Tromsø Climate: Weather by Month and Best Time to Visit
Best months for Tromsø: July, August.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -4°C | -10°C | 105 mm | 15 | – | – | 3.0 |
| February | -4°C | -10°C | 93 mm | 14 | – | – | 3.2 |
| March | -1°C | -7°C | 102 mm | 16 | – | – | 2.9 |
| April | 3°C | -3°C | 85 mm | 15 | – | – | 3.7 |
| May | 8°C | 2°C | 91 mm | 16 | – | – | 4.6 |
| June | 12°C | 6°C | 92 mm | 15 | – | – | 5.4 |
| July | 15°C | 9°C | 90 mm | 14 | – | – | 6.1 |
| August | 14°C | 8°C | 102 mm | 15 | – | – | 5.7 |
| September | 11°C | 5°C | 124 mm | 17 | – | – | 4.7 |
| October | 4°C | 0°C | 128 mm | 17 | – | – | 3.6 |
| November | 0°C | -5°C | 95 mm | 15 | – | – | 3.0 |
| December | -2°C | -8°C | 103 mm | 15 | – | – | 2.9 |