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When is the best time to visit Tromso?
In general the best time to visit Tromso is probably July, when the weather is usually great. The hottest months are June, July, August, while the coldest months are January, February, December.
Depending on the activities you want to experience, you may choose different months to visit:
- In general, it’s pleasant to walk and do outdoor activities during .
- If you want to avoid wet weather, then your choice is September, October, November with the lowest chance of rain.
Average weather in Tromso in different months
This is the average weather in Tromso for each month based on historic data:
In January, February, March, April, May, June, July, August, September, October, November, December the weather is average. Expect around 137 rainy days, and the precipitation amounts to approximately 128 mm in September.
Climate in Tromso
Here is the detailed breakdown of the climate in Tromso for each month:
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum Temperature | |||||||||||
| +9°C | +9°C | +10°C | +17°C | +25°C | +31°C | +30°C | +29°C | +21°C | +17°C | +12°C | +10°C |
| Average Maximum Temperature | |||||||||||
| -2°C | -2°C | +1°C | +4°C | +9°C | +14°C | +17°C | +16°C | +12°C | +6°C | +1°C | -1°C |
| Minimum Temperature | |||||||||||
| -30°C | -29°C | -24°C | -16°C | -8°C | 0°C | +4°C | +2°C | -5°C | -21°C | -24°C | -28°C |
| Avg. water temperature | |||||||||||
| +7°C | +6°C | +5°C | +6°C | +8°C | +11°C | +13°C | +13°C | +12°C | +10°C | +10°C | +9°C |
| Humidity, % | |||||||||||
| 79 | 78 | 76 | 74 | 71 | 73 | 78 | 79 | 81 | 81 | 80 | 79 |
| Rain, mm | |||||||||||
| 53 | 47 | 48 | 60 | 89 | 93 | 102 | 109 | 128 | 124 | 68 | 60 |
| Snow, mm | |||||||||||
| 58 | 58 | 55 | 34 | 6 | 0 | 0 | 0 | 1 | 15 | 35 | 53 |
| Average wind speed, m/s | |||||||||||
| 4 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 3 | 3 | 4 |
| Sunny Days | |||||||||||
| 4 | 4 | 3 | 4 | 4 | 2 | 3 | 2 | 2 | 2 | 3 | 4 |
| Cloud Days | |||||||||||
| 8 | 7 | 8 | 7 | 7 | 7 | 8 | 9 | 6 | 7 | 8 | 8 |
| Rainy Days | |||||||||||
| 2 | 2 | 3 | 7 | 17 | 20 | 20 | 20 | 21 | 15 | 7 | 3 |
| Snowy Days | |||||||||||
| 16 | 16 | 16 | 12 | 4 | 0 | 0 | 0 | 0 | 7 | 12 | 16 |
Average Temperature
Here are the average maximum and minimum temperatures in Tromso during the whole year:
The hottest month in Tromso is July with average maximum temperature going up to +17°C. The coldest month is January with the lowest temperatures of -8°C.
Water temperature
Here are the water temperatures in Tromso during the whole year:
Tromso achieves its warmest water temperature in August, where the average sea temperature goes up to +11°C. Coldest water temperature is in March with +4°C in average.
Humidity
The temperature feels different depending on humidity. Here is how humidity in Tromso looks throughout the year, in %:
The most humid month in Tromso is October with average humidity going up to 81%. The least humid month is May with an average humidity of 71%.
Rain
Amount of rainfall in mm. in Tromso during the whole year based on historical data:
The sunniest and driest month is February with approximately 4 sunny days and a total precipitation of around 47 mm. The rainiest and wettest month is September with approximately 21 rainy days and 128 mm of total precipitation.
Snow
Amount of snow in mm. in Tromso during the whole year based on historical data:
The snowiest month is February with approximately 16 snowy days.
FAQ
Frequently asked questions about the weather in Tromso:
What is the hottest month in Tromso?
The hottest month in Tromso is July with average maximum temperature of +17°C.
What is the coldest month in Tromso?
The coldest month in Tromso is January with minimum temperatures of -8°C.
Is Tromso worth visiting in winter?
Winter in Tromso could be a good time to visit, as the weather is generally ok.
When does it rain the least in Tromso?
if you're looking to visit Tromso when it rains the least, you should plan your trip for September, October, August. During this time, rainfall is rare with the driest month being February with only 47 mm of rain.
Other cities in Norway
Check out the weather for other cities in Norway.
Monthly weather in Tromso
Source of the data
For this page, we’ve looked at the typical weather in Tromso, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.