Hanoi weather in August
August is one of the least pleasant months in Hanoi: highs of 31°C (88°F) and about 322 mm (12.7 in) of rain on average. Nights average 25°C (77°F) and cloud cover 83% (NASA POWER, 2001–2025 averages). It is the wettest month of the year and the 4th warmest. Compared with July, it is cooler and about as wet; September brings highs of 30°C (86°F) and 223 mm (8.8 in) of rain.
Is August a good time to visit Hanoi?
least pleasant month Weather score 33/100.
August is one of the least pleasant months for weather in Hanoi. For better conditions, consider Nov–Apr.
Does it rain a lot in Hanoi in August?
Yes, it is one of the rainy months: about 322 mm (12.7 in) falls in an average August. It is the wettest month of the year.
How warm is Hanoi in August?
Days average 31°C (88°F) and nights 25°C (77°F).
Hanoi weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 20°C (69°F) | 11°C (51°F) | 32 mm | 76% | best |
| February | 23°C (74°F) | 13°C (55°F) | 22 mm | 81% | best |
| March | 27°C (80°F) | 16°C (61°F) | 49 mm | 85% | best |
| April | 30°C (87°F) | 20°C (68°F) | 78 mm | 83% | best |
| May | 32°C (89°F) | 23°C (74°F) | 179 mm | 80% | fair |
| June | 32°C (89°F) | 25°C (77°F) | 201 mm | 87% | fair |
| July | 32°C (89°F) | 25°C (77°F) | 300 mm | 85% | least pleasant |
| August | 31°C (88°F) | 25°C (77°F) | 322 mm | 83% | least pleasant |
| September | 30°C (86°F) | 23°C (74°F) | 223 mm | 73% | fair |
| October | 28°C (82°F) | 20°C (68°F) | 124 mm | 64% | fair |
| November | 25°C (76°F) | 16°C (60°F) | 52 mm | 61% | best |
| December | 21°C (69°F) | 11°C (52°F) | 25 mm | 66% | best |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months