The best times to visit Tromso for ideal weather are
May 14th to August 5th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Tromso Travel Guide
Other Tromso Travel Info
Weather in Tromso
Average temperatures in Tromso vary greatly. Considering humidity, temperatures feel cold for most of the year with a chance of rain or snow throughout most of the year. The area is far less temperate than some — in the 4th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Tromso, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally early August where highs are regularly around 63.5°F (17.5°C) with temperatures rarely dropping below 49.2°F (9.6°C) at night.
Tromso Temperatures (Fahrenheit)
Tromso Temperatures (Celsius)
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Tromso Perceived Temperature (F)
Tromso Perceived Temperature (C)
Average Tromso Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Tromso are August, May, and then June. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid May. For example, on the week of May 14th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in late September with an average of 3 days of significant precipitation the week of September 24th.
When can you find snow in Tromso? Weather stations report very large amounts of snow likely to be deepest around March, especially close to early April. The best time to ski (if at all) in Tromso is often around around March 12th when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Tromso.
Snow on the Ground
The graph below shows the average snow on the ground in Tromso (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Tromso has some very humid months, with other comfortably humid months. The least humid month is May (56.5% relative humidity), and the most humid month is October (74.3%).
Wind in Tromso is usually calm. The windiest month is March, followed by February and December. March’s average wind speed of around 7.9 knots (9.1 MPH or 14.6 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early March where average top sustained speeds reach 14.5 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Tromso.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
|Month||Avg. Wind||Avg. Wind Feel||Sustained High Wind||High Wind Feel|
|Jan||7.7||Gentle breeze||12.7||Significant breeze|
|Feb||7.9||Gentle breeze||12.8||Significant breeze|
|Mar||7.9||Gentle breeze||13.2||Significant breeze|
|Apr||6.5||Light breeze||11.3||Significant breeze|
|May||5.8||Light breeze||10.3||Significant breeze|
|Jun||5.3||Light breeze||9.1||Gentle breeze|
|Jul||4.9||Light breeze||9||Significant breeze|
|Aug||4.9||Light breeze||8.9||Gentle breeze|
|Sep||5.3||Light breeze||9.5||Significant breeze|
|Oct||6.5||Light breeze||11.1||Significant breeze|
|Nov||7.2||Gentle breeze||12||Significant breeze|
|Dec||7.8||Gentle breeze||13||Significant breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Tromso?
Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for Norway; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Aug 22, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Tromso, Norway is May, followed by September and July. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Tromso in March. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall Tromso Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel very cold. Highs range from 55.7°F (13.2°C) and 32.3°F (0.2°C) with warmer temperatures in the later months. Rain is somewhat common with 8 to 11 days of significant precipitation per month. Spring is fairly slow for tourism, which makes it a good time for those looking for deals.
Summer (June through August)
The middle-year months have cold weather with high temperatures that are brisk. These months see the least precipitation with 7 to 8 days of precipitation per month. June – August is the busiest season for tourism in Tromso, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 54.9°F (12.7°C) and 33.5°F (0.8°C), which will feel chilly given the humidity and wind. It rains or snows a good amount: 9 to 12 days per month. Tourism is the second busiest during these months due to the weather, so hotels may be slightly higher priced.
Winter (December through February)
Weather is far too cold this time of year in Tromso to be enjoyable for warm weather travelers. The average high during this season is between 33.7°F (0.9°C) and 28.3°F (-2.1°C). On average, it rains or snows a fair amount: 7 to 12 times per month. These times of year are the slowest with tourists.