Best Time to Visit Trondheim, Sør-Trøndelag, Norway
Month-by-month climate guide for planning a trip to Trondheim.
Trondheim does not have a month that clearly fits our sunny profiles. Its practical travel window centres on its warmest (July, 14°C / 57.2°F) and driest (May, 53 mm / 2.1 in) months. The drier stretch runs through November and January–June; the wetter half falls in July–October and December. At the city itself, monthly average temperatures range from -2.4°C / 27.7°F in January to 14°C / 57.2°F in July, with rainfall from 53 mm / 2.1 in (May) to 106 mm / 4.2 in (September). These are point-value climate normals sampled at Trondheim, Sør-Trøndelag, Norway's coordinates — usually more actionable for travellers than the country-wide average. Trondheim's climate is broadly seasonal. The full month-by-month table below lets you match your travel window against our five weather profiles.
Recommended months
| Month | Temp | Rain | Feels like |
|---|---|---|---|
| May | 9°C48.2°F | 53 mm2.1″ | — |
| June | 12°C53.6°F | 71 mm2.8″ | — |
| July | 14°C57.2°F | 88 mm3.5″ | — |
No month at Trondheim matches our sunny profiles. The three above are the driest-and-warmest fallback.
Frequently asked questions
When is the best time to visit Trondheim?
Trondheim doesn't have a month that clearly matches our sunny profiles. The practical travel window centres on May (driest, ~53 mm / 2.1 in) and July (warmest, 14°C / 57.2°F). Because these are point values at the city, they can differ substantially from Norway's national average.
When is the rainy season in Trondheim?
The rainy season at Trondheim, Sør-Trøndelag runs through July–October and December, when monthly rainfall exceeds the annual median of about 78 mm / 3.1 in. The wettest single month is September (106 mm / 4.2 in).
What is the driest month in Trondheim?
The driest month in Trondheim is May, averaging about 53 mm / 2.1 in of rainfall. Temperature that month averages 9°C / 48.2°F.
What months should I avoid visiting Trondheim?
The least comfortable months for travel to Trondheim — based on point-value climate at the city — are January, February, March, September, October, December. These are the wettest or coolest months at this location. Rainfall peaks at 106 mm / 4.2 in in September, and the coldest month averages -2.4°C / 27.7°F.
Is Trondheim climate different from Norway overall?
Yes, usually. Our Trondheim figures are point-value climate normals sampled at the city itself, while our Norway figures are area-weighted averages across the whole country. The two can diverge substantially in geographically diverse or elevation-varied countries. The month-by-month table below reflects Trondheim specifically — usually the more actionable data for a traveller planning to spend time in the city.