Tokyo weather in August
August is one of the best months to visit Tokyo: highs of 31°C (87°F) and about 134 mm (5.3 in) of rain on average. Nights average 23°C (74°F) and cloud cover 65% (NASA POWER, 2001–2025 averages). It is the 6th driest month of the year and the warmest. Compared with July, it is warmer and about as wet; September brings highs of 27°C (81°F) and 211 mm (8.3 in) of rain.
Figures are long-term averages for Tokyo, the largest city in Tokyo. See below for other places.
Is August a good time to visit Tokyo?
best month Weather score 65/100.
Yes. August is one of the best months for weather in Tokyo.
Does it rain a lot in Tokyo in August?
Some rain is normal: about 134 mm (5.3 in) falls in an average August. It is the 6th driest month of the year.
How warm is Tokyo in August?
Days average 31°C (87°F) and nights 23°C (74°F).
Tokyo weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 9°C (48°F) | 1°C (33°F) | 80 mm | 48% | least pleasant |
| February | 10°C (50°F) | 1°C (34°F) | 75 mm | 57% | least pleasant |
| March | 13°C (56°F) | 4°C (40°F) | 124 mm | 61% | least pleasant |
| April | 18°C (65°F) | 9°C (48°F) | 135 mm | 64% | best |
| May | 23°C (73°F) | 14°C (57°F) | 148 mm | 70% | best |
| June | 26°C (78°F) | 18°C (64°F) | 185 mm | 81% | fair |
| July | 29°C (84°F) | 22°C (72°F) | 153 mm | 76% | best |
| August | 31°C (87°F) | 23°C (74°F) | 134 mm | 65% | best |
| September | 27°C (81°F) | 20°C (68°F) | 211 mm | 71% | fair |
| October | 22°C (71°F) | 15°C (58°F) | 246 mm | 68% | least pleasant |
| November | 17°C (62°F) | 9°C (48°F) | 120 mm | 57% | best |
| December | 11°C (53°F) | 3°C (38°F) | 83 mm | 47% | fair |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Tokyo in August
Weather can differ a lot within Tokyo: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Tokyo | 31°C (87°F) | 23°C (74°F) | 134 mm | best |
| Setagaya | 30°C (86°F) | 22°C (71°F) | 155 mm | best |
| Ōta | 31°C (87°F) | 23°C (74°F) | 134 mm | best |
| Edogawe | 31°C (87°F) | 23°C (74°F) | 134 mm | best |
| Adachi | 32°C (89°F) | 22°C (72°F) | 142 mm | best |
| Itabashi | 31°C (87°F) | 23°C (74°F) | 134 mm | best |
| Hachiōji | 30°C (86°F) | 22°C (71°F) | 155 mm | best |
| Katsushika | 31°C (87°F) | 23°C (74°F) | 134 mm | best |
| Machida | 30°C (86°F) | 22°C (71°F) | 155 mm | best |
| Shinjuku | 31°C (87°F) | 23°C (74°F) | 134 mm | best |
| Nakano | 30°C (86°F) | 22°C (71°F) | 155 mm | best |
| Kita | 32°C (89°F) | 22°C (72°F) | 142 mm | best |