Tromsø monthly weather averages

  • Average daytime temperature

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

    Tromsø average temperature chart
    Average monthly temperatures in Tromsø (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C -2 -1.7 0.1 2.7 6.7 11.2 14.3 13.2 8.7 4.3 0.6 -1
    °F 28.4 28.9 32.2 36.9 44 52.2 57.8 55.8 47.7 39.7 33.1 30.2

    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 Tromsø (mm and inches)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    mm 91 78 65 55 45 55 68 73 94 118 95 95
    inches 3.6 3.1 2.6 2.2 1.8 2.2 2.7 2.9 3.7 4.6 3.8 3.7
    Rainy days 22 20 18 17 15 16 18 18 21 23 22 23
  • Average daily sunshine

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

    Average daily sunshine Tromsø
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Hrs sunshine 0.1 1.4 3.8 6.3 0 0 0 2.9 3.7 2.1 0.7 0.1
  • Day / night temperatures

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

    Maximum and minimum daily temperatures in Tromsø (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Min °C -10.2 -9.9 -9 -5.3 -0.3 4 6.5 5.8 2.1 -1.6 -6 -9
    Max °C -1.8 -1.5 0.4 2.9 6.9 11.4 14.5 13.4 8.9 4.4 0.8 -0.8
    Min °F 13.6 14.2 15.9 22.5 31.6 39.2 43.7 42.4 35.8 29.1 21.2 15.8
    Max °F 21.2 21.7 24.3 29.8 37.9 45.9 50.9 49.3 41.9 34.5 27.3 23.2
  • Sea temperature

    The graph below shows the average sea temperature.

    Average sea temperature around Tromsø in degrees centigrade and fahrenheit
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 5.4 4.9 4.6 4.7 5.9 8 10.3 11.4 10.2 8.5 7.4 6.4
    °F 41.8 40.8 40.2 40.4 42.6 46.5 50.5 52.5 50.4 47.3 45.3 43.5
  • Wind speed

    The graph below shows the average wind speed.

    Average wind speed in Tromsø (mph and kmh)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    km/h 13 13 13 13 12 12 10 9 10 12 12 12
    mph 8 8 8 8 8 8 6 6 7 7 8 8

    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 Tromsø
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    80% 79% 74% 74% 72% 72% 77% 78% 80% 79% 81% 79%
Tromsø

Other monthly averages

Tromsø weather stats

Tromsø weather statistics
Hottest month: July 14.3°C 57.7°F
Driest month: May 45mm 1.8ins
Sunniest month: May 0hrs
Coldest month: January -2°C 28.4°F
Wettest month: October 118mm 4.6ins
Warmest sea: August 11.4°C 52.5°F
Map showing location of Tromsø (69.6489, 18.95508)

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