Weather in Tromso in May 2025
- May is usually the driest month of the year in Tromso
Average weather
Average temperature in Tromso in May
The expected average maximum temperature in May is +48°F with a maximum of +64°F and a minimum of +25°F.
The average maximum temperature goes up 5% by the end of the month, compared with the beginning of the month, from +45°F to +46°F.
Is Tromso warm or cold in May?
Tromso is typically chill in May.
Maximum temperatures go up compared to the previous month from +39°F to +48°F. The minimum temperature also goes up from +30°F to +37°F.
Pack a jumper and a jacket as there will be cooler temperatures.
Take a look at how May is compared to other months in Tromso:
Water temperature in Tromso in May
Water in Tromso in May is Cold. It varies from +39°F to +47°F, with an average of +43°F. This is almost similar to the air temperature, which averages +48°F.
In May, water temperatures are average relative to the rest of the year:
Can you swim in Tromso in May?
Climate in Tromso in May
| April | May | June | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +39°F | +48°F | +57°F | ||||
| Min. temperature | ||||||
| +3°F | +18°F | +32°F | ||||
| Max. temperature | ||||||
| +63°F | +77°F | +88°F | ||||
| Rainfall | ||||||
| 60 mm | 89 mm | 93 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Avg. water temperature | ||||||
| +40°F | +43°F | +48°F | ||||
| Humidity | ||||||
| 74% | 71% | 73% | ||||
| Air pressure | ||||||
| 1010 HPa | 1013 HPa | 1011 HPa | ||||
| Sunny days | ||||||
| 4 | 4 | 2 | ||||
| Cloudy days | ||||||
| 7 | 7 | 7 | ||||
| Rainy days | ||||||
| 7 | 17 | 20 | ||||
| Snowy days | ||||||
| 12 | 4 | 0 | ||||
May weather is still as ok as in April. It’s getting warmer as May arrives. The average maximum temperature goes up from +39°F to +48°F during the day. Prepare for more rain. Average rainfall goes from 60 mm to 89 mm. It feels drier, as humidity decreases from 74% to 71%. The average wind speed doesn’t change much during May, staying around 3 m/s. The amount of sunny days stay about the same, averaging 4 sunny days during the month.
June brings much the same weather, it remains ok.
Wind
The average wind speed is 5 m/s getting up to 12 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Tromso is gradually increasing during May, going from 1 m/s to 7 m/s over the course of the month.
Rain
Snow
Here’s how May is compared with other months in the amount of snow, total mm:
How was the weather last May in Tromso?
Climate Change Over the Years
The climate in Tromso in May has not changed that much over the last 43 years.
The average temperature was the lowest in 1981 (+39°F) and the highest in 1990 (+46°F). The driest year was 1980 with only 614 mm of rainfall, and the wettest year was 1989 with 1352 mm.
FAQ
Is May a good time to visit Tromso?
Can you sunbathe in Tromso in May?
Can you swim in Tromso in May?
Is Tromso rainy in May?
Is it sunny in Tromso in May?
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.