Weather Comparison
Side-by-side weather comparison for August
| Metric | London | Tokyo | Better |
|---|---|---|---|
| Average HighHigher is warmer | 21°C (70°F) | 30°C (86°F)▲ | Tokyo |
| Average LowHigher is milder | 13°C (55°F) | 24°C (75°F)▲ | Tokyo |
| Rain DaysFewer is drier | 10 days▲ | 11 days | London |
| PrecipitationLess is drier | 61 mm▲ | 115 mm | London |
| Sunshine HoursMore is sunnier | 10h/day | 10h/day | Tie |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 10 | 9▲ | Tokyo |
| Wind SpeedCalmer is better | 18 km/h▲ | 20 km/h | London |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, London edges ahead as the better destination in August. London offers 10 hours of daily sunshine with only 10 rain days, while Tokyo sees 10 sunshine hours and 11 rain days.
London sits in the comfortable travel range at 21°C. Tokyo runs hot at 30°C.
For travelers who prioritize dry weather, London is the stronger choice in August.
London reaches an average high of 21°C (70°F) and drops to 13°C (55°F) at night during August. The daily temperature range is 8°C, meaning moderate variation throughout the day.
Tokyo averages 30°C (86°F) for the high and 24°C (75°F) for the low, with a daily range of 6°C. There is a notable 9°C gap between the two cities, so expect a very different feel.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in August.
London receives approximately 61 mm of rainfall across 10 rain days during August. You can expect rain roughly every other day.
Tokyo sees 115 mm over 11 rain days. That makes London the drier option by 1 rain day and 54 mm of total precipitation.
Both cities share similar humidity levels at 65%.
Highs of 21°C, lows of 13°C, 10 rain days
Highs of 30°C, lows of 24°C, 11 rain days
Pack for both: 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 | London | Tokyo | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 7°C | 11d | 8°C | 6d |
| Feb | 8°C | 10d | 9°C | 8d |
| Mar | 10°C | 10d | 12°C | 12d |
| Apr | 14°C | 11d | 17°C | 11d |
| May | 17°C | 10d | 22°C | 11d |
| Jun | 20°C | 10d | 25°C | 15d |
| Jul | 22°C | 11d | 28°C | 13d |
| Aug | 21°C | 10d | 30°C | 11d |
| Sep | 19°C | 9d | 26°C | 14d |
| Oct | 15°C | 11d | 21°C | 13d |
| Nov | 10°C | 11d | 16°C | 9d |
| Dec | 8°C | 11d | 11°C | 7d |
London Weather in August
Full forecast, packing tips, and activities
Tokyo Weather in August
Full forecast, packing tips, and activities