Measurements:
°C
°F
Oslo
52°F
N 6 mph
Feels like: 50°F
Precip: 30%
World Resorts Norway Oslo Weather August Weather in Oslo

Oslo Weather: August

Average Day Temperature: 67.2°F
Average Night Temperature: 53.4°F
Sea Water Temperature: 66.7°F
Number of Sunny Days: 9 days
Sunshine Hours: 14.2 - 16.8 hours
Number of Rainy Days: 6 days
Precipitation Totals: 2.9 in

Air Temperature in August, °F

Select Year: 2026 2025 2024

The highest day temperature in August 2026 was 80°F. The lowest night temperature was 15°F. The average values for day and night temperatures during August were 68.9°F и 49.7°F respectivly.

Oslo Water Sea Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Oslo was 64.9°F. The maximum and minimum values were 63.0°F and 67.0°F respectively.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during August. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in August, in

Precipitation total in August for Oslo is 2.9 in. It makes august one of the most rainy months of the year.

Wind Speed in August, mph

The average wind speed in August is 5.5 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Oslo in August is 7.9 hours.

Best Time to Visit Oslo
The most sunny months:
June 11 days
May 11 days
July 11 days
The most warm months:
July 70.7 °F
August 67.2 °F
June 66.5 °F
Warmest sea temperature:
July 67.5 °F
August 66.7 °F
June 61.5 °F
The most cold months:
January 21.9 °F
February 26.1 °F
December 26.7 °F
The most rainy months:
August 6 days
May 5 days
June 5 days
The most windy months:
May 6 mph
June 6 mph
April 6 mph

Oslo on the Weather Map

Norway Resorts:
NAME
Ålesund +54
Bergen +54
Flam +36
Hemsedal +44
Holmenkollen +54
Lillehammer +50
Oslo +52
Stavanger +56
Tromse +48
Trondheim +50
24 Hours Weather Forecast
Oslo
Local time: 22:20
09 sep, wednesday
0000 48°F
N
3 mph
0300 46°F
N
2 mph
0600 44°F
E
2 mph
0900 50°F
S
2 mph
1200 58°F
SW
1 mph
1500 58°F
SW
8 mph
1800 58°F
SW
4 mph
2100 48°F
S
4 mph