Climate in Trondheim, Norway

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year. Show in Fahrenheit

Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average water temperature

The mean water temperature over the year. Show in Fahrenheit

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc. Show in Inches

Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average humidity

The mean monthly relative humidity over the year

Average wind speed

The mean monthly wind speed over the year (in meters per second)

Weather Forecasts for Trondheim

MON Dec 06
-15°C | -18°C


TUE Dec 07
-15°C | -18°C


WED Dec 08
-13°C | -16°C


The best time of year to visit Trondheim in Norway

Here are some average weather facts we collected from our historical climate data:

  • The months of July, August, September, October and December have a high chance of precipitation.
  • The coldest season / winter is in the months of January and February.
  • The warmest month is July with an average maximum temperature of 18°C (64°F).
  • The coldest month is January with an average maximum temperature of -1°C (30°F).
  • September is the most wet month. This month should be avoided if you are not a big fan of rain.
  • April is the driest month.
  • May is the most sunny month.
No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.