Hanoi Weather
Hanoi weather today, the 14-day forecast, and average temperature, rain and what to wear for every month — compared against Hong Kong. Best months to visit: Jan, Feb, Mar, Apr, Nov and Dec.
Hanoi current weather
Hanoi now (local time 14:15)
27°C
Drizzle
- Feels like
- 33°
- Humidity
- 86%
- Wind
- 3 km/h
Next 7 days · what to wear
20° – 31°C
Rain likely on 2 of 7 days
👕 Short sleeves, plus a light layer for air-conditioned interiors.
Hanoi 14-day forecast
Today
10/4
⛈️
31°
24°
💧100%
Mon
10/5
🌧️
25°
22°
💧80%
Tue
10/6
☁️
28°
22°
💧0%
Wed
10/7
☀️
29°
20°
💧0%
Thu
10/8
🌤️
29°
20°
💧0%
Fri
10/9
☁️
30°
22°
💧5%
Sat
10/10
☁️
30°
24°
💧12%
Sun
10/11
☁️
31°
22°
💧6%
Mon
10/12
☁️
31°
23°
💧12%
Tue
10/13
⛅
32°
24°
💧24%
Wed
10/14
⛅
32°
24°
💧28%
Thu
10/15
🌤️
32°
24°
💧30%
Fri
10/16
🌦️
33°
24°
💧41%
Sat
10/17
🌦️
32°
25°
💧37%
Best time to visit Hanoi
On temperature and rainfall, the most comfortable months in Hanoi are Jan, Feb, Mar, Apr, Nov and Dec. The hottest month is June (average high 34°C) and the coldest is January (average low 14°C).
Hanoi climate by month
| Month | Avg high | Avg low | Rain | Humidity | vs Hong Kong |
|---|---|---|---|---|---|
| JanBest | 21°C | 14°C | 58 mm | 75% | +1°C |
| FebBest | 23°C | 16°C | 72 mm | 79% | +2°C |
| MarBest | 26°C | 19°C | 94 mm | 82% | +3°C |
| AprBest | 29°C | 22°C | 89 mm | 82% | +2°C |
| May | 32°C | 25°C | 206 mm | 81% | +2°C |
| Jun | 34°C | 27°C | 274 mm | 79% | +2°C |
| Jul | 33°C | 27°C | 280 mm | 80% | +1°C |
| Aug | 32°C | 26°C | 386 mm | 85% | 0°C |
| Sep | 31°C | 25°C | 434 mm | 86% | 0°C |
| Oct | 28°C | 22°C | 216 mm | 76% | -1°C |
| NovBest | 27°C | 19°C | 50 mm | 75% | +1°C |
| DecBest | 22°C | 14°C | 15 mm | 68% | -1°C |
Data: Open-Meteo historical weather, 2020–2024 averages (ERA5); Hong Kong comparison uses HKO 1991–2020 normals.
Hanoi weather month by month: what to wear
Hanoi in OctoberThis month
October in Hanoi is warm to hot: average highs of 28°C and lows of 22°C, around 216 mm of rain (wet) and 76% humidity — about the same as Hong Kong.
👕 Short sleeves, plus a light layer for air-conditioned interiors; it's wet, so pack a compact umbrella.
Hanoi in NovemberBest month
November in Hanoi is warm to hot: average highs of 27°C and lows of 19°C, around 50 mm of rain (mostly dry) and 75% humidity — about the same as Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors.
Hanoi in DecemberBest month
December in Hanoi is pleasantly warm: average highs of 22°C and lows of 14°C, around 15 mm of rain (dry) and 68% humidity — about the same as Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.
Hanoi in JanuaryBest month
January in Hanoi is pleasantly warm: average highs of 21°C and lows of 14°C, around 58 mm of rain (mostly dry) and 75% humidity — about the same as Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.
Hanoi in FebruaryBest month
February in Hanoi is pleasantly warm: average highs of 23°C and lows of 16°C, around 72 mm of rain (mostly dry) and 79% humidity — about 2°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.
Hanoi in MarchBest month
March in Hanoi is warm to hot: average highs of 26°C and lows of 19°C, around 94 mm of rain (some rain) and 82% humidity — about 3°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors; humid, so quick-dry fabrics help.
Hanoi in AprilBest month
April in Hanoi is warm to hot: average highs of 29°C and lows of 22°C, around 89 mm of rain (some rain) and 82% humidity — about 2°C warmer than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors; humid, so quick-dry fabrics help.
Hanoi in May
May in Hanoi is hot: average highs of 32°C and lows of 25°C, around 206 mm of rain (wet) and 81% humidity — about 2°C warmer than Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella; humid, so quick-dry fabrics help.
Hanoi in June
June in Hanoi is hot: average highs of 34°C and lows of 27°C, around 274 mm of rain (very wet) and 79% humidity — about 2°C warmer than Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella.
Hanoi in July
July in Hanoi is hot: average highs of 33°C and lows of 27°C, around 280 mm of rain (very wet) and 80% humidity — about the same as Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella; humid, so quick-dry fabrics help.
Hanoi in August
August in Hanoi is hot: average highs of 32°C and lows of 26°C, around 386 mm of rain (very wet) and 85% humidity — about the same as Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella; humid, so quick-dry fabrics help.
Hanoi in September
September in Hanoi is warm to hot: average highs of 31°C and lows of 25°C, around 434 mm of rain (very wet) and 86% humidity — about the same as Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella; humid, so quick-dry fabrics help.
FAQ
›What is the best time to visit Hanoi?
On temperature and rainfall, the most comfortable months in Hanoi are Jan, Feb, Mar, Apr, Nov and Dec. The hottest month is June (average high 34°C) and the coldest is January (average low 14°C).
›What's the weather like in Hanoi in October, and what should I wear?
October in Hanoi is warm to hot: average highs of 28°C and lows of 22°C, around 216 mm of rain (wet) and 76% humidity — about the same as Hong Kong. What to wear: Short sleeves, plus a light layer for air-conditioned interiors; it's wet, so pack a compact umbrella.
›What's the weather like in Hanoi in November, and what should I wear?
November in Hanoi is warm to hot: average highs of 27°C and lows of 19°C, around 50 mm of rain (mostly dry) and 75% humidity — about the same as Hong Kong. It's one of the most comfortable months of the year to visit. What to wear: Short sleeves, plus a light layer for air-conditioned interiors.
›When is the rainy season in Hanoi?
Hanoi is wettest in September, with about 434 mm on average, and driest in December, with about 15 mm.
›How cold does Hanoi get? Does it snow?
The coldest month is January, averaging 21°C by day and 14°C at night. Snow is very unlikely.
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Forecast data: Open-Meteo.com (CC BY 4.0), refreshed every 3 hours. Hottest month: June; coldest: January.