Weather Comparison
Side-by-side weather comparison for August
| Metric | Osaka | Tokyo | Better |
|---|---|---|---|
| Average HighHigher is warmer | 32°C (90°F)▲ | 30°C (86°F) | Osaka |
| Average LowHigher is milder | 24°C (75°F) | 24°C (75°F) | Tie |
| Rain DaysFewer is drier | 12 days | 11 days▲ | Tokyo |
| PrecipitationLess is drier | 108 mm▲ | 115 mm | Osaka |
| Sunshine HoursMore is sunnier | 11h/day▲ | 10h/day | Osaka |
| HumidityLower is more comfortable | 70% | 65%▲ | Tokyo |
| UV IndexLower is safer | 9 | 9 | Tie |
| Wind SpeedCalmer is better | 15 km/h▲ | 20 km/h | Osaka |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Tokyo edges ahead as the better destination in August. Tokyo offers 10 hours of daily sunshine with only 11 rain days, while Osaka sees 11 sunshine hours and 12 rain days.
Osaka can feel quite hot at 32°C, so plan for heat. Tokyo runs hot at 30°C.
For travelers who prioritize dry weather, Tokyo is the stronger choice in August. Osaka receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.
Osaka reaches an average high of 32°C (90°F) and drops to 24°C (75°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. The 2°C difference is noticeable but not dramatic.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in August.
Osaka receives approximately 108 mm of rainfall across 12 rain days during August. You can expect rain roughly every other day.
Tokyo sees 115 mm over 11 rain days. That makes Tokyo the drier option by 1 rain day and 7 mm of total precipitation.
Humidity also differs: Osaka averages 70% while Tokyo sits at 65%. Osaka will feel muggier, especially at higher temperatures.
Highs of 32°C, lows of 24°C, 12 rain days
Highs of 30°C, lows of 24°C, 11 rain days
Pack for both: lightweight breathable clothing, sunscreen SPF 50+, sunglasses, a wide-brimmed hat, 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 | Osaka | Tokyo | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 8°C | 6d | 8°C | 6d |
| Feb | 9°C | 8d | 9°C | 8d |
| Mar | 13°C | 11d | 12°C | 12d |
| Apr | 18°C | 10d | 17°C | 11d |
| May | 23°C | 10d | 22°C | 11d |
| Jun | 26°C | 13d | 25°C | 15d |
| Jul | 30°C | 14d | 28°C | 13d |
| Aug | 32°C | 12d | 30°C | 11d |
| Sep | 28°C | 12d | 26°C | 14d |
| Oct | 22°C | 10d | 21°C | 13d |
| Nov | 16°C | 8d | 16°C | 9d |
| Dec | 11°C | 7d | 11°C | 7d |
Osaka Weather in August
Full forecast, packing tips, and activities
Tokyo Weather in August
Full forecast, packing tips, and activities