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Climate · Tromsø

Tromsø in August

Mild and wet, as the days shorten.

Typical weather, averaged over 30 years

August in Tromsø is mild: highs near 63°F, lows near 49°F. Rain falls on about four days a week, more often as the month goes on, and the days shorten by 5 hours 4 minutes from the first week to the last.August in Tromsø is mild: highs near 17°C, lows near 9°C. Rain falls on about four days a week, more often as the month goes on, and the days shorten by 5 hours 4 minutes from the first week to the last.

High
63°F17°Caverage
Low
49°F9°Caverage
Wet days
4a week · 52% of days
Daylight
17h 54mon average

Is August a good time to visit Tromsø?

Yes. August is one of Tromsø's best months (July to August).

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 August sits in the year

week by week

Temperature

Highs near 63°F in August, against 24°F to 64°F through the year.Highs near 17°C in August, against -4°C to 18°C through the year.

Chance of a wet day

52% of days in August, against 51% to 65% through the year.

Cloud cover

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

Daylight

17h 54m in August, against No sunrise to 24h through the year.

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

Either side

  1. July64°18°low 49°low 9°4 wet days a weekRain on about four days a week.
  2. August63°17°low 49°low 9°4 wet days a weekRain on about four days a week.
  3. September55°13°low 42°low 6°5 wet days a weekRain on about five days a week.

Where Tromsø sits, in August

Europe/Oslo
this place
typical high in August 40°F4°C95°F35°C
Sunrise, mid-August
3:41 AMsets 9:57 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 August, 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 August

high · low · wet days
See August 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.