Late summer · Weather & things to do
Oslo in August
The year's rain peaks now, with about 4.8 in (122 mm) falling in Oslo, alongside highs near 69°F (20°C) and lows of 54°F (12°C).
At 77/100 for comfort (3rd of 12), it's one of the best months to visit.
- Avg high
- 69°F (20°C)
- Avg low
- 54°F (12°C)
- Rain
- 4.8 in (122 mm)
- Humidity
- 84%
- Cloud cover
- 71%
- Daylight
- ~15 h 20 min
- Comfort score
- 77/100 · Great
What August feels like
Highs near 69°F (20°C) make for comfortable sightseeing weather.
Lows average 54°F (12°C).
Expect regular rain: about 4.8 in (122 mm) falls in the month.
Long days help: there are roughly 15 h 20 min of daylight mid-month.
Plan around August
August is one of Oslo's best months on the climate data.
- Inside the wettest three-month stretch, June – August.
- Last of the best-scoring months: by September, the score drops to 73/100.
- Comfort holds steady from July (78 → 77/100).
- August sits inside the Jun – Aug window our Scandinavian Capitals route recommends.
What to pack for August
- A warm layer for eveningsnights drop to 54°F
- Rain jacket and waterproof shoes4.8 in of rain on average
- Comfortable walking shoesmost picks involve some walking
What to do in Oslo in August
August is good outdoor weather here, so these picks lean toward the open air.
Akershus Fortress
Medieval fortress and castle on the harbor with free grounds.
MUNCH
Waterfront museum with the largest collection of Edvard Munch's work.
Lofoten Fiskerestaurant
Seafood restaurant on the Aker Brygge waterfront.
Why now August scores 77/100 for comfort, good conditions for being outside.
Vigeland Park
Over 200 Gustav Vigeland sculptures set in Frogner Park.
Why now Highs near 69°F and 4.8 in of monthly rain make this an easy outdoor pick.
Mathallen Oslo
Food hall in a former factory by the Akerselva river.
Nearby in August
- Flåm in August~140 mi · highs 67°F, 6.0 in rain · similar daytime temperatures, wetter
- Bergen in August~190 mi · highs 66°F, 8.1 in rain · 2°C (3°F) cooler by day, wetter
- Geiranger in August~192 mi · highs 64°F, 7.7 in rain · 2°C (4°F) cooler by day, wetter
- Stockholm in August~259 mi · highs 71°F, 2.8 in rain · 1°C (2°F) warmer by day, drier
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~259 m to Oslo's ~22 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Oslo in August: quick answers
Is August a good time to visit Oslo?
Yes. On the climate data it's one of the best months, scoring 77/100. Expect highs of 69°F (20°C) and 4.8 in (122 mm) of rain. August is inside the Jun – Aug window our Scandinavian Capitals route recommends.
How hot is Oslo in August?
Average highs are 69°F (20°C) and average lows 54°F (12°C), making it the 2nd-warmest month by daytime highs.
Does it rain a lot in Oslo in August?
Yes: about 4.8 in (122 mm) of rain falls across August on average, the wettest month of the year. The annual total is about 41.3 in (1049 mm).
What should I pack for Oslo in August?
Bring a warm layer for evenings (nights drop to 54°F), rain jacket and waterproof shoes (4.8 in of rain on average) and comfortable walking shoes (most picks involve some walking).
Routes in season in August
- Scandinavian Capitals Jun – Aug
Planning Oslo in August?
Share this August plan with your group, poll everyone on dates and keep the packing list in one place.