Yearly weather and climate in Trondheim, Norway
The yearly weather in Trondheim runs from around -4°C in December to 18°C in June. December is the driest month at 13 rainy days; July the wettest at 21. Here is the annual climate data, so you know what you are packing for.
Best time to visit
Weather is fairly consistent year-round. Pack for stable conditions.
Sunshine
Expect up to 12.1 hours of clear skies in Jun, but only 1 hours in Dec. Pack sunglasses and SPF accordingly.
Rainfall
It rains the most in Oct (152mm over 21 days). A reliable rain jacket is a must-have if visiting then.
Day-to-night swings
Temperatures typically drop by 6°C from day to night. Make sure to pack layers for the evenings.
Average temperatures and rainfall
Daily highs and lows in Trondheim, averaged over 10 years of recorded weather, with the number of days it typically rains.
- 134°-425°18Jan
- 235°-425°17Feb
- 541°-228°16Mar
- 745°032°14Apr
- 1356°541°16May
- 1865°1050°14Jun
- 1864°1253°21Jul
- 1763°1152°17Aug
- 1457°847°17Sep
- 948°440°21Oct
- 440°032°15Nov
- 133°-425°13Dec
Bars span the average daily low to high. Numbers under the drop are rainy days per month (1mm or more) — hover a month for its total rainfall. Dec is typically driest at 13 days (101mm); Jul the wettest at 21 days (135mm).
| Month | Average high | Average low | Rainy days | Total rainfall |
|---|---|---|---|---|
| Jan | 1°C | -4°C | 18 | 131mm |
| Feb | 2°C | -4°C | 17 | 101mm |
| Mar | 5°C | -2°C | 16 | 94mm |
| Apr | 7°C | 0°C | 14 | 78mm |
| May | 13°C | 5°C | 16 | 71mm |
| Jun | 18°C | 10°C | 14 | 91mm |
| Jul | 18°C | 12°C | 21 | 135mm |
| Aug | 17°C | 11°C | 17 | 142mm |
| Sep | 14°C | 8°C | 17 | 147mm |
| Oct | 9°C | 4°C | 21 | 152mm |
| Nov | 4°C | 0°C | 15 | 113mm |
| Dec | 1°C | -4°C | 13 | 101mm |
Weather data by Open-Meteo.com
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