Oslo
August
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.
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2
Dry days
29
Rainy days
0
Snow days
17°/11°
Temperatures
10 km/h
Avg max wind
85 %
Avg humidity
Oslo in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  20° | 2 21° | 3 20° | ||||
| 4 17° | 5 19° | 6  19° | 7 16° | 8 17° | 9 15° | 10 18° |
| 11 20° | 12 20° | 13  18° | 14 18° | 15 18° | 16 20° | 17  20° |
| 18 19° | 19 17° | 20 16° | 21 18° | 22 17° | 23 17° | 24 17° |
| 25 14° | 26  15° | 27 17° | 28  19° | 29 17° | 30 17° | 31 18° |
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Temperatures trend during August in Oslo
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. | Moderate or heavy rain shower | 20° /9° | 4.2 mm | 5 | |
| 2 Aug. | Moderate or heavy rain shower | 21° /11° | 5.3 mm | 5 | |
| 3 Aug. | Moderate or heavy rain shower | 20° /11° | 2.3 mm | 5 | |
| 4 Aug. | Moderate or heavy rain shower | 17° /12° | 7.8 mm | 4 | |
| 5 Aug. | Moderate or heavy rain shower | 19° /11° | 9.4 mm | 5 | |
| 6 Aug. | Patchy rain possible | 19° /11° | 0.6 mm | 5 | |
| 7 Aug. | Moderate or heavy rain shower | 16° /12° | 37.1 mm | 4 | |
| 8 Aug. | Moderate or heavy rain shower | 17° /11° | 16.9 mm | 4 | |
| 9 Aug. | Moderate or heavy rain shower | 15° /10° | 18.3 mm | 4 | |
| 10 Aug. | Patchy rain possible | 18° /9° | 0.5 mm | 4 | |
| 11 Aug. | Patchy rain possible | 20° /9° | 0.3 mm | 5 | |
| 12 Aug. | Patchy rain possible | 20° /10° | 2.2 mm | 6 | |
| 13 Aug. | Heavy rain at times | 18° /12° | 2.6 mm | 4 | |
| 14 Aug. | Patchy rain possible | 18° /11° | 1.9 mm | 4 | |
| 15 Aug. | Moderate or heavy rain shower | 18° /13° | 14.7 mm | 4 | |
| 16 Aug. | Patchy rain possible | 20° /11° | 3 mm | 5 | |
| 17 Aug. | Cloudy | 20° /9° | 0 mm | 5 | |
| 18 Aug. | Patchy rain possible | 19° /10° | 1.3 mm | 4 | |
| 19 Aug. | Moderate rain at times | 17° /10° | 5.9 mm | 5 | |
| 20 Aug. | Moderate or heavy rain shower | 16° /12° | 31 mm | 4 | |
| 21 Aug. | Patchy rain possible | 18° /11° | 9.4 mm | 5 | |
| 22 Aug. | Patchy rain possible | 17° /9° | 1.5 mm | 4 | |
| 23 Aug. | Moderate or heavy rain shower | 17° /10° | 8.8 mm | 4 | |
| 24 Aug. | Patchy rain possible | 17° /8° | 2.9 mm | 4 | |
| 25 Aug. | Light rain shower | 14° /9° | 10.6 mm | 4 | |
| 26 Aug. | Moderate or heavy rain with thunder | 15° /9° | 29 mm | 4 | |
| 27 Aug. | Moderate or heavy rain shower | 17° /8° | 11.4 mm | 4 | |
| 28 Aug. | Fog | 19° /10° | 1 mm | 5 | |
| 29 Aug. | Light rain shower | 17° /9° | 1.6 mm | 4 | |
| 30 Aug. | Light rain shower | 17° /8° | 4.3 mm | 4 | |
| 31 Aug. | 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
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