Month guide · Oslo · Norway
Oslo in August
What August is really like in Oslo: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: Pierre Blaché, CC0
Quick answer
August is one of the best months to visit Oslo. Expect average highs of 21°C (70°F), lows of 12°C (54°F), about 12 rainy days and roughly 15.6 hours of daylight. Still warm, with the sea at its warmest for swimming; showers become more frequent late in the month.
Key facts
- Average high / low
- 21°C (70°F) / 12°C (54°F)
- Rainy days
- About 12
- Daylight
- About 15.6 hours
- Sea temperature
- 18°C (64°F)
- Crowds
- Busy
- Hotel prices
- High
Weather in August
August is the 2nd-warmest month in Oslo: days average 21°C (70°F) against a yearly average high of 10°C (50°F), and nights fall to about 12°C (54°F). Rain falls on roughly 12 of its 31 days. Compared with July (22°C (72°F)), August is about as warm; by September highs drop to around 16°C (61°F).
- Sunrise (15 August)
- About 05:32
- Sunset (15 August)
- About 21:11
- Daylight
- About 15.6 hours
- Sea
- 18°C (64°F)
Summer (June–August). Up to 19 hours of daylight, island ferries, fjord swimming and outdoor festivals; the busiest and priciest season.
Crowds and prices
On a 1–5 scale, August rates 4 for crowds (the peak is July at 5) and 4 for hotel prices (highest in June). Book accommodation early: August is one of the pricier months.
Events in August
- Øya Festival — large music festival in Tøyen Park (usually August)
- Oslo Jazz Festival (usually August)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in August
With frequent rain, plan around indoor sights and keep outdoor time flexible.
Nature · Grünerløkka
Akerselva river walk
The Akerselva river runs about 8 kilometres from Lake Maridalsvannet to the fjord, dropping over a series of small waterfalls past the red-brick textile mills that powered Oslo's industrialisation.
- Time needed
- 2–3 hours
- Cost
- Free
- Free
- Outdoors
- Nature
- Off the beaten path
- Active
Park · Ekeberg
Ekebergparken Sculpture Park
Take the tram from Jernbanetorget up Ekebergveien, walk the park downhill and finish at the viewpoint above the Opera House.
- Time needed
- 1.5–2 hours
- Cost
- Free
- Free
- Art
- Views
- Outdoors
- Off the beaten path
Island · Oslofjord
Oslofjord islands
Public ferries run by Ruter link the city waterfront with the inner fjord islands, so a regular public-transport ticket covers a day of island-hopping.
- Time needed
- Half a day
- Cost
- Low cost
- Outdoors
- Kids
- Nature
- History
- Couples
Experience · Bjørvika
Fjord saunas at Langkaia and Sørenga
Book a shared session online, especially for winter evenings and weekends, and bring a swimsuit, towel and flip-flops.
- Time needed
- 1.5 hours
- Cost
- Mid-priced
- Active
- Couples
- Views
- Outdoors
What to pack
For highs near 21°C, lows near 12°C and 12 wet days: light layers for the day and a light jacket for the evening; a compact umbrella and waterproof shoes — rain is frequent; comfortable walking shoes.
Is August a good time to visit Oslo?
One of the best months to visit Oslo, with 2 notable events on the calendar. The other best months are May–July and September. Compare every month.
Oslo in other months
Questions travellers ask
+Is August a good time to visit Oslo?
It is one of the best months to visit Oslo. Still warm, with the sea at its warmest for swimming; showers become more frequent late in the month.
+How warm is Oslo in August?
Average highs are around 21°C (70°F) and lows around 12°C (54°F).
+Does it rain a lot in Oslo in August?
Expect rain on about 12 days of the month, so pack for wet weather.