Wallonia
August
Weather in Wallonia for August 2025
Your guide to Wallonia weather in August - trends and predictions
In general, the average temperature in Wallonia at the beginning of August is 21 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 21.6 °C by the end of August.
Wallonia experiences an exceptionally high level of rainfall in August, with more than 20 rainy days on average.
Is August a good time to visit Wallonia? check out the best time to travel to Wallonia page.
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9
Dry days
22
Rainy days
0
Snow days
22°/13°
Temperatures
19 km/h
Avg max wind
77 %
Avg humidity
Wallonia in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  23° | 2 22° | 3 21° | ||||
| 4 20° | 5 20° | 6 21° | 7  20° | 8 20° | 9 22° | 10  24° |
| 11 26° | 12 27° | 13 25° | 14 26° | 15 24° | 16 23° | 17 24° |
| 18  25° | 19 25° | 20 25° | 21 22° | 22 24° | 23 24° | 24 27° |
| 25 21° | 26  21° | 27 22° | 28 23° | 29 22° | 30 20° | 31 22° |
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Temperatures trend during August in Wallonia
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 | 23° /15° | 13.7 mm | 6 | |
| 2 Aug. | Moderate or heavy rain shower | 22° /15° | 10.6 mm | 5 | |
| 3 Aug. | Moderate or heavy rain shower | 21° /13° | 3.2 mm | 5 | |
| 4 Aug. | Moderate or heavy rain shower | 20° /11° | 2.3 mm | 5 | |
| 5 Aug. | Moderate rain at times | 20° /12° | 3.8 mm | 5 | |
| 6 Aug. | Moderate rain at times | 21° /13° | 5.1 mm | 6 | |
| 7 Aug. | Patchy rain possible | 20° /11° | 1.3 mm | 5 | |
| 8 Aug. | Moderate rain at times | 20° /11° | 3.3 mm | 5 | |
| 9 Aug. | Patchy rain possible | 22° /14° | 2.7 mm | 5 | |
| 10 Aug. | Sunny | 24° /11° | 0 mm | 6 | |
| 11 Aug. | Patchy rain possible | 26° /15° | 2.8 mm | 7 | |
| 12 Aug. | Moderate or heavy rain shower | 27° /17° | 11.2 mm | 7 | |
| 13 Aug. | Patchy rain possible | 25° /15° | 5.1 mm | 6 | |
| 14 Aug. | Moderate rain at times | 26° /15° | 3.5 mm | 6 | |
| 15 Aug. | Patchy rain possible | 24° /15° | 0.3 mm | 5 | |
| 16 Aug. | Patchy rain possible | 23° /14° | 0.1 mm | 5 | |
| 17 Aug. | Patchy rain possible | 24° /15° | 3 mm | 5 | |
| 18 Aug. | Partly cloudy | 25° /14° | 1.7 mm | 6 | |
| 19 Aug. | Patchy rain possible | 25° /15° | 0.2 mm | 6 | |
| 20 Aug. | Patchy rain possible | 25° /14° | 1.5 mm | 6 | |
| 21 Aug. | Sunny | 22° /12° | 0 mm | 6 | |
| 22 Aug. | Partly cloudy | 24° /12° | 0 mm | 7 | |
| 23 Aug. | Sunny | 24° /14° | 0.2 mm | 6 | |
| 24 Aug. | Moderate or heavy rain shower | 27° /17° | 4.3 mm | 6 | |
| 25 Aug. | Light rain shower | 21° /12° | 2.6 mm | 5 | |
| 26 Aug. | Overcast | 21° /11° | 0 mm | 6 | |
| 27 Aug. | Light rain shower | 22° /11° | 0.9 mm | 5 | |
| 28 Aug. | Light rain shower | 23° /11° | 1.4 mm | 6 | |
| 29 Aug. | Patchy rain possible | 22° /13° | 1.3 mm | 5 | |
| 30 Aug. | Light rain shower | 20° /12° | 3 mm | 5 | |
| 31 Aug. | Light rain shower | 22° /11° | 6.3 mm | 5 | |
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Important Notice
Our weather forecast for Wallonia 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 Wallonia forecast closer to your planned date for the most up-to-date weather information.
Wallonia in August - FAQ
What are the expected maximum and minimum temperatures in Wallonia during August?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Wallonia during August?
Significant rainfall exceeding 136.4 mm is expected in Wallonia during August, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Wallonia during August?
The average wind speed in Wallonia during August is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Wallonia in August?
As you prepare for your trip to Wallonia 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 Wallonia, 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
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- 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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