Click on a day for an hourly weather forecast
The weather in Tokyo in August is very hot. The average temperatures are between 25°C and 31°C, drinking water regularly is advisable.
You can expect about 3 to 8 days of rain in Tokyo during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Tokyo in August 2025.
If you’re planning to visit Tokyo in the near future, we highly recommend that you review the 14 day weather forecast for Tokyo before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 9° / 2° | 5 | 22 | 4 | 90 mm | Bad | Tokyo in January |
| February | 10° / 3° | 6 | 18 | 5 | 127 mm | Bad | Tokyo in February |
| March | 13° / 6° | 8 | 22 | 1 | 192 mm | Bad | Tokyo in March |
| April | 18° / 10° | 7 | 23 | 0 | 201 mm | Ok | Tokyo in April |
| May | 23° / 16° | 8 | 23 | 0 | 190 mm | Good | Tokyo in May |
| June | 25° / 19° | 8 | 22 | 0 | 258 mm | Good | Tokyo in June |
| July | 29° / 24° | 8 | 23 | 0 | 192 mm | Ok | Tokyo in July |
| August | 31° / 25° | 7 | 24 | 0 | 158 mm | Ok | Tokyo in August |
| September | 27° / 21° | 8 | 22 | 0 | 248 mm | Good | Tokyo in September |
| October | 22° / 15° | 7 | 24 | 0 | 286 mm | Ok | Tokyo in October |
| November | 17° / 11° | 5 | 25 | 0 | 121 mm | Good | Tokyo in November |
| December | 12° / 5° | 5 | 25 | 1 | 99 mm | Ok | Tokyo in December |