Tromsø Weather in May
May in Tromsø brings low temperatures, with highs of 9°C (48°F) and nights dropping to 2°C (36°F). Rainfall is on the higher side this month, averaging around 99 mm (3.9 in), so keep a rain jacket handy.
Rainfall in Tromsø in May
Looking at the last 30 years, the data shows about 15 days with rain, averaging 99 mm (3.9 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Tromsø in May
Tromsø in May gets highs of 9°C (48°F) during the day and drops to 2°C (36°F) at night. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. Nights drop to 2°C (36°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Tromsø in May
The city usually sees around 219 hours of sunlight, indicating many sunny days despite the cool temperatures, making it a good month for sightseeing.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Tromsø.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Norway, check out our Tromsø's climate page.
Tromsø Temperature in May
Min Temperature
2°C (36°F)
Max Temperature
9°C (48°F)
Chance of Rain
50%
Precipitation
99 mm (3.9 in)
Rainy days
15 days
Sunshine
219 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Tromsø typically rise from around 6°C (43°F) at the start of May to approximately 11°C (52°F) by the end. Nights are cold, with lows typically ranging from 0°C (32°F) to 5°C (41°F).
Average temperatures in May
Historical weather for Tromsø in May
Browse day-by-day weather records for Tromsø spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Tromsø historical weather extremes in May
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Tromsø.
- Tromsø recorded its highest May temperature of 26°C (79°F) on May 30, 2024.
- On May 3, 1981, Tromsø saw its coldest May day with temperatures maxing out at -1°C (30°F).
- The coldest night in May in Tromsø was on May 1, 1981, with a minimum of -9°C (16°F).
Best Places in Norway in May
Find out more about the weather in Norway and which places have the best travel conditions in this month. See all of Norway in May →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Tromsø in May
Dress warmly and in layers for your trip to Tromsø in May. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Tromsø in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Norway, check out our Tromsø's climate page.
See the full Tromsø climate overview or explore weather in Norway.
