Tromso weather in August 2025

Expect 55°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Tromso in August. Check more long-term weather averages for Tromso in August before you book your next holiday to Norway in 2025/2026.

55
55°F max day temperature
6
6 hours of sunshine per day
18
18 days with some rainfall
43
43°F min night temperature
18
18 hours of daylight per day
0
No heat & humidity
2.9
2.9 inches of monthly rainfall
2
2 (Low) UV index
52
52°F sea temperature

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The August weather guide for Norway (Tromso) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

More about Norway

How warm is it in Tromso in August?

Daytime temperatures usually reach 55°F in Tromso in August, falling to 43°F at night.

How sunny is it in Tromso in August?

There are normally 6 hours of bright sunshine each day in Tromso in August - that's 31% of daylight hours.

How warm is the sea around Tromso in August?

The average sea temperature around Tromso in August is 52°F.

Does it rain in Tromso in August?

There are usually 18 days with some rain in Tromso in August and the average monthly rainfall is 2.9 inches.

Tromso August sunrise & sunset times

Browse the sunrise and sunset times for Tromso in August 2025. Select a month to view Tromso sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Friday, 1st August 2025	01:23	22:11
Saturday, 16th August 2025	02:51	20:42
Sunday, 31st August 2025	03:58	19:28

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Norway - quick facts
Flight time^✝	2 to 3 hours
Time difference	UK +1 hour
Language(s)	Norwegian
Currency	Norwegian Krone
Electricity	C + F plug (230V)
Driving side	Right
Why visit?	Culture Nature
Tourist info	Visit Norway