Oslo

Oslo County Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Oslo County, Norway in August.

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Oslo

Thinking about venturing to Oslo County, Norway this August and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Oslo County in August

Oslo County, Norway is a region in Norway. August in Oslo County generally has pleasant temperatures, with high precipitation. The month of August is in the summer season.

Temperatures

You can expect pleasant maximum daytime temperatures of around 21°C (70°F) and nighttime temperatures around 11°C (52°F) in Oslo.

For specific regional insights in Oslo County, Norway, refer to the map provided below.

Precipitation

August is a rainy month with an average rainfall of around 112 mm (4.4 in) in Oslo. Looking at the climate data spanning the last 30 years, this month sees the heaviest rainfall of the year in Oslo.

Average sunshine

August brings good sunshine to many areas. Oslo sees around 209 hours of sunlight, great for visitors looking for bright days.

Explore Oslo County by month

Pick a month to see the average temperature, rainfall and sunshine in Oslo County - and find the best time to visit. (based on Oslo)

January-1°C (30°F) February1°C (34°F) March5°C (41°F) April10°C (50°F) May16°C (61°F) June20°C (68°F) July22°C (72°F) This monthAugust21°C (70°F) September16°C (61°F) October9°C (48°F) November4°C (39°F) December1°C (34°F)
Best Time to Visit Oslo County →

Best Places to Visit in Oslo County in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Oslo County.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Oslo County

What is the weather like in August for the most popular destinonation in Oslo County, Norway?

Oslo

In August Oslo generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 11°C (52°F) and high monthly rainfall. So on average the conditions are very good that month.

« July
August
September »
July
August
September
Max temperature
22°C (72°F)
21°C (70°F)
16°C (61°F)
Min temperature
12°C (54°F)
11°C (52°F)
7°C (45°F)
Monthly sun hours
240 hours
209 hours
146 hours
Monthly rainfall
102 mm (4 in)
112 mm (4.4 in)
89 mm (3.5 in)
Monthly rainy days
16 days
16 days
16 days
Weather conditions
very good
very good
good
Climate in Oslo →

Is your destination not in the list? Have a look at all destinations in Oslo County, in Norway.

In our records: Norway August extremes

Notable August records observed across cities in Norway in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest August day in Norway reached 35°C (95°F) in Geilo on August 2, 1982.

Oslo County weather in August: frequently asked questions

What is the weather like in Oslo County, Norway in August?

In August, Oslo County, Norway generally has very good weather conditions. Oslo sees daytime temperatures near 21°C (70°F), with nights cooling to roughly 11°C (52°F).

What is the average temperature in Oslo County, Norway in August?

In Oslo, the average daytime high in August is 21°C (70°F), while nighttime temperatures drop to around 11°C (52°F).

Does Oslo County, Norway get a lot of rain in August?

Yes, August tends to be a wetter month in Oslo County, Norway. Average rainfall in Oslo sits around 112 mm (4.4 in).

Is August a Good Time to Visit Oslo County, Norway?

We consider August to be one of the best times to travel to Oslo County, Norway. Typically, the climate in Oslo is very good. However, the weather conditions may vary depending on your destination.

Generally speaking, June, July and August provide very good weather in Oslo. In contrast, January, February, March, April, October, November and December tend to have less favorable weather conditions.

Interested in more climate information?

We have much more information about the climate in Oslo County.

Weather and climate has detailed information for every country in the world. Are you going to Norway? Get detailed historical weather averages for many cities in Norway.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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