Weather in Brussels for August 2025
In general, the average temperature in Brussels 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 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? check out the best time to travel to Brussels page.
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Brussels in August average weather
| 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
August weather day by day
| 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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Guide for Brussels in August
In August, Brussels, Belgium experiences mild and pleasant weather, making it an ideal time to visit the city. At the beginning of the month, the average temperature hovers around 18°, with occasional showers and overcast skies.
However, as the month progresses, the weather tends to improve, with the temperature rising to around 21° by the end of August.
Visitors can expect comfortable conditions for outdoor activities and sightseeing, as the city enjoys relatively low humidity levels during this time of year.
It's advisable to pack layers and a light jacket for the cooler evenings, but overall, the weather in Brussels in August is generally favorable for exploring the city's charming streets and historic landmarks.
Additionally, August marks the end of the peak tourist season in Brussels, so visitors can enjoy the city's attractions without the large crowds typically seen during the summer months.
Whether strolling through the Grand Place, indulging in delicious Belgian chocolates, or admiring the stunning architecture, Brussels offers a delightful experience in August, thanks to its pleasant weather and vibrant atmosphere.
Brussels in August - FAQ
What to pack to Brussels in August?
As you prepare for your trip to Brussels 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, 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
UV exposure in Brussels during August
Quick links
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