Brussels Capital
August
Weather in Brussels Capital for August 2025
Your guide to Brussels Capital weather in August - trends and predictions
In general, the average temperature in Brussels Capital at the beginning of August is 21.9 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 22.3 °C by the end of August.
Brussels Capital experiences an exceptionally high level of rainfall in August, with more than 20 rainy days on average.
Is August a good time to visit Brussels Capital? check out the best time to travel to Brussels Capital page.
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10
Dry days
21
Rainy days
0
Snow days
23°/13°
Temperatures
19 km/h
Avg max wind
73 %
Avg humidity
Brussels Capital in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  23° | 2 23° | 3 22° | ||||
| 4  21° | 5 21° | 6 22° | 7  21° | 8 21° | 9 23° | 10  25° |
| 11 27° | 12 28° | 13 25° | 14 26° | 15 25° | 16 24° | 17 24° |
| 18  25° | 19 26° | 20 26° | 21 23° | 22 25° | 23 24° | 24 27° |
| 25 21° | 26  22° | 27 22° | 28 24° | 29 23° | 30 21° | 31 23° |
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Temperatures trend during August in Brussels Capital
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° | 9.9 mm | 6 | |
| 2 Aug. | Moderate or heavy rain shower | 23° /15° | 10.6 mm | 5 | |
| 3 Aug. | Moderate or heavy rain shower | 22° /13° | 4.3 mm | 5 | |
| 4 Aug. | Heavy rain at times | 21° /12° | 1.4 mm | 5 | |
| 5 Aug. | Moderate rain at times | 21° /12° | 5.3 mm | 6 | |
| 6 Aug. | Moderate or heavy rain shower | 22° /14° | 6.9 mm | 6 | |
| 7 Aug. | Patchy rain possible | 21° /12° | 0.9 mm | 5 | |
| 8 Aug. | Patchy rain possible | 21° /13° | 5 mm | 5 | |
| 9 Aug. | Patchy rain possible | 23° /15° | 2.7 mm | 5 | |
| 10 Aug. | Sunny | 25° /12° | 0 mm | 6 | |
| 11 Aug. | Patchy rain possible | 27° /15° | 2.1 mm | 7 | |
| 12 Aug. | Moderate or heavy rain shower | 28° /17° | 10.6 mm | 7 | |
| 13 Aug. | Patchy rain possible | 25° /15° | 3.5 mm | 6 | |
| 14 Aug. | Patchy rain possible | 26° /15° | 1.5 mm | 6 | |
| 15 Aug. | Patchy rain possible | 25° /15° | 0.1 mm | 6 | |
| 16 Aug. | Patchy rain possible | 24° /14° | 0.2 mm | 5 | |
| 17 Aug. | Patchy rain possible | 24° /15° | 0.3 mm | 5 | |
| 18 Aug. | Partly cloudy | 25° /15° | 0.8 mm | 6 | |
| 19 Aug. | Patchy rain possible | 26° /15° | 0.1 mm | 6 | |
| 20 Aug. | Patchy rain possible | 26° /14° | 4 mm | 6 | |
| 21 Aug. | Sunny | 23° /12° | 0 mm | 6 | |
| 22 Aug. | Partly cloudy | 25° /13° | 0 mm | 7 | |
| 23 Aug. | Sunny | 24° /15° | 1 mm | 6 | |
| 24 Aug. | Heavy rain at times | 27° /16° | 3.5 mm | 6 | |
| 25 Aug. | Light rain shower | 21° /11° | 5.1 mm | 5 | |
| 26 Aug. | Overcast | 22° /11° | 0 mm | 5 | |
| 27 Aug. | Light rain shower | 22° /12° | 1.6 mm | 5 | |
| 28 Aug. | Light rain shower | 24° /12° | 1.5 mm | 6 | |
| 29 Aug. | Patchy rain possible | 23° /14° | 0.9 mm | 6 | |
| 30 Aug. | Light rain shower | 21° /13° | 3.4 mm | 5 | |
| 31 Aug. | Light rain shower | 23° /12° | 3.4 mm | 5 | |
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Important Notice
Our weather forecast for Brussels Capital 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 Brussels Capital forecast closer to your planned date for the most up-to-date weather information.
Brussels Capital in August - FAQ
What are the expected maximum and minimum temperatures in Brussels Capital during August?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Brussels Capital during August?
Significant rainfall exceeding 135.5 mm is expected in Brussels Capital during August, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Brussels Capital during August?
The average wind speed in Brussels Capital during August is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Brussels Capital in August?
As you prepare for your trip to Brussels Capital 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 Brussels Capital, 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
August rainfall patterns in Brussels Capital
Explore the daily rainfall trends and prepare for Brussels Capitals August weather 💧
UV exposure in Brussels Capital during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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