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Tromso Climate & Weather

Tromso Climate and Weather


Tromsø has a continental sub-arctic climate with cold winter weather and short summers. It rains year-round with October generally seeing the highest rainfall. Tromsø usually has a lot of snow in winter (December to April) and cool summers. In February, which is mid-winter, the average temperatures range between 20.3°F (-6.5°C) and 28.2°F (-2.1°C); and in July, the hottest month of summer, average temperatures range between 47.7°F (8.7°C) and 59.5°F (15.3°C). Occasional summer heat waves can bring temperatures reaching up to 86°F (30°C). Large areas in the Tromsø municipality are located above the treeline and have an alpine tundra climate.

The best time to visit Tromso depends on desired activities: although the winter months are harsh, many people choose to visit during the cold months to witness the Aurora Borealis and enjoy snow activities. Summer is unpredictable in Tromso, with plenty of dull, drizzly days interspersed with lovely sunny periods. The Midnight Sun can be seen between about 18 May and 26 July, but there is no real darkness between late-April and mid-August. On the other hand, the best time to see the Northern Lights is between 21 September and 21 March. Purely from a weather perspective, May is often considered the best month to visit Tromso, as it receives the least rain and the most sunshine.


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