Weather Comparison
Side-by-side weather comparison for August
| Metric | Brussels | London | Better |
|---|---|---|---|
| Average HighHigher is warmer | 22°C (72°F)▲ | 21°C (70°F) | Brussels |
| Average LowHigher is milder | 14°C (57°F)▲ | 13°C (55°F) | Brussels |
| Rain DaysFewer is drier | 12 days | 10 days▲ | London |
| PrecipitationLess is drier | 71 mm | 61 mm▲ | London |
| Sunshine HoursMore is sunnier | 11h/day▲ | 10h/day | Brussels |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 10 | 10 | Tie |
| Wind SpeedCalmer is better | 18 km/h | 18 km/h | Tie |
Brussels and London are closely matched in August. Neither city has a clear advantage across all metrics. Your decision should come down to personal preference, cultural interests, and travel logistics rather than weather alone.
Brussels sits in the comfortable travel range at 22°C. London is also comfortable at 21°C.
For travelers who prioritize dry weather, London is the stronger choice in August. Brussels receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.
Brussels reaches an average high of 22°C (72°F) and drops to 14°C (57°F) at night during August. The daily temperature range is 8°C, meaning moderate variation throughout the day.
London averages 21°C (70°F) for the high and 13°C (55°F) for the low, with a daily range of 8°C. The two cities feel quite similar in terms of temperature.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in August.
Brussels receives approximately 71 mm of rainfall across 12 rain days during August. You can expect rain roughly every other day.
London sees 61 mm over 10 rain days. That makes London the drier option by 2 rain days and 10 mm of total precipitation.
Both cities share similar humidity levels at 65%.
Highs of 22°C, lows of 14°C, 12 rain days
Highs of 21°C, lows of 13°C, 10 rain days
Pack for both: light layers, a light jacket for evenings, sunscreen, waterproof jacket, compact umbrella, waterproof shoes. These items are useful in either destination during August.
The table below shows average high temperatures and rain days for every month. August is highlighted for quick reference.
| Month | Brussels | London | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 6°C | 12d | 7°C | 11d |
| Feb | 7°C | 11d | 8°C | 10d |
| Mar | 11°C | 12d | 10°C | 10d |
| Apr | 14°C | 11d | 14°C | 11d |
| May | 18°C | 12d | 17°C | 10d |
| Jun | 21°C | 12d | 20°C | 10d |
| Jul | 23°C | 12d | 22°C | 11d |
| Aug | 22°C | 12d | 21°C | 10d |
| Sep | 19°C | 11d | 19°C | 9d |
| Oct | 15°C | 11d | 15°C | 11d |
| Nov | 10°C | 12d | 10°C | 11d |
| Dec | 7°C | 13d | 8°C | 11d |
Brussels Weather in August
Full forecast, packing tips, and activities
London Weather in August
Full forecast, packing tips, and activities