Best Time to Visit Hanoi

Best time to visit
All year
Subtropical — hot summers, mild winters, rainfall spread throughout year

Hanoi is best visited All year, when the weather is mild, drier and comfortable for sightseeing.

🌫️ Air quality note: Hanoi sits in a region affected by seasonal burning-season haze, when PM2.5 levels can climb sharply for days at a time. See the full air quality & wildfire smoke guide →

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Once you know the best time to go, find out exactly what to pack for Hanoi at 247PackingList — climate-matched checklists for every destination. For country facts like currency, language and plug type, see our Vietnam country guide at 247CountryInfo. Some travellers fund a longer stay in Hanoi by teaching English along the way — a TEFL certificate is usually all it takes.

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Hanoi — Monthly Temperatures

0°C32°F10°C50°F20°C68°F30°C86°FJan: 14.0–21.4°CJan21.4°Feb: 15.5–22.4°CFeb22.4°Mar: 19.5–26.4°CMar26.4°Apr: 20.9–27.8°CApr27.8°May: 24.8–32.0°CMay32.0°Jun: 26.8–33.7°CJun33.7°Jul: 26.8–33.5°CJul33.5°Aug: 25.9–31.8°CAug31.8°Sep: 25.0–30.7°CSep30.7°Oct: 21.5–27.7°COct27.7°Nov: 19.4–26.6°CNov26.6°Dec: 14.1–21.3°CDec21.3°

Average daily high and low temperatures (°C/°F). Bars show the daily range each month.

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Hanoi Weather Month by Month

MonthHighLowRainSun/dayRainy daysRating
January Best 21.4°C 14.0°C 47.0mm 4.9h 10
10/10
February Best 22.4°C 15.5°C 82.4mm 4.2h 12
10/10
March Best 26.4°C 19.5°C 95.2mm 3.7h 13
10/10
April Best 27.8°C 20.9°C 102.2mm 5.4h 14
9/10
May Best 32.0°C 24.8°C 181.6mm 8.6h 15
9/10
June Best 33.7°C 26.8°C 223.2mm 9.1h 16
8/10
July Best 33.5°C 26.8°C 211.0mm 10.0h 18
8/10
August Best 31.8°C 25.9°C 399.9mm 8.3h 24
8/10
September Best 30.7°C 25.0°C 384.7mm 7.6h 23
8/10
October Best 27.7°C 21.5°C 250.0mm 7.1h 13
8/10
November Best 26.6°C 19.4°C 59.7mm 7.8h 8
10/10
December Best 21.3°C 14.1°C 15.5mm 5.8h 4
10/10

Hanoi Climate

Hanoi has a subtropical climate — hot summers, mild winters, rainfall spread throughout the year. Check the annual climate overview for Hanoi for the full year picture, or read the dedicated Hanoi rainy season guide.

Counting down to your trip? Use our holiday countdown timer at LeftToTime to track the days. Owners often keep a Hanoi travel guide to hand for planning on the go. Check clothing sizes in Vietnam at 247Sizing before you shop.

Frequently Asked Questions

What is the best month to visit Hanoi?

The best month to visit Hanoi is January, when temperatures average 21.4°C and conditions score 10/10 for comfort.

What is the weather like in Hanoi in January?

January in Hanoi is pleasantly mild, with average highs of 21.4°C and lows of 14.0°C. It is moderately rainy (10 rainy days), with roughly 4.9 hours of sunshine a day. This is peak season for good reason — conditions are close to ideal.

When is rainy season in Hanoi?

Rainy season in Hanoi runs April, May, June, July, August, September, October. Expect heavy downpours and high humidity. Full rainy season guide →

Is Hanoi good to visit in winter?

Yes — winter (December, January, February) averages 21.4°C highs with a 10/10 comfort rating, making it a solid time to visit.

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Last updated:

Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.