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Oslo in August 2027: weather, temperatures and activities

Do you want to visit Oslo in August 2027? Discover the usual weather at this time of year, average temperatures, the risk of rain, possible activities, and our opinion on whether August is a good month to travel to Oslo, Norway.

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Is it worth visiting Oslo in August?

Check your ideal travel criteria and see if the month of August suits your plans to go to Oslo.
What matters most?
Oslo in August 2027: weather, temperatures and activities

Page summary

Oslo in August in summary
Favourable weather
Min 12°C Max 18°C 161 mm 10 day(s) 86% 49% 20°C 12.8 h/day
Best activities in August
Beach and swimmingHiking and trekkingCultural visits and heritageFamily and attractionsNature and landscapesNightlifeGastronomyWell-beingBoat trip and cruise
Practical guidelines
High crowding High prices 04:32 20:09
Hourly weather

Average weather in Oslo in August 2027

Favourable weather

The weather in Oslo in August 2027 is based on statistical data from previous years in August. This allows you to forecast the weather in August 2027. Check the hourly statistics (6:00, 9:00, 12:00, 15:00, 18:00, 21:00, 0:00 and 3:00), with the associated average temperature, for the whole month, and also, by navigating the tabs, for the beginning, middle and end of the month.

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Climate

Climate of Oslo in August

Temperatures, precipitation and monthly trends help to better understand the climate in Oslo in August.

Temperatures and rain in Oslo in August

Average daily weather

Temperatures and rain day by day in August.
Minimal Average Maximums Average rainfall

Monthly temperatures

The month of August is highlighted to compare it quickly with the rest of the year.
Minimal Average Maximums

Monthly precipitation

The bar for the month under study is highlighted.
Average rainfall

About the climate in Oslo in August

Seasonal normals

Seasonal normals of Oslo in August

Check the seasonal normals in Oslo in August and compare the weather with the previous month and the following month (or the months of your choice by selecting months in the form below): temperatures, wind, rain, humidity, climate rating...

Last updated: 12/01/2026
Reference period for normals: January 2009 - December 2025
Month analyzed
August
Weather data July August September
Outside temperature
Average temperature 17.3°C 15.5°C 11.4°C
Maximum temperature 20.3°C 18.5°C 14.7°C
Minimum temperature 14.3°C 12.5°C 8.1°C
Record maximum temperature 31.0°C
(2018)
26.0°C
(2018)
24.0°C
(2016)
Record low temperature 8.0°C
(2019)
6.0°C
(2010)
0.0°C
(2018)
Number of days at +30° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Number of days at +18° 23 day(s)
(74%)
19 day(s)
(61%)
6 day(s)
(20%)
Number of days below 0° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Sea temperature
Sea temperature (average) 17.4°C 17.8°C 15.3°C
Sea temperature (minimum) 15.2°C 15.7°C 13.0°C
Sea temperature (maximum) 19.3°C 20.2°C 17.8°C
Wind
Wind speed 13 km/h 13 km/h 13 km/h
Wind temperature 13.9°C 12.0°C 7.0°C
Precipitation (rain)
Precipitation 164.3 mm 161.5 mm 127.8 mm
Number of days with precipitation 22 day(s)
(71%)
21 day(s)
(68%)
15 day(s)
(50%)
Number of days with significant precipitation (greater than 5 mm) 10 day(s)
(31%)
10 day(s)
(32%)
7 day(s)
(22%)
Record precipitation in one day 41.5 mm
(2020)
57.1 mm
(2020)
71.8 mm
(2019)
Other weather data
Humidity 81% 86% 88%
Visibility 8.5 km 8.3 km 8.3 km
Cloud cover 47% 49% 50%
UV index 4 4 3
Daily sunshine 16h 13h 11h
Sunrise and sunset
Sunrise time 03h22 04h32 05h45
Sunset time 21h23 20h09 18h37
Day length 18h01 15h37 12h52
Our opinion on the climate in August
The review of Where And When favourable weather favourable weather fair weather
Activities and events

What to do in Oslo in August?

Best activities in August
Beach and swimmingHiking and trekkingCultural visits and heritageFamily and attractionsNature and landscapesNightlifeGastronomyWell-beingBoat trip and cruise
Prices monitored continuously

The best offers right now to Oslo

Each map is a real return flight offered from London, with its dates, airline and price. Choose one to find it on Skyscanner, or start your own search just below.

