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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the MarketUK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Tromsø’s current conditions are shown in the live forecast above for Romssasuolu. Located 350 km north of the Arctic Circle, the city has a subarctic maritime climate: winters are milder than many expect (January average high –2 °C) while summers are cool (July average 12 °C), with rain or snow likely any month.
What are the monthly temperature and daylight extremes?
January and February see average lows around –6 °C and highs of –2 °C, with the polar night (no sunrise) from late November to mid-January. By March, daylight returns and temperatures rise to about –1 °C to 2 °C. The midnight sun runs from mid-May to late July, when July averages 7 °C to 12 °C. For a detailed month-by-month breakdown, you can check tromsø weather by month data, noting that tromsø weather december is dark but not severely cold, while tromsø weather january is the coldest period.
When is the aurora borealis visible?
The aurora forecast is most favourable from September to April, provided the sky is clear and dark. Tromso weather aurora forecast relies on cloud cover and solar activity; the best months are March and October, when temperatures are manageable and nights still long. For a longer outlook, a tromso weather forecast 30 days gives a general trend, but the weather in tromsø 10 days is more reliable for planning aurora trips.
What is the weather in Tromsø during November?
November is a transition month: temperatures hover between –1 °C and 3 °C, with frequent rain and snow. Days shorten rapidly; the aurora becomes visible on clear nights. A tromso weather november check will show increasing cloud cover.
How reliable is a 30‑day forecast for Tromsø?
Long‑range forecasts (30 days) indicate broad trends, not daily accuracy. For precise planning, use the 10‑day forecast above or a tromso weather 14 days outlook, which balances detail and reliability.
Which month has the clearest skies for aurora viewing?
March and April offer the best combination of darkness, mild temperatures (0 °C to 4 °C) and comparatively low cloud cover. September is also good but wetter. Always check the tromso weather aurora forecast before heading out.
Sources
For UK comparisons, see our UK weather hub or the 10 Day Weather Forecast UK page.