Best Time to Visit Trondheim
Best time: Jun, Jul, Aug, May.
Jul is warmest (18.2°C high); Sep is rainiest (108 mm).
Trondheim weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 1 | -4.8 | 80 | 0.3 |
| Feb | 1.6 | -4.3 | 70 | 1.3 |
| Mar | 4.2 | -2.2 | 62 | 3.2 |
| Apr | 7.7 | 0.3 | 57 | 5.9 |
| May | 13.4 | 4.6 | 53 | 7.9 |
| Jun | 16.2 | 7.9 | 70 | 8.5 |
| Jul | 18.2 | 10 | 87 | 8 |
| Aug | 17.5 | 9.6 | 86 | 6.1 |
| Sep | 13.5 | 6.4 | 108 | 3.7 |
| Oct | 8.6 | 2.8 | 106 | 1.6 |
| Nov | 3.9 | -1.2 | 81 | 0.5 |
| Dec | 1.6 | -3.9 | 102 | 0.2 |
Average high temperature
Best months by activity
Overall: JunJulAugMay
Beaches: MayAprJunJul
Hiking: MayJunJulAug
Sightseeing: JunJulAugMay
Trondheim quick facts
What to pack
Cold months (Jan, Feb, Mar, Apr, Oct, Nov, Dec): warm layers and a coat.
Wet months (Sep, Oct, Dec): raincoat and umbrella.
Frequently asked questions
When is the best time to visit Trondheim?
Jun, Jul, Aug, May.
What is the rainiest month?
Sep, about 108 mm.
What is the warmest month?
Jul, with average highs of 18.2°C.
Where to stay
See Trondheim hotels · Book Trondheim tours & activities
All destinations · Best time to visit Stavanger · Best time to visit Oslo · Best time to visit Kristiansand · Best time to visit Drammen
Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.