Tromsø
-5 to 14°C
temperature
1134 hours
sunshine per day
786 mm
rain
103 days
dry
146 days
rain
116 days
snow

Climate of Tromsø

Tromsø has a tundra climate. It is cold here all year round. The average annual temperature for Tromsø is 3° degrees and there is about 784 mm of rain in a year. It is dry for 121 days a year with an average humidity of 84% and an UV-index of 2.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between -5°C and 14°C
  • Night:the average nighttime temperature is between -9°C and 9°C
  • Sea temperature: the sea temperature is between 5°C and 15°C
  • Rain: it rains 146 days and there is a total of approximately 786 mm rainfall
  • Snow: it snows an average of 116 days per year
  • Sun hours: throughout the year there are 1134 sun hours
Maximum temperature: between -5°C and 14°C
Warmest month: 14°C in July
Coldest month: -5°C in January
Night temperature: between -9°C and 9°C
Sea temperature: between 5°C and 15°C
Dry days: 103 days
Days with rain: 146 days
Days with snow: 116 days
Total rain sum: 786 mm
Hours of sunshine: 1134 hours

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Tromsø.

Precipitation graph

This graph shows the average amount of rainfall per month for Tromsø.

Climate table of Tromsø

In this climate table you can see at a glance what the average weather per month is for Tromsø. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Tromsø might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) -5 -4 -2 1 5 9 14 13 10 3 0 -2
Night temp. (°C) -8 -9 -7 -4 1 5 9 8 5 1 -2 -6
Water temp. (°C) 7 6 5 5 7 10 13 15 12 11 9 7
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 60 68 81 60 50 64 50 56 66 87 75 69
Days with rain 5 4 7 10 15 19 18 18 17 15 11 7
Days with snow 15 15 22 16 7 2 - - 1 8 12 18
Dry days 11 9 2 4 9 9 13 13 12 8 7 6
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 1 3 3 5 4 0 3 8 6 3 1 0
Wind force (Bft) 3 3 3 3 3 3 2 2 3 3 3 3
UV-index 1 1 1 1 2 3 4 3 2 1 1 2

Best time to visit Tromsø

The best time to visit Tromsø in Norway is from January through December. In this period you have a very cold temperature and little precipitation. The highest average temperature in Tromsø is 14°C in July and the lowest is -5°C in January. The highest water temperature is 15°C and at its coldest the water is 5°C.

Climate of Tromsø by month

What is the average climate in a given month for Tromsø? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

Tromsø weather experiences

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