August weather forecast
Oslo, Norway

Even though August signals the end of summer, the weather maintains a relatively high average of 20.1°C (68.2°F). The retreat of summer ushers in a slightly cooler but still comfortable atmosphere. Nature lovers often seize this month to explore Oslo's scenic hiking trails, taking advantage of the reduced crowds. August provides yet another opportune moment to delve into the multitude of audacious festivals hosted by the city.

Temperature

Stepping into August, Oslo records an average high-temperature of a still agreeable 20.1°C (68.2°F), almost consistent with July. Oslo, in August, observes a steady average low-temperature of 11.3°C (52.3°F).

Rainfall

In Oslo, in August, during 8 rainfall days, 89mm (3.5") of precipitation is typically accumulated. In Oslo, during the entire year, the rain falls for 77 days and collects up to 763mm (30.04") of precipitation.

Sea temperature

The month with the warmest seawater in Oslo is August, with an average sea temperature of 17.9°C (64.2°F).
Note: Most people do not enjoy swimming in water of 17.9°C (64.2°F). Breathing control becomes harder as the temperature descends from 21°C (69.8°F) to 15°C (59°F).

Daylight

In August, the average length of the day is 15h and 33min.
On the first day of August in Oslo, Norway, sunrise is at 04:59 and sunset at 21:46. On the last day of the month, sunrise is at 06:11 and sunset at 20:23 CEST.

Sunshine

In Oslo, the average sunshine in August is 7h.

UV index

In Oslo, Norway, the average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In August, the maximum UV index of 4 suggests this advice:
Guard yourself - Avoiding sunburn is suggested. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.