Yearly weather and climate in Tromsø, Norway
The yearly weather in Tromsø runs from around -7°C in December to 17°C 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.
Best time to visit
Weather is fairly consistent year-round. Pack for stable conditions.
Rainfall
It rains the most in Jan (165mm over 18 days). A reliable rain jacket is a must-have if visiting then.
Day-to-night swings
Temperatures typically drop by 5°C from day to night. Make sure to pack layers for the evenings.
Average temperatures and rainfall
Daily highs and lows in Tromsø, averaged over 10 years of recorded weather, with the number of days it typically rains.
- -327°-719°18Jan
- -228°-620°17Feb
- 032°-523°19Mar
- 236°-327°18Apr
- 846°235°18May
- 1558°847°17Jun
- 1763°1151°15Jul
- 1661°1051°19Aug
- 1152°643°19Sep
- 540°133°19Oct
- 133°-426°17Nov
- -327°-719°12Dec
Bars span the average daily low to high. Numbers under the drop are rainy days per month (1mm or more) — hover a month for its total rainfall. 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 | -7°C | 18 | 165mm |
| Feb | -2°C | -6°C | 17 | 132mm |
| Mar | 0°C | -5°C | 19 | 150mm |
| Apr | 2°C | -3°C | 18 | 111mm |
| May | 8°C | 2°C | 18 | 123mm |
| Jun | 15°C | 8°C | 17 | 84mm |
| Jul | 17°C | 11°C | 15 | 131mm |
| Aug | 16°C | 10°C | 19 | 144mm |
| Sep | 11°C | 6°C | 19 | 139mm |
| Oct | 5°C | 1°C | 19 | 118mm |
| Nov | 1°C | -4°C | 17 | 114mm |
| Dec | -3°C | -7°C | 12 | 90mm |
Weather data by Open-Meteo.com
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