Best time to visit Hanoi
The best months to visit Hanoi are December, November and March, based on month-by-month temperature and rainfall data. The full year of weather, daylight, holidays, and festival timing is below.
December, November and March score best for Hanoi weather:
- March24° / 18°CMarch is humid and misty, good for museums while sidewalks and scooters stay slick.
- November26° / 19°CNovember is one of Hanoi's best months, with drier air for West Lake, Ba Đình, and Old Quarter walks.
- December22° / 15°CDecember is cool and relatively dry, so pack a layer for evening bia hoi and lakefront cafes.
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By TripSapien Research · Updated May 20, 2026
Hanoi weather by month
| Month | High | Low | Rain (mm) | Rainy days | Daylight |
|---|---|---|---|---|---|
| January | 20° | 14° | 20 | 10 | 11h |
| February | 22° | 16° | 20 | 12 | 11h |
| MarchBest weather | 24° | 18° | 35 | 16 | 12h |
| April | 28° | 22° | 105 | 14 | 13h |
| May | 32° | 24° | 165 | 14 | 13h |
| June | 34° | 26° | 265 | 15 | 13h |
| July | 34° | 26° | 255 | 16 | 13h |
| August | 33° | 26° | 275 | 17 | 13h |
| September | 32° | 25° | 245 | 14 | 12h |
| October | 30° | 22° | 155 | 11 | 12h |
| NovemberBest weather | 26° | 19° | 60 | 8 | 11h |
| DecemberBest weather | 22° | 15° | 20 | 5 | 11h |
Temperatures in °C. Long-term monthly averages.
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Hanoi month by month
January
Hanoi in January: 20.1°C high, 14.1°C low, 20mm rain over 10 days, 10.9h daylight. Mild and dry — shoulder-season sweet spot.
February
Hanoi in February: 21.5°C high, 15.8°C low, 20mm rain over 12 days, 11.3h daylight. Mild and dry — shoulder-season sweet spot.
MarchBest weather
Hanoi in March: 23.7°C high, 18.3°C low, 35mm rain over 16 days, 11.9h daylight. Mild but rainy — flexible plans pay off.
April
Hanoi in April: 28°C high, 21.7°C low, 105mm rain over 14 days, 12.5h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.
May
Hanoi in May: 32°C high, 24.4°C low, 165mm rain over 14 days, 13h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.
June
Hanoi in June: 34°C high, 26.1°C low, 265mm rain over 15 days, 13.3h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.
July
Hanoi in July: 33.6°C high, 26.2°C low, 255mm rain over 16 days, 13.2h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.
August
Hanoi in August: 32.9°C high, 25.8°C low, 275mm rain over 17 days, 12.7h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.
September
Hanoi in September: 32°C high, 24.8°C low, 245mm rain over 14 days, 12.1h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.
October
Hanoi in October: 29.8°C high, 22.2°C low, 155mm rain over 11 days, 11.5h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.
NovemberBest weather
Hanoi in November: 26.4°C high, 18.8°C low, 60mm rain over 8 days, 11h daylight. Mild and dry — shoulder-season sweet spot.
DecemberBest weather
Hanoi in December: 22.2°C high, 15°C low, 20mm rain over 5 days, 10.7h daylight. Mild and dry — shoulder-season sweet spot.
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