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Weather & Climate
Tromsø, Troms, Norway
Overview
Climate data and monthly weather averages for Tromsø.
Key Metrics
Annual Avg
1°C
Summer Avg
10.7°C
Winter Avg
-7.2°C
Record High
28.3°C
Record Low
-27.1°C
Annual Precipitation
1344.6 mm
Avg Humidity
90%
Summer Humidity
82%
Winter Humidity
95%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 3.6° | -8° | -27.1° | 106.3 | 95% | 0 | 53.2 |
| Feb | 2.8° | -7.8° | -26.6° | 107.8 | 95% | 7 | 52.7 |
| Mar | 2.9° | -5.3° | -21.7° | 120 | 93% | 40 | 58.2 |
| Apr | 12.8° | -1.4° | -15.7° | 88.8 | 92% | 91 | 41.8 |
| May | 25.3° | 4.2° | -9.1° | 94.5 | 85% | 136 | 38.4 |
| Jun | 27° | 8.7° | -1.9° | 105.9 | 81% | 144 | 27.8 |
| Jul | 28.3° | 12.5° | 2.7° | 111.9 | 81% | 134 | 22 |
| Aug | 26.9° | 11° | -0.1° | 112.8 | 85% | 96 | 21.5 |
| Sep | 19.3° | 6.9° | -4.3° | 136.5 | 90% | 49 | 32.5 |
| Oct | 12.2° | 0.9° | -14.9° | 121.8 | 95% | 16 | 35.2 |
| Nov | 8.1° | -3.4° | -20.5° | 114 | 95% | 1 | 51.3 |
| Dec | 5.2° | -5.8° | -22.6° | 124.3 | 95% | 0 | 52.9 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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