Tromsø monthly weather averages

Average daytime temperature

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

Tromsø average temperature chart (Celsius) Tromsø average temperature chart (Fahrenheit)
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.

Tromsø monthly rainfall chart (mm) Tromsø monthly rainfall chart (inches)
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

Tromsø average daily sunshine chart
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.

Tromsø average minimum / maximum temperatures (Celsius) Tromsø average minimum / maximum temperatures (Fahrenheit)
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.

Tromsø average sea temperature chart (Celsius) Tromsø average sea temperature chart (Fahrenheit)
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.

Tromsø average winspeed by month (km/h) Tromsø average winspeed by month (mph)
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.

Tromsø relative humidity averages
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

UV index Best time to go?

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)

Locations nearby

Top Norway locations

Change units