Click on a day for an hourly weather forecast
The weather in Hanoi in October is hot. The average temperatures are between 22°C and 30°C.
You can expect about 3 to 8 days of rain in Hanoi during the month of October. 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 Hanoi in October 2025.
If you’re planning to visit Hanoi in the near future, we highly recommend that you review the 14 day weather forecast for Hanoi before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 21° / 15° | 3 | 28 | 0 | 43 mm | Good | Hanoi in January |
| February | 24° / 17° | 1 | 27 | 0 | 20 mm | Perfect | Hanoi in February |
| March | 27° / 20° | 2 | 29 | 0 | 40 mm | Perfect | Hanoi in March |
| April | 31° / 22° | 4 | 26 | 0 | 75 mm | Good | Hanoi in April |
| May | 34° / 25° | 11 | 20 | 0 | 166 mm | Bad | Hanoi in May |
| June | 36° / 27° | 12 | 18 | 0 | 204 mm | Bad | Hanoi in June |
| July | 35° / 27° | 16 | 15 | 0 | 267 mm | Bad | Hanoi in July |
| August | 33° / 26° | 16 | 15 | 0 | 284 mm | Ok | Hanoi in August |
| September | 32° / 25° | 12 | 18 | 0 | 207 mm | Ok | Hanoi in September |
| October | 30° / 22° | 5 | 26 | 0 | 106 mm | Good | Hanoi in October |
| November | 27° / 20° | 3 | 27 | 0 | 43 mm | Perfect | Hanoi in November |
| December | 23° / 16° | 2 | 29 | 0 | 29 mm | Perfect | Hanoi in December |