Weather in Brussels for August 2026
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The forecast for the next days in Brussels predicts temperatures to be around 30 °C, close to the historical average.
In general, the average temperature in Brussels at the beginning of August is 31.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 23.1 °C by the end of August.
The climate of Brussels in August is notably wet, with an average of 13 rainy days, and a total of 68.5 mm of precipitation.
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Brussels Weather August
Temperatures trend during August in Brussels
August weather in Brussels day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Sunny | 27° /13° | 0 mm | 6.4 | |
| 2 Aug. | Sunny | 33° /15° | 0 mm | 6.7 | |
| 3 Aug. | Sunny | 37° /21° | 1.3 mm | 6.2 | |
| 4 Aug. | Sunny | 35° /21° | 0.1 mm | 6.3 | |
| 5 Aug. | Sunny | 34° /19° | 0 mm | 8 | |
| 6 Aug. | Sunny | 27° /15° | 0 mm | 7 | |
| 7 Aug. | Sunny | 26° /12° | 0 mm | 7 | |
| 8 Aug. |  Partly cloudy | 27° /12° | 0 mm | 7 | |
| 9 Aug. | Sunny | 28° /16° | 0 mm | 7 | |
| 10 Aug. | Sunny | 23° /13° | 0.1 mm | 6 | |
| 11 Aug. | Sunny | 25° /11° | 0 mm | 7 | |
| 12 Aug. | Sunny | 30° /13° | 0 mm | 7 | |
| 13 Aug. | Sunny | 34° /19° | 0 mm | 8 | |
| 14 Aug. | Sunny | 32° /18° | 0 mm | 8 | |
| 15 Aug. |  Patchy rain possible | 26° /16° | 0.4 mm | 6 | |
| 16 Aug. | Patchy rain possible | 24° /14° | 1 mm | 5 | |
| 17 Aug. |  Heavy rain at times | 23° /13° | 4 mm | 5 | |
| 18 Aug. | Partly cloudy | 25° /14° | 0.4 mm | 6 | |
| 19 Aug. |  Overcast | 26° /15° | 1.6 mm | 6 | |
| 20 Aug. | Patchy rain possible | 25° /13° | 1.8 mm | 6 | |
| 21 Aug. | Patchy rain possible | 24° /12° | 4.3 mm | 6 | |
| 22 Aug. |  Moderate or heavy rain shower | 23° /13° | 1.6 mm | 6 | |
| 23 Aug. | Patchy rain possible | 24° /14° | 0.7 mm | 6 | |
| 24 Aug. | Sunny | 26° /14° | 1.4 mm | 6 | |
| 25 Aug. | Sunny | 25° /13° | 2.1 mm | 6 | |
| 26 Aug. |  Cloudy | 23° /13° | 0.5 mm | 5 | |
| 27 Aug. | Patchy rain possible | 23° /12° | 0.8 mm | 5 | |
| 28 Aug. | Light rain shower | 24° /13° | 1.1 mm | 6 | |
| 29 Aug. | Partly cloudy | 21° /12° | 1.7 mm | 5 | |
| 30 Aug. | Patchy rain possible | 23° /13° | 1.7 mm | 5 | |
| 31 Aug. | Light rain shower | 23° /12° | 2.3 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
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August rainfall patterns in Brussels
UV exposure in Brussels during August
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