Trondheim monthly weather averages

  • Average daytime temperature

    The bar chart below shows the average monthly peak daytime temperatures at Trondheim

    Trondheim average temperature chart
    Average monthly temperatures in Trondheim (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C -0.5 -0 2.9 6 12 15.4 16.1 16.4 12.1 7.6 2.7 0.9
    °F 31.1 32 37.1 42.8 53.6 59.7 61 61.5 53.7 45.7 36.8 33.6

    Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

  • Average rainfall & rainy days

    The graph below shows the average rainfall and number of rainy days per month.

    Average monthly rainfall in Trondheim (mm and inches)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    mm 100 82 81 67 53 70 81 77 133 129 100 123
    inches 3.9 3.2 3.2 2.6 2.1 2.8 3.2 3 5.2 5.1 3.9 4.9
    Rainy days 22 19 18 18 15 17 19 19 24 23 21 24
  • Average daily sunshine

    The bar chart below shows the average daily sunshine hours in Trondheim

    Average daily sunshine Trondheim
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Hrs sunshine 0.6 1.6 3.4 5.2 3.6 0 3.4 6.2 3.9 2.4 1.4 0.5
  • Day / night temperatures

    The graph below shows the daily range of temperatures for each month.

    Maximum and minimum daily temperatures in Trondheim (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Min °C -5.2 -5.1 -3 -0.2 4.4 7.8 9.4 8.9 6 3.1 -1.8 -4
    Max °C -0.4 0.1 3 6.2 12.2 15.6 16.3 16.6 12.2 7.8 2.8 1
    Min °F 22.6 22.8 26.6 31.7 39.9 46 48.8 47.9 42.8 37.5 28.8 24.8
    Max °F 27 27.5 32 37.4 46.9 53.1 55 54.9 48.4 41.7 32.9 29.3
  • Sea temperature

    The graph below shows the average sea temperature.

    Average sea temperature around Trondheim in degrees centigrade and fahrenheit
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 6.7 6.3 6.1 6.3 7.8 10.4 12.8 13.7 12.4 10.3 8.6 7.3
    °F 44.1 43.4 43 43.4 46.1 50.8 55 56.7 54.3 50.6 47.4 45.2
  • Wind speed

    The graph below shows the average wind speed.

    Average wind speed in Trondheim (mph and kmh)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    km/h 21 18 18 17 14 15 13 13 16 17 18 21
    mph 13 11 11 11 9 9 8 8 10 11 11 13

    A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

  • Relative humidity

    The graph below shows the average relative humidity.

    Average relative humidity in Trondheim
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    82% 80% 75% 75% 72% 76% 80% 81% 82% 82% 82% 83%
Trondheim

Other monthly averages

Trondheim weather stats

Trondheim weather statistics
Hottest month: July 16.1°C 61°F
Driest month: May 53mm 2.1ins
Sunniest month: May 3.6hrs
Coldest month: January -0.5°C 31.1°F
Wettest month: September 133mm 5.2ins
Warmest sea: August 13.7°C 56.7°F
Map showing location of Trondheim (63.43049, 10.39506)

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