Yearly weather and climate in Hanoi, Vietnam
The yearly weather in Hanoi runs from around 14°C in January to 33°C in July. December is the driest month at 3 rainy days; August the wettest at 26. Here is the annual climate data, so you know what you are packing for.
Best time to visit
The best weather is typically in Oct, Nov, Dec, with mild temperatures and lower rainfall.
Sunshine
Expect up to 9.7 hours of clear skies in Jul, but only 4 hours in Feb. Pack sunglasses and SPF accordingly.
Rainfall
It rains the most in Sep (481mm over 23 days). A reliable rain jacket is a must-have if visiting then.
Day-to-night swings
Temperatures typically drop by 7°C from day to night. Make sure to pack layers for the evenings.
Average temperatures and rainfall
Daily highs and lows in Hanoi, averaged over 10 years of recorded weather, with the number of days it typically rains.
- 2170°1457°10Jan
- 2475°1762°13Feb
- 2780°1966°9Mar
- 3188°2474°11Apr
- 3289°2577°19May
- 3391°2679°21Jun
- 3392°2780°21Jul
- 3290°2678°26Aug
- 3187°2577°23Sep
- 3086°2272°7Oct
- 2882°1967°4Nov
- 2272°1559°3Dec
Bars span the average daily low to high. Numbers under the drop are rainy days per month (1mm or more) — hover a month for its total rainfall. Dec is typically driest at 3 days (15mm); Aug the wettest at 26 days (370mm).
| Month | Average high | Average low | Rainy days | Total rainfall |
|---|---|---|---|---|
| Jan | 21°C | 14°C | 10 | 57mm |
| Feb | 24°C | 17°C | 13 | 45mm |
| Mar | 27°C | 19°C | 9 | 72mm |
| Apr | 31°C | 24°C | 11 | 51mm |
| May | 32°C | 25°C | 19 | 229mm |
| Jun | 33°C | 26°C | 21 | 402mm |
| Jul | 33°C | 27°C | 21 | 363mm |
| Aug | 32°C | 26°C | 26 | 370mm |
| Sep | 31°C | 25°C | 23 | 481mm |
| Oct | 30°C | 22°C | 7 | 73mm |
| Nov | 28°C | 19°C | 4 | 28mm |
| Dec | 22°C | 15°C | 3 | 15mm |
Weather data by Open-Meteo.com
Pack smarter.
Averages get you close, but the week you travel is what matters. Get the live forecast, a smart packing list, and discover the best local spots and activities in Hanoi with Packola.
Get the app