Trondheim
Fjord-side student city — Nidaros, Bakklandet's wooden lanes, even summers in the high teens.
Cool, wet, and shifting. Bring a jumper.
Forecast updated 15 Sept, 04:25 UTC. Trip dates: 2026-09-16 – 2026-09-23. 10.7°C cooler than New York over the same dates.
Days 1–5 are usually reliable, 6–10 drift, 11–14 are the model guessing. Check again the day before you fly — more on what this can and can't do.
The dependable Nordic chain — book direct, breakfast included.
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When to go, where to stay, what to eat, what to avoid.
When to go
From the 2026 climate study, not the live forecast.Norway's third city at 17–20°C through summer: the Nidaros cathedral, the wharf-side Bakklandet lanes, the fjord and the student energy. Far enough north that heatwaves arrive blunted — a dependable high-teens summer when the continent bakes.
Cheapest return we found (may differ from your weather window): 23–29 Jan · 1+ stops. Live search on Kiwi.
Common questions about Trondheim
When is the best time to visit Trondheim?
June–August is when we'd go. The live forecast on this page shows what the next two weeks look like.
Is Trondheim worth visiting in June?
Yes. June sits inside the best stretch (June–August). Once your dates fall within the next two weeks, the forecast above gives you the real picture.
Is Trondheim good in September?
September sits between the windows in Trondheim. Good weather happens; the odds are simply better in June–August. For dates inside the next two weeks, trust the forecast above over any season rule.
Dates settling? Compare hotels on Booking and flights on Kiwi — both open with the forecast's best window pre-filled.
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