Saitama weather in August
August is one of the best months to visit Saitama: highs of 30°C (86°F) and about 159 mm (6.3 in) of rain on average. Nights average 21°C (70°F) and cloud cover 65% (NASA POWER, 2001–2025 averages). It is the 4th wettest month of the year and the warmest. Compared with July, it is warmer and about as wet; September brings highs of 26°C (79°F) and 201 mm (7.9 in) of rain.
Figures are long-term averages for Saitama, the largest city in Saitama. See below for other places.
Is August a good time to visit Saitama?
best month Weather score 61/100.
Yes. August is one of the best months for weather in Saitama.
Does it rain a lot in Saitama in August?
Yes, it is one of the rainy months: about 159 mm (6.3 in) falls in an average August. It is the 4th wettest month of the year.
How warm is Saitama in August?
Days average 30°C (86°F) and nights 21°C (70°F).
Saitama weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 6°C (42°F) | -4°C (26°F) | 53 mm | 48% | least pleasant |
| February | 7°C (45°F) | -3°C (27°F) | 48 mm | 57% | least pleasant |
| March | 12°C (53°F) | 0°C (32°F) | 89 mm | 61% | least pleasant |
| April | 18°C (64°F) | 5°C (41°F) | 107 mm | 64% | best |
| May | 23°C (73°F) | 11°C (52°F) | 126 mm | 70% | best |
| June | 26°C (78°F) | 16°C (61°F) | 158 mm | 81% | fair |
| July | 29°C (85°F) | 20°C (69°F) | 180 mm | 76% | fair |
| August | 30°C (86°F) | 21°C (70°F) | 159 mm | 65% | best |
| September | 26°C (79°F) | 17°C (63°F) | 201 mm | 71% | fair |
| October | 20°C (69°F) | 11°C (51°F) | 195 mm | 68% | fair |
| November | 15°C (58°F) | 4°C (39°F) | 77 mm | 57% | best |
| December | 9°C (47°F) | -1°C (30°F) | 55 mm | 47% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Saitama in August
Weather can differ a lot within Saitama: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Saitama | 30°C (86°F) | 21°C (70°F) | 159 mm | best |
| Kawaguchi | 32°C (89°F) | 22°C (72°F) | 142 mm | best |
| Kawagoe | 30°C (86°F) | 21°C (70°F) | 159 mm | best |
| Koshigaya | 32°C (89°F) | 22°C (72°F) | 142 mm | best |
| Tokorozawa | 30°C (86°F) | 21°C (70°F) | 159 mm | best |
| Sōka | 32°C (89°F) | 22°C (72°F) | 142 mm | best |
| Kasukabe | 32°C (89°F) | 22°C (72°F) | 142 mm | best |
| Ageo | 30°C (86°F) | 21°C (70°F) | 159 mm | best |
| Kumagaya | 30°C (86°F) | 21°C (70°F) | 159 mm | best |
| Niiza | 30°C (86°F) | 21°C (70°F) | 159 mm | best |
| Sayama | 30°C (86°F) | 21°C (70°F) | 159 mm | best |
| Kukichūō | 30°C (86°F) | 21°C (70°F) | 159 mm | best |