22 | Excellent (best) |
| October | 6°C | 1°C | 12 | Excellent (best) |
| November | 3°C | -2°C | 20 | Excellent (best) |
| December | -1°C | -6°C | 11 | Excellent (best) |
Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025
Weather by Season
Winter
Dec–Feb
High: -1°C
Low: -6°C
Rainy days: 19 days/month
Spring
Mar–May
High: 2°C
Low: -3°C
Rainy days: 20 days/month
Summer
Jun–Aug
High: 15°C
Low: 8°C
Rainy days: 17 days/month
Autumn
Sep–Nov
High: 7°C
Low: 2°C
Rainy days: 18 days/month
Month-by-Month Weather Table
January
BestFebruary
BestMarch
BestApril
May
June
July
August
September
BestOctober
BestNovember
BestDecember
Best| Month | High | Low | Rainy days | Condition | View Details |
|---|---|---|---|---|---|
| January (best) | -1°C | -5°C | 21 | Excellent | View Details → |
| February (best) | -1°C | -6°C | 24 | Excellent | View Details → |
| March (best) | -1°C | -5°C | 26 | Excellent | View Details → |
| April | 1°C | -3°C | 19 | Wet | View Details → |
| May | 5°C | 0°C | 16 | Wet | View Details → |
| June | 14°C | 7°C | 8 | Good | View Details → |
| July | 16°C | 10°C | 19 | Wet | View Details → |
| August | 14°C | 8°C | 25 | Wet | View Details → |
| September (best) | 11°C | 6°C | 22 | Excellent | View Details → |
| October (best) | 6°C | 1°C | 12 | Excellent | View Details → |
| November (best) | 3°C | -2°C | 20 | Excellent | View Details → |
| December (best) | -1°C | -6°C | 11 | Excellent | View Details → |
Tromsø
Arctic Circle gateway for Northern Lights with Northern Lights hunting tours and Arctic Cathedral, midnight sun, and polar adventures.
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Common Questions
What type of climate does Tromsø have?
Tromsø has a Cool climate with average yearly temperatures of 6°C (highs) and 0°C (lows).
When is the best time to visit Tromsø?
The best time to visit Tromsø is during September, October, November, December, January, February, March, when temperatures average around -1°C and conditions are ideal for sightseeing.
What are the hottest and coldest months in Tromsø?
The hottest month in Tromsø is July with average highs of 16°C, while the coldest is February with average lows of -6°C.
When is the rainy season in Tromsø?
Tromsø sees the most rain in March (26 rainy days), while June is the driest month (8 rainy days).
More Tromsø Guides
Best Time to Visit
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Things to Do
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Itineraries
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Overview
Complete travel guide for Tromsø: top things to do, itineraries, and typical costs.