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When is the best time to visit Trondheim?
In general the best time to visit Trondheim is probably July, when the weather is usually great. The hottest months are June, July, August, while the coldest months are January, February, December.
But ultimately the best time to visit depends on what you want to do:
- In general, it’s pleasant to walk and do outdoor activities during July - August.
- If you want to avoid wet weather, then your choice is October, November, December with the lowest chance of rain.
Average weather in Trondheim in different months
This is the average weather in Trondheim for each month based on historic data:
June usually has good weather. Average maximum temperature reaches +61°F during June.
In January, February, March, April, May, July, August, September, October, November, December the weather is average. Expect around 145 rainy days, and the precipitation amounts to approximately 124 mm in August.
Climate in Trondheim
Here is the detailed breakdown of the climate in Trondheim for each month:
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum Temperature | |||||||||||
| +54°F | +54°F | +61°F | +72°F | +82°F | +90°F | +90°F | +86°F | +77°F | +72°F | +61°F | +55°F |
| Average Maximum Temperature | |||||||||||
| +32°F | +34°F | +39°F | +46°F | +55°F | +61°F | +66°F | +64°F | +57°F | +48°F | +39°F | +34°F |
| Minimum Temperature | |||||||||||
| -27°F | -18°F | -9°F | +10°F | +23°F | +36°F | +39°F | +36°F | +28°F | +10°F | 0°F | -8°F |
| Avg. water temperature | |||||||||||
| +47°F | +44°F | +43°F | +46°F | +52°F | +59°F | +61°F | +63°F | +60°F | +55°F | +52°F | +49°F |
| Humidity, % | |||||||||||
| 79 | 78 | 73 | 71 | 70 | 73 | 76 | 78 | 79 | 80 | 80 | 80 |
| Rain, mm | |||||||||||
| 49 | 38 | 50 | 59 | 83 | 106 | 118 | 124 | 121 | 92 | 62 | 59 |
| Snow, mm | |||||||||||
| 49 | 45 | 38 | 19 | 2 | 0 | 0 | 0 | 0 | 7 | 25 | 41 |
| Average wind speed, m/s | |||||||||||
| 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 |
| Sunny Days | |||||||||||
| 2 | 2 | 3 | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 2 | 2 |
| Cloud Days | |||||||||||
| 9 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 8 | 9 | 10 |
| Rainy Days | |||||||||||
| 4 | 4 | 6 | 12 | 20 | 22 | 23 | 23 | 21 | 18 | 9 | 5 |
| Snowy Days | |||||||||||
| 16 | 14 | 13 | 8 | 2 | 0 | 0 | 0 | 0 | 3 | 10 | 14 |
Average Temperature
Here are the average maximum and minimum temperatures in Trondheim during the whole year:
The hottest month in Trondheim is July with average maximum temperature going up to +66°F. The coldest month is January with the lowest temperatures of +23°F.
Water temperature
Here are the water temperatures in Trondheim during the whole year:
Trondheim achieves its warmest water temperature in August, where the average sea temperature goes up to +58°F in average. Coldest water temperature is in March with +41°F in average.
Humidity
The temperature feels different depending on humidity. Here is how humidity in Trondheim looks throughout the year, in %:
The most humid month in Trondheim is December with average humidity going up to 80%. The least humid month is May with an average humidity of 70%.
Rain
Amount of rainfall in mm. in Trondheim during the whole year based on historical data:
The sunniest and driest month is March with approximately 3 sunny days and a total precipitation of around 50 mm. The rainiest and wettest month is August with approximately 23 rainy days and 124 mm of total precipitation.
Snow
Amount of snow in mm. in Trondheim during the whole year based on historical data:
The snowiest month is January with approximately 16 snowy days.
FAQ
Frequently asked questions about the weather in Trondheim:
What is the hottest month in Trondheim?
The hottest month in Trondheim is July with average maximum temperature of +66°F.
What is the coldest month in Trondheim?
The coldest month in Trondheim is January with minimum temperatures of +23°F.
Is Trondheim worth visiting in winter?
Winter in Trondheim could be a good time to visit, as the weather is generally ok.
When does it rain the least in Trondheim?
if you're looking to visit Trondheim when it rains the least, you should plan your trip for August, September, July. During this time, rainfall is rare with the driest month being February with only 38 mm of rain.
Other cities in Norway
Check out the weather for other cities in Norway.
Monthly weather in Trondheim
Source of the data
For this page, we’ve looked at the typical weather in Trondheim, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.