NO Oslo · Summer

Oslo weather
in August

Good window in August — June is a notch above.

Open-Meteo · 10 years · 12 months compared · 59.91°N 10.75°E
20°CMax temperature
42%Rainy days
11.5hSunshine / day

Oslo weather in August

✅ Good
🌡️ Temperature min / max
13°C – 20°C
🌧 Rainy days
42% of days
☀️ Sunshine
11.5h per day on average
🌊 🌊 Season
Summer
⭐ ⭐ Weather score
7.3/10
📅 📅 Best month
June (7.8/10)

Should you visit Oslo in August?

✅ Good

✅ Yes if: you want to explore the city on foot without suffering from heat.

❌ No if: you're looking for a beach destination — water and air are still cool.

🌧 Rain : ████░░░░░░ 42%
🌡 Temperature : █████░░░░░ 20°C
☀️ Sunshine : ████████░░ 11.5h/d

Our take: Oslo in August: 20°C and 11.5h of sunshine. Decent, but not the peak.

Oslo in August by trip type

What to expect in August

🎯 Cultural sites less crowded than peak season — more enjoyable visits In August, Oslo sees 20°C during the day with 11.5h of sunshine per day. Expect rain on 42% of days — a light raincoat in the bag is recommended. Not the best window, but acceptable if dates are constrained. June (7.8/10) is significantly better if possible.

All months for Oslo

Month-by-month comparison

MonthMin °CMax °CRain %Precip mmSun h/dScore
🌨️ January-5°C1°C35%2.31.7h2.0/10
🌨️ February-3°C2°C37%2.05.7h3.5/10
🌫️ March-2°C5°C27%1.78.6h4.3/10
🌫️ April2°C11°C27%1.711.8h6.9/10
⛅ May8°C17°C36%2.213.5h7.2/10
🌤️ June12°C21°C40%2.914.6h7.8/10
🌤️ July14°C21°C42%3.613.8h7.6/10
🌤️ August13°C20°C42%2.911.5h7.3/10
⛅ September10°C16°C38%3.08.1h6.5/10
🌦️ October5°C11°C41%3.04.5h4.0/10
🌦️ November1°C5°C40%2.70.9h1.4/10
🌨️ December-2°C2°C41%2.20.2h1.3/10
Ideal Fair Challenging climate ◀ Current month · Source Open-Meteo · 10 years
📊 Data source Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In August, Oslo averages 20°C, 42% rainy days and 11.5h of sunshine per day. Overall weather score: 7.3/10. See methodology →

August vs June (best month)

The best month is June (score 7.8/10). Difference:

FAQ — Oslo in August

Is August a good time to visit Oslo?
August is an acceptable time for Oslo (score 7.3/10). Conditions are decent but not optimal — consider June (7.8/10) if possible.
What to do in Oslo in August?
With 20°C max and 11.5h of sunshine, focus on cultural sites, museums and local gastronomy.

Find a place to stay in Oslo

Find places to stay in Oslo in August Search on Hotels.com

Activities and tours in Oslo

Guided tours, skip-the-line tickets and local experiences. Browse activities on GetYourGuide

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