The climate in Oslo during August can be summarized as mild and a little damp.
August is in the summer in Oslo and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 10°C (49°F) is normal.
|Daytime temperature||20°C 68°F|
|Nightly temperature||9.6°C 49.3°F|
|Average temperature||14.8°C 58.6°F|
|Daily sunshine||7.6 hrs|
|Avg rainfall||91 mm 3.6 ins|
|Rainy days||16 days|
|Sea temperature||17.6°C 63.7°F|
|Windspeed||13.3kph 8 mph|
On average August is the 3rd wettest month of the year in Oslo with around 91mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.6 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Oslo in August 2023.
Best places to visit in August
|Hottest month:||July||20.6°C 69.1°F|
|Driest month:||February||41mm 1.6ins|
|Coldest month:||January||-2.1°C 28.2°F|
|Wettest month:||September||94mm 3.7ins|