City in Troms, Norway
Tromsø weather by month and the best time to visit
When to go to Tromsø
Late Sep–Mar for Northern Lights; Feb–Mar adds light and snow. Midnight sun runs late May–July. Polar night is late Nov to mid Jan.
Tromsø weather by month
Average daily high, rainfall and conditions.
- Jan-5°106 mm
- Feb-4°109 mm
- Mar-2°120 mm
- Apr2°89 mm
- May8°95 mm
- Jun12°106 mm
- Jul16°112 mm
- Aug15°113 mm
- Sep10°136 mm
- Oct4°122 mm
- Nov-1°114 mm
- Dec-3°124 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | -5°C23°F | -10°C14°F | 106 mm | 96% | Freezing |
| February | -4°C24°F | -10°C14°F | 109 mm | 95% | Freezing |
| March | -2°C29°F | -8°C18°F | 120 mm | 93% | Freezing |
| April | 2°C35°F | -3°C26°F | 89 mm | 92% | Freezing |
| May | 8°C46°F | 2°C35°F | 95 mm | 85% | Cold |
| June | 12°C54°F | 6°C43°F | 106 mm | 81% | Cool |
| July | 16°C62°F | 10°C49°F | 112 mm | 81% | Cool |
| August | 15°C59°F | 8°C47°F | 113 mm | 85% | Cool |
| September | 10°C50°F | 5°C41°F | 136 mm | 90% | Cold |
| October | 4°C38°F | 0°C31°F | 122 mm | 95% | Cold |
| November | -1°C31°F | -5°C23°F | 114 mm | 96% | Freezing |
| December | -3°C27°F | -8°C18°F | 124 mm | 96% | Freezing |
Best months across Norway
Quick answers
What is the best month to visit Tromsø?
Feb–Mar, Jun–Jul, Oct. Late Sep–Mar for Northern Lights; Feb–Mar adds light and snow. Midnight sun runs late May–July. Polar night is late Nov to mid Jan.
When is the rainy season in Tromsø?
Rain peaks in September with about 136 mm. No month averages 150 mm or more.
What is the hottest month in Tromsø?
July, with average highs of 16°C (62°F).
How cold does Tromsø get?
The coolest nights are in January, averaging -10°C (14°F).
More about Tromsø
Going to Tromsø solo?
SoloSquare is where travelers, nomads and locals in Tromsø meet up for small plans: coffee, dinners, walks and day trips. Join one, or start your own in a minute.
Sources
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Temperatures are adjusted by 0.6°C for the city's elevation. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.