Brussels in august: average Weather, Temperature and Climate
Weather in Brussels in august 2025
The weather in Brussels in august comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout august
good weather UV index: 6
Weather at 6am
61°F
Clear/Sunny
34% of time
26%
15%
11%
Weather at 12pm
74°F
Moderate rain at times
37% of time
29%
22%
9%
Weather at 6pm
70°F
Moderate rain at times
41% of time
27%
21%
7%
Weather at 3am
59°F
30%
25%
19%
15%
Evolution of daily average temperature and precipitation in Brussels in august
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Brussels in august.
The climate of Brussels in august is good
In august in Brussels, the climate is wet (with 4.4in of rainfall over 7 days). The situation is deteriorating compared to the previous month since in july there is an average of 4.5in of rainfall over 8 days.
The climate quite good in that area august. The high seasonal norm is 76°F. In the morning the temperature drops to 61°F. Thus, the mean temperature average in august in Brussels is 68°F. These temperatures are far removed from those records observed in Brussels in august with a maximum record of 95°F in 2018 and a minimum record of 47°F in 2014.
On this month of august, day length in Brussels is generally 14:33. Sunrise is at 05:30 and sets at 20:03.
With a correct climate, the month of august is okay (but not the best) to go in Brussels.
Seasonal average climate and temperature of Brussels in august
Check below seasonal norms These statistics are generated from the weather statements of the past years of august.
| August | |||||
| Outside temperature | |||||
| Average temperature | 68°F | ||||
| Highest temperature | 76°F | ||||
| Lowest temperature | 61°F | ||||
| Highest record temperature | 95°F (2018) | ||||
| Lowest record temperature | 47°F (2014) | ||||
| Number of days at +86°F | 3 day(s) (10%) | ||||
| Number of days at +65°F | 29 day(s) (94%) | ||||
| Sea temperature | |||||
| Average sea temperature | 66°F | ||||
| Lowest sea temperature | 64°F | ||||
| Highest sea temperature | 68°F | ||||
| Wind | |||||
| Wind speed | 17km/h | ||||
| Wind temperature | 61°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 4.4in | ||||
| Number of days with rainfall | 7 day(s) (23%) | ||||
| Record daily rainfall | 2.5in (2010) | ||||
| Other climate data | |||||
| Humidity | 86% | ||||
| Visibility | 9.05km | ||||
| Cloud cover | 42% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:30 | ||||
| Time of sunset | 20:03 | ||||
| Length of day | 14:33 | ||||
| Our opinion about the weather in august | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last august?
Here is the day by day recorded weather in Brussels in august 2024:
65°F to 76°F
61°F to 77°F
61°F to 74°F
58°F to 72°F
58°F to 77°F
63°F to 81°F
61°F to 76°F
61°F to 72°F
65°F to 76°F
58°F to 79°F
61°F to 81°F
65°F to 92°F
68°F to 85°F
65°F to 79°F
61°F to 79°F
61°F to 76°F
61°F to 77°F
61°F to 74°F
56°F to 76°F
59°F to 76°F
52°F to 68°F
54°F to 76°F
63°F to 74°F
63°F to 81°F
52°F to 67°F
56°F to 72°F
58°F to 77°F
59°F to 83°F
65°F to 79°F
61°F to 72°F
59°F to 79°F
Map: other cities in Belgium in august
Cities near Brussels:
| Hoeilaart in august | good weather |
| Mechelen in august | good weather |
| Aalst in august | good weather |
| Leuven in august | good weather |
| Dendermonde in august | good weather |
| Louvain-la-Neuve in august | good weather |
| Villers-la-Ville in august | good weather |
| Geraardsbergen in august | good weather |
| Sint-Niklaas in august | good weather |
| Antwerp in august | good weather |
| Tienen in august | good weather |
| La Louvière in august | good weather |
Click over cities on the map for information about the weather in august.
Brussels
perfect weather
good
tolerable
bad
very bad
Weather data for Brussels in august:
Weather data for Brussels for august are derived from an average of the weather forecast since 2009 in Brussels. There is a margin of error and these forecasts are to be considered as general information only. The weather in Brussels can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Brussels.