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Trondheim

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Trondheim Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Trondheim year round climate

  • 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.

Trondheim climatological average

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

Trondheim monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
-0.7°C
92.2
February
-0.1°C
74.5
March
1.5°C
40
April
4.3°C
46.5
May
10.9°C
40
June
13.8°C
68.5
July
14.4°C
87.1
August
14.6°C
93
September
11.1°C
88.1
October
5.9°C
105.4
November
1.1°C
57.4
December
-2.5°C
67.6

Trondheim weather for the next seven days

12/17
Wednesday
Patchy rain nearby
2.4°C/0.4°C
12/18
Thursday
Patchy rain nearby
2°C/0.7°C
12/19
Friday
Patchy rain nearby
7°C/2.1°C
12/20
Saturday
Patchy rain nearby
5.7°C/1.7°C
12/21
Sunday
Cloudy
3.1°C/2.8°C
12/22
Monday
Partly Cloudy
1.5°C/0.8°C
12/23
Tuesday
Cloudy
0.7°C/0.4°C

Trondheim Frequently Asked Questions and Useful Information for Travel

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.