Tromso Weather in August

Norway · August climate averages and travel tips

Avg high15°C (59°F)
Avg low9°C (48°F)
Rainfall112 mm (4.4 in)
RatingPoor 4.3/10

In August, Tromso has average highs of 15°C (59°F) and lows of 9°C (48°F). August is summer in Norway. The month is moderately rainy, with about 112 mm (4.4 in) of rain spread over 18 days. You get roughly 17.5 hours of daylight and frequently cloudy skies.

Is August a good time to visit Tromso?

August is not the best time to visit Tromso (4.3/10) mainly because of the rain. The weather is much better in July.

Visiting Tromso in August

August weather

August feels cool, damp and changeable in Tromsø. Highs reach 15°C and lows 9°C, while rain falls on 18 days. July gets the same rainfall, but August is cloudier and has less daylight. You'll still have long days for exploring, though the sun averages only four hours daily.

The weather suits city walks, museums and boat trips when conditions allow. Try the Polar Museum or wander around the harbour, then keep a flexible plan for rainy spells. Avoid relying on clear views from Fjellheisen; clouds can hide the mountains. If you hate crowds, choose quiet streets around Tromsøya rather than the busiest harbour spots.

Festivals and summer crowds

Rakettnatt, Tromsø's late-summer music festival, is usually held in August. Festival dates can vary, so check the event's schedule before shaping your trip around it. There's no major national holiday that defines the month.

August is still a popular summer month, with long days drawing visitors before autumn arrives. Expect more company around the harbour and popular tours than in quieter shoulder-season months. Prices for stays can also be higher than outside summer, especially when festivals or cruise visits bring extra demand.

Make the most of your visit

Rain can interrupt hikes, but it needn't spoil your day. Keep a museum or café stop in reserve, and save a mountain outing for a clearer spell. The walk up Storsteinen from the Fjellheisen station is a good option when the path and visibility are suitable.

For a local food stop, try a bowl of fish soup in the city centre after a wet walk. If you're taking the cable car, ask about cloud cover before you go up; a grey summit can mean little to see for the fare.

August weather at a glance

Average high15°C (59°F)
Average low9°C (48°F)
Daily mean12°C (54°F)
Rainfall112 mm (4.4 in)
Rainy days (1 mm+)18
Humidity85%
Cloud cover79%
Daylight17.5 hours
Est. sunshine4 hours/day
Wind2.2 km/h
vs July1°C cooler than July, with similar rainfall.

What to pack for Tromso in August

Tromso weather in other months

Jan-5°C / -10°C106 mmPoorFeb-4°C / -10°C101 mmPoorMar-2°C / -7°C119 mmPoorApr1°C / -4°C94 mmPoorMay7°C / 2°C100 mmPoorJun13°C / 6°C109 mmPoorJul17°C / 10°C112 mmFairAug15°C / 9°C112 mmPoorSep11°C / 5°C127 mmPoorOct4°C / 0°C124 mmPoorNov0°C / -5°C110 mmPoorDec-3°C / -8°C116 mmPoor

← JulyBest time to visit TromsoSeptember →

Better weather in August nearby

Nearby in August

Where else is good in August? See where to go in August.