Belgium weather in August 2025
Belgium weather in August 2025
Day
22 °C
Night
14 °C
Sea
19 °C
Precipitation
72 mm
in month
Rainy days
10 days
in month
Daylight
14 hours
average
Sunshine
7 hours
average
Humidity
79 %
Day
22 °C
Night
14 °C
Sea
19 °C
Precipitation
72 mm
in month
Rainy days
10 days
in month
Daylight
14 hours
average
Sunshine
7 hours
average
Humidity
79 %
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Weather overview and FAQs
Weather overview
In August in Belgium, the average air temperature ranges from 22 °C (71 °F) during the day to 14 °C (58 °F) at night. There are 10 days of rain on average, where the rainfall is 72 mm (2.85 in).
Are there good conditions to visit in August in Belgium?
There are good conditions for visiting in August in Belgium. There are some people, who may feel a slight chill at 22 °C (71 °F), but others will feel perfectly fine. A sea temperature of 19 °C (65 °F) can seem colder to some, but others will call it refreshing. The temperature of 14 °C (58 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.
What temperature can I expect during the day in Belgium in August?
In Belgium in August, the average daily temperatures will be 22 °C (71 °F). A comfortable temperature for most people, where it is neither too cold nor too hot, and a large number of activities can be carried out comfortably, including sunbathing by the water. Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.
What is the average number of rainy days in August in Belgium?
In August in Belgium, we can expect 10 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.4 days of the week, or in general - 35 % days.
What is the sea temperature in Belgium in August?
The temperature of the sea in Belgium in August is 19 °C (65 °F). At this sea temperature, swimming probably won't be the best experience. You probably won't like to stay in water for a long time. On the other hand, there are a minority of people who seek these conditions.
What is the air temperature in Belgium in August at night?
The average night temperature in Belgium in August is 14 °C (58 °F). Nights can be cooler, morning running can be refreshing but choose appropriate clothing, evening outdoor sitting can be pleasant but you can also be cold.
How heavy is the precipitation in August in Belgium?
In Belgium in August, there is 72 mm (2.85 in) rainfall, which means on average 2 mm (0.09 in) rainfall per day.
What is the humidity in August in Belgium?
Humidity in Belgium in August is 79 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.
Is there a wet season in August in Belgium?
No, there is no wet season in Belgium in August - you can expect 10 days of rain during the month.
How many sunny hours can I expect in August in Belgium?
In August in Belgium, you can expect around 7 hours of sunshine.
How windy is it in August in Belgium?
In August in Belgium, there will be an average wind scale of 4.
How long is the day (from dawn till dusk) in Belgium in August?
The length of daylight in Belgium in August is 14 hours.
Is the sea in Belgium warmer in August than in July?
Yes, in Belgium the sea is warmer in August than in July by 1 °C (34 °F).
Is the weather in Belgium warmer in August than in July?
No, August is not warmer in Belgium than July.