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Weather in Oslo for August 2025

Your guide to Oslo weather in August - trends and predictions
  • In general, the average temperature in Oslo at the beginning of August is 18.9 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 16.7 °C by the end of August.

  • Oslo experiences an exceptionally high level of rainfall in August, with more than 24 rainy days on average.

  • Is August a good time to visit Oslo? check out the best time to travel to Oslo page.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
2
Dry days
Average rainy days
29
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/11°
Temperatures
Average wind speed
10 km/h
Avg max wind
Average humidity
85 %
Avg humidity

Oslo in August average weather

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Temperatures trend during August in Oslo

See the weather trend as well as the moving average line
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August weather day by day

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Date Weather Temperatures Rain UV More
1 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
20° /9° 4.2 mm 5
2 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
21° /11° 5.3 mm 5
3 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
20° /11° 2.3 mm 5
4 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
17° /12° 7.8 mm 4
5 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
19° /11° 9.4 mm 5
6 Aug. Patchy rain possible
Patchy rain possible
19° /11° 0.6 mm 5
7 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
16° /12° 37.1 mm 4
8 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
17° /11° 16.9 mm 4
9 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
15° /10° 18.3 mm 4
10 Aug. Patchy rain possible
Patchy rain possible
18° /9° 0.5 mm 4
11 Aug. Patchy rain possible
Patchy rain possible
20° /9° 0.3 mm 5
12 Aug. Patchy rain possible
Patchy rain possible
20° /10° 2.2 mm 6
13 Aug. Heavy rain at times
Heavy rain at times
18° /12° 2.6 mm 4
14 Aug. Patchy rain possible
Patchy rain possible
18° /11° 1.9 mm 4
15 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
18° /13° 14.7 mm 4
16 Aug. Patchy rain possible
Patchy rain possible
20° /11° 3 mm 5
17 Aug. Cloudy
Cloudy
20° /9° 0 mm 5
18 Aug. Patchy rain possible
Patchy rain possible
19° /10° 1.3 mm 4
19 Aug. Moderate rain at times
Moderate rain at times
17° /10° 5.9 mm 5
20 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
16° /12° 31 mm 4
21 Aug. Patchy rain possible
Patchy rain possible
18° /11° 9.4 mm 5
22 Aug. Patchy rain possible
Patchy rain possible
17° /9° 1.5 mm 4
23 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
17° /10° 8.8 mm 4
24 Aug. Patchy rain possible
Patchy rain possible
17° /8° 2.9 mm 4
25 Aug. Light rain shower
Light rain shower
14° /9° 10.6 mm 4
26 Aug. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
15° /9° 29 mm 4
27 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
17° /8° 11.4 mm 4
28 Aug. Fog
Fog
19° /10° 1 mm 5
29 Aug. Light rain shower
Light rain shower
17° /9° 1.6 mm 4
30 Aug. Light rain shower
Light rain shower
17° /8° 4.3 mm 4
31 Aug. Mist
Mist
18° /7° 0 mm 5
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Important Notice
Our weather forecast for Oslo in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Oslo forecast closer to your planned date for the most up-to-date weather information.

Oslo in August - FAQ

What are the expected maximum and minimum temperatures in Oslo during August?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Oslo during August?
Significant rainfall exceeding 403 mm is expected in Oslo during August, occurring over more than 29 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Oslo during August?
The average wind speed in Oslo during August is 10 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Oslo in August?

As you prepare for your trip to Oslo in August, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Oslo, during August, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

August rainfall patterns in Oslo

Explore the daily rainfall trends and prepare for Oslos August weather 💧

UV exposure in Oslo during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️

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Location coordinates Where is Oslo?

Get accurate weather forecasts for Oslo, located at latitude 59.913 and longitude 10.746. Stay updated with localized weather information tailored for Oslo.

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