Hanoi Weather by Month
Twelve months of Hanoi, Vietnam weather — averages from 2006–2025.
Hanoi's warmest month is June (average high 33°C (91.4°F)) and the coolest is January (19.9°C (67.8°F)). The most rain falls in August (about 350 mm), and December is the driest (about 34 mm). June is the sunniest, with about 8.6 hours of sunshine a day.
Best months to visit Hanoi
Ranked within Hanoi's own year by temperature comfort, rainy days and sunshine — historical averages, not a forecast.
Hanoi month by month
January
GreatHigh 19.9°C (67.8°F)
Low 13.4°C (56.1°F)
- Rainfall
- 47 mm (1.8 in)
- Rainy days
- 8 rainy days
- Sunshine
- 4.2 h sunshine / day
February
GreatHigh 22.1°C (71.8°F)
Low 15.4°C (59.7°F)
- Rainfall
- 38 mm (1.5 in)
- Rainy days
- 8 rainy days
- Sunshine
- 4 h sunshine / day
March
GoodHigh 25.2°C (77.4°F)
Low 18.4°C (65.1°F)
- Rainfall
- 63 mm (2.5 in)
- Rainy days
- 11 rainy days
- Sunshine
- 4.1 h sunshine / day
April
GoodHigh 28.9°C (84°F)
Low 21.6°C (70.9°F)
- Rainfall
- 98 mm (3.9 in)
- Rainy days
- 11 rainy days
- Sunshine
- 6.5 h sunshine / day
May
FairHigh 31.3°C (88.3°F)
Low 24.4°C (75.9°F)
- Rainfall
- 227 mm (8.9 in)
- Rainy days
- 17 rainy days
- Sunshine
- 8.3 h sunshine / day
June
PoorHigh 33°C (91.4°F)
Low 26.2°C (79.2°F)
- Rainfall
- 247 mm (9.7 in)
- Rainy days
- 18 rainy days
- Sunshine
- 8.6 h sunshine / day
July
PoorHigh 32.5°C (90.5°F)
Low 26.2°C (79.2°F)
- Rainfall
- 287 mm (11.3 in)
- Rainy days
- 21 rainy days
- Sunshine
- 8.6 h sunshine / day
August
FairHigh 31.6°C (88.9°F)
Low 25.6°C (78.1°F)
- Rainfall
- 350 mm (13.8 in)
- Rainy days
- 23 rainy days
- Sunshine
- 7.9 h sunshine / day
September
FairHigh 30.5°C (86.9°F)
Low 24.5°C (76.1°F)
- Rainfall
- 297 mm (11.7 in)
- Rainy days
- 20 rainy days
- Sunshine
- 8 h sunshine / day
October
GoodHigh 28.4°C (83.1°F)
Low 21.9°C (71.4°F)
- Rainfall
- 164 mm (6.5 in)
- Rainy days
- 13 rainy days
- Sunshine
- 8 h sunshine / day
November
GreatHigh 25.4°C (77.7°F)
Low 18.5°C (65.3°F)
- Rainfall
- 59 mm (2.3 in)
- Rainy days
- 8 rainy days
- Sunshine
- 7.1 h sunshine / day
December
GreatHigh 21.2°C (70.2°F)
Low 14.4°C (57.9°F)
- Rainfall
- 34 mm (1.3 in)
- Rainy days
- 7 rainy days
- Sunshine
- 5.5 h sunshine / day
More Vietnam cities by month
Based on 20 years of historical weather data (2006–2025) from Open-Meteo. Monthly averages, not a forecast.