Weather Comparison
Side-by-side weather comparison for August
| Metric | Tokyo | Osaka | Better |
|---|---|---|---|
| Average HighHigher is warmer | 30°C (86°F) | 32°C (90°F)▲ | Osaka |
| Average LowHigher is milder | 24°C (75°F) | 24°C (75°F) | Tie |
| Rain DaysFewer is drier | 11 days▲ | 12 days | Tokyo |
| PrecipitationLess is drier | 115 mm | 108 mm▲ | Osaka |
| Sunshine HoursMore is sunnier | 10h/day | 11h/day▲ | Osaka |
| HumidityLower is more comfortable | 65%▲ | 70% | Tokyo |
| UV IndexLower is safer | 9 | 9 | Tie |
| Wind SpeedCalmer is better | 20 km/h | 15 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.
Tokyo can feel quite hot at 30°C, so plan for heat. Osaka runs hot at 32°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.
Tokyo reaches an average high of 30°C (86°F) and drops to 24°C (75°F) at night during August. The daily temperature range is 6°C, meaning relatively stable temperatures from day to night.
Osaka averages 32°C (90°F) for the high and 24°C (75°F) for the low, with a daily range of 8°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.
Tokyo receives approximately 115 mm of rainfall across 11 rain days during August. You can expect rain roughly every other day.
Osaka sees 108 mm over 12 rain days. That makes Tokyo the drier option by 1 rain day and 7 mm of total precipitation.
Humidity also differs: Tokyo averages 65% while Osaka sits at 70%. Osaka will feel muggier, especially at higher temperatures.
Highs of 30°C, lows of 24°C, 11 rain days
Highs of 32°C, lows of 24°C, 12 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 | Tokyo | Osaka | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 8°C | 6d | 8°C | 6d |
| Feb | 9°C | 8d | 9°C | 8d |
| Mar | 12°C | 12d | 13°C | 11d |
| Apr | 17°C | 11d | 18°C | 10d |
| May | 22°C | 11d | 23°C | 10d |
| Jun | 25°C | 15d | 26°C | 13d |
| Jul | 28°C | 13d | 30°C | 14d |
| Aug | 30°C | 11d | 32°C | 12d |
| Sep | 26°C | 14d | 28°C | 12d |
| Oct | 21°C | 13d | 22°C | 10d |
| Nov | 16°C | 9d | 16°C | 8d |
| Dec | 11°C | 7d | 11°C | 7d |
Tokyo Weather in August
Full forecast, packing tips, and activities
Osaka Weather in August
Full forecast, packing tips, and activities