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Climate · Tromsø

Tromsø in May

Chilly and wet, the midnight sun begins during the month.

Typical weather, averaged over 30 years

May in Tromsø is chilly: highs near 47°F, lows near 33°F. Rain falls on about four days a week, and the midnight sun begins during the month.May in Tromsø is chilly: highs near 8°C, lows near 1°C. Rain falls on about four days a week, and the midnight sun begins during the month.

High
47°F8°Caverage
Low
33°F1°Caverage
Wet days
4a week · 56% of days
Daylight
22h 00mon average

Is May a good time to visit Tromsø?

May sits outside Tromsø's best months, which run from July to August. Expect chilly days and rain on about four days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How May sits in the year

week by week

Temperature

Highs near 47°F in May, against 24°F to 64°F through the year.Highs near 8°C in May, against -4°C to 18°C through the year.

Chance of a wet day

56% of days in May, against 51% to 65% through the year.

Cloud cover

64% cover in May, against 62% to 76% through the year.

Daylight

22h 00m in May, against No sunrise to 24h through the year.

Week by week, lightly smoothed, with May shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. April38°3°low 25°low -4°4 wet days a weekRain on about four days a week.
  2. May47°8°low 33°low 1°4 wet days a weekRain on about four days a week.
  3. June57°14°low 43°low 6°4 wet days a weekRain on about four days a week.

Where Tromsø sits, in May

Europe/Oslo
this place
typical high in May 40°F4°C95°F35°C
Sunrise, mid-May
1:49 AMsets 11:32 PM
Above the sea
10 mlow-lying
Latitude
69.7°Nnorthern hemisphere
Nearest of ours
Leinesfjord262 km south-west

The land around Tromsø, shaded by its typical high in May, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Norway in May

high · low · wet days
See May on the planning mapThe whole year in Tromsø

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Tromsø. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (10 m) against the climate model's (207 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (10 m) against the climate model's (207 m). Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.