The cheapest

London Oslo

From 27 Aug to 31 Aug 2027

£90 per person
4 days on site Direct flight Ryanair
The cheapest

London Oslo

From 9 Aug to 15 Aug 2027

£121 per person
6 days on site Direct flight Ryanair
The cheapest

London Oslo

From 8 Aug to 14 Aug 2027

£128 per person
6 days on site Direct flight Ryanair
The cheapest

London Oslo

From 6 Aug to 13 Aug 2027

£131 per person
7 days on site Direct flight Ryanair
The cheapest

London Oslo

From 14 Aug to 21 Aug 2027

£142 per person
7 days on site Direct flight Ryanair
The cheapest

London Oslo

From 25 Aug to 29 Aug 2027

£145 per person
4 days on site Direct flight SAS
Searching for the best deals…

Round-trip prices per person, recently collected from Skyscanner. Each offer has its own collection date and fares change constantly: the price displayed on Skyscanner is authoritative.

Observed weather

What was the weather like in Oslo in August last?

Find the observed weather calendar in Oslo in August 2025, with each day’s weather, temperatures and precipitation.

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Light rain
14°C16°C4.4 mm
2
Light rain
14°C16°C3.5 mm
3
Patchy rain nearby
13°C22°C0.0 mm
4
Light rain shower
13°C16°C1.5 mm
5
Light rain shower
11°C16°C1.0 mm
6
Clear/Sunny
11°C18°C0.0 mm
7
Overcast
11°C18°C0.0 mm
8
Partly Cloudy
11°C21°C0.0 mm
9
Partly Cloudy
10°C20°C0.5 mm
10
Clear/Sunny
9°C20°C0.0 mm
11
Clear/Sunny
10°C21°C0.0 mm
12
Clear/Sunny
10°C21°C0.0 mm
13
Partly Cloudy
13°C24°C0.0 mm
14
Clear/Sunny
13°C24°C0.0 mm
15
Clear/Sunny
15°C26°C0.9 mm
16
Clear/Sunny
10°C21°C0.0 mm
17
Clear/Sunny
9°C24°C0.0 mm
18
Clear/Sunny
13°C25°C0.0 mm
19
Patchy rain nearby
11°C17°C0.0 mm
20
Partly Cloudy
6°C16°C0.4 mm
21
Partly Cloudy
7°C17°C0.0 mm
22
Thundery outbreaks in nearby
6°C15°C1.5 mm
23
Partly Cloudy
4°C18°C0.0 mm
24
Clear/Sunny
7°C19°C0.0 mm
25
Clear/Sunny
8°C18°C0.0 mm
26
Partly Cloudy
7°C19°C0.0 mm
27
Light drizzle
10°C14°C0.7 mm
28
Patchy rain nearby
11°C18°C0.0 mm
29
Light rain shower
12°C15°C1.7 mm
30
Patchy rain nearby
12°C19°C1.7 mm
31
Light rain shower
11°C15°C1.4 mm
Nearby

Where to go near Oslo in August?

Compare cities and destinations near Oslo in August to find another travel stop, a nearby alternative or a logical continuation of your stay in Oslo.

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Every month

Best time to visit Oslo month by month

Compare the weather in Oslo across all months of the year and open each detailed page to find the best time.

Frequently asked questions

Travel to to Oslo in August: your frequently asked questions

Short answers to the questions we ask ourselves before booking for this month.

Yes, it’s a good time. Conditions are favorable in Oslo in August, which places this month 3th out of 12.

Expect an average of 18°C during the day and 12°C at night, with about 161 mm of precipitation spread over 10 rainy days.

The sea is only 18°C on average in August. Swimming is still possible, but it will be cool.

Expect about 12.8 hours of sunshine per day on average for this month.

This month is particularly suited to these activities: Beach and swimming, Hiking and trekking, Cultural visits and heritage and Family and attractions. These are the ones for which the conditions on site are most favourable.

Yes: this month is in High crowding, with a visitor index of 71/100. Book your accommodation and transportation well in advance.

Prices are average: level High prices, with an index of 62/100, including flights and accommodation.

The most favorable months in Oslo are: June, July and August. You are therefore already in one of the best times of the year; shifting your plans would not gain you much in terms of weather.
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