May · Norway
Best time to visit Tromso in May Weather, crowds & prices
Weather in Tromso in May
Average temperature 6°C, 150 mm of rain, about 15 days with 6+ hours of sunshine and 82% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
6.0/10
Ranked #5 of 12 months
- Avg temp
- 6°C
- Rainfall
- 150 mm
- Humidity
- 82%
- Days with 6h+ sun
- 15
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Tromso scores 6.0/10 for nature and wildlife travel - an above-average month (#5 of 12). Expect around 6°C, 150 mm of rain, and roughly 15 days with 6+ hours of sunshine this month.
Tromsø sits on an island inside the Arctic Circle, with the Arctic Cathedral across the water and the Fjellheisen cable car rising above the city.
May in Tromso — workable with trade-offs
May averages 6°C (43°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 150 mm this is a genuinely wet month: about 15 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 6/10 here, 5th of 12 months, against 8.7/10 in the destination's best month.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.
Figure on mid-season pricing, with crowds are moderate.
Flexible dates? June scores 2.7 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Tromso in May?
- In May, Tromso averages 6°C, 150 mm of rain, and about 15 days with 6+ hours of sunshine. Its climate-comfort score is 6.0/10.
- Is May a good time to visit Tromso?
- May earns a 6.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Tromso in May?
- Expect about 150 mm of rain in May. Average humidity is 82% and there are about 15 days with 6+ hours of sunshine.
Curated in Tromso
Tickets & experiences
Things to do in Tromso
Tromso, Norway. Live activities and tours from GetYourGuide, matched to this destination.