What to pack for Oslo in August
- t-shirts and light layers
- a light jacket for evenings
- a compact umbrella or rain shell — rain is frequent
Humidity averages 76%; max daily wind around 16 km/h.
How August compares
Best months in Oslo: June–September. See the full best time to visit Oslo guide.
Oslo in August: the details
In August, Oslo sees average daytime highs of 21°C (69°F) and overnight lows of 13°C (56°F). Rainfall totals roughly 92 mm across 12.3 rainy days, and the sun shines about 10.4 hours per day with 15.3 hours of daylight mid-month. Relative humidity averages 76%.
In context: August is the third-warmest month and the 5th-wettest in Oslo. The sunniest month is June (13 h/day).
| Metric | August average |
|---|---|
| Daytime high | 21°C / 69°F |
| Overnight low | 13°C / 56°F |
| Rainfall | 92 mm over 12.3 rainy days |
| Sunshine | 10.4 h/day (15.3 h daylight) |
| Humidity | 76% |
| Travel score | 8.8 / 10 |
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Oslo, Norway (59.91, 10.75) — see our methodology. Actual conditions vary year to year.
Not set on Oslo? Browse the best places to visit in August ranked by travel score.
Frequently asked questions
How hot is Oslo in August?
Daytime highs in Oslo in August average 21°C (69°F); nights drop to about 13°C.
Does it rain in Oslo in August?
Expect around 12.3 rainy days and 92 mm of rainfall in August.
Is August a good time to visit Oslo?
August is one of the best months to visit Oslo. Overall travel score: 8.8/10. The best months are June–September.
Also good in August, near Oslo
Where should you go next month?
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