Get Exclusive App Deals

Trondheim

Trondheim is a city in northern Norway, famous for its aurora viewing and Arctic Cathedral. From September to April every year, Trondheim's long winter nights greatly increase the opportunity to watch the aurora. The Arctic Cathedral is a modern cathedral with a stained glass about 12 meters high and weighing 6 tons, which exudes beautiful light. The city also offers a variety of outdoor activities, such as dog sledding and whale watching, allowing travelers to experience the excitement and natural beauty of the northern wilderness during the polar night.

Best time to visit Trondheim

Data source: Meteostat・Last updated: 2025-09

Weather in Trondheim throughout the year

Spring (March–May): Average 1.5–10.9°C, cold and humid climate with occasional sunshine; snow is possible in March. Common activities: Hiking, visiting museums and art galleries. Recommended clothing: Warm jacket, waterproof clothing, hat and scarf.

Summer (June–August): Average 13.8–14.6°C, mild climate with plenty of sunshine, but occasional showers. Common activities: Hiking, boating, fishing, exploring the fjords. Recommended clothing: Light jacket, long-sleeved shirt, comfortable and breathable trousers.

Autumn (September–November): Average 5.9–11.1°C, cool climate with frequent rainfall; October is the rainiest month. Common activities: Enjoying autumn scenery, visiting museums and art galleries. Recommended clothing: Waterproof jacket, warm clothing, comfortable shoes.

Winter (December–February): Average -2.5–-0.1°C, cold climate with frequent snowfall and rainfall, temperatures below freezing. Common activities: Skiing, ice skating, visiting indoor attractions. Recommended clothing: Heavy waterproof jacket, warm underwear, hat, gloves, scarf and warm shoes.

Weather in Trondheim

Annual average temperature: approx. 6.2°C / Annual rainfall: approx. 860 mm / Summer humidity: 65%–75% / Rainiest month: October

Trondheim weather by month

MonthJanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember
Temperature-0.7°C-0.1°C1.5°C4.3°C10.9°C13.8°C14.4°C14.6°C11.1°C5.9°C1.1°C-2.5°C
Rainfall (mm)92.274.54046.54068.587.19388.1105.457.467.6

7-day weather forecast for Trondheim

Date11/14Saturday11/15Sunday11/16Monday11/17Tuesday11/18Wednesday11/19Thursday11/20Friday
WeatherPatchy rain nearbyLight snowCloudyCloudyPartly CloudyModerate snowModerate or heavy snow showers
High3.2°C2.3°C1.5°C-0.3°C-4.1°C-2.8°C-0.9°C
Low-2°C-1.2°C-2.2°C-3.8°C-5.4°C-5°C-4°C

Trondheim travel FAQs and useful info

Why is Trondheim famous?

Trondheim is renowned for its deep Viking history, the magnificent Nidaros Cathedral, and its status as Norway's technology and university capital. This dynamic city blends modern innovation with a celebrated culinary scene and boasts picturesque historic wooden architecture lining the river. Visitors can immerse themselves in both its medieval past and a lively contemporary culture, making it a prime destination for history buffs, tech enthusiasts, food lovers, and those seeking outdoor adventures.

What language is spoken in Trondheim?

The primary language spoken in Trondheim is Norwegian. More specifically, the local dialect is Trondheimsk, which is a variety of Trøndersk and falls under Urban East Norwegian.

What was the Viking capital of Norway?

Trondheim is recognized as the original Viking capital of Norway. Today, it is a city where creativity and innovation converge, offering exciting places to explore, great events, and globally acclaimed cutting-edge advancements.

Is Trondheim worth visiting?

Absolutely, Trondheim is a highly rewarding destination. It captivates visitors with charming historical sites like Nidaros Cathedral and the Bakklandet district, a vibrant culinary scene offering innovative Nordic cuisine, and ample opportunities for outdoor activities. It perfectly balances small-town friendliness with the energy of a university town. Trondheim provides a unique cultural experience, serving as a wonderful alternative to Norway's larger cities, all within a compact, walkable setting with convenient connections from other European locations.

What are the main historical attractions in Trondheim?

Trondheim's historical landscape is dominated by the iconic Nidaros Cathedral, Norway's national sanctuary and a significant pilgrimage site with roots stretching back to the Viking Age. Visitors should also explore the enchanting Bakklandet district, famous for its colorful, preserved wooden houses and charming cobbled streets, offering a vivid glimpse into the city's past.