Hanoi is most comfortable in autumn and spring. Summers are hot, very humid, and rainy, while winter is cooler and can feel damp.

Our analysis considers temperature ranges, rainfall patterns, crowd levels, accommodation costs, and seasonal events to provide you with a comprehensive view of when to visit Hanoi. Be aware that this destination has a distinct rainy season that can affect travel plans. Some months may experience extreme weather conditions.

Best Months to Visit

Feb
February
89/100
Overall Score
Weather: 21°C / 15°C
Rain: 30mm
Crowds: 4/5
Cost: 3/5
Jan
January
82/100
Overall Score
Weather: 20°C / 14°C
Rain: 20mm
Crowds: 3/5
Cost: 3/5

Months to Consider Avoiding

Aug
August
7/100
Overall Score
High rainfall: 340mm
Sep
September
9/100
Overall Score
High rainfall: 250mm
Crowds: Very crowded

Month-by-Month Breakdown

Month Weather Rain Crowds Cost Verdict
January 20°C / 14°C 20mm
Best
February 21°C / 15°C 30mm
Best
Tet (Vietnamese Lunar New Year)
March 23°C / 18°C 40mm
Peak
Good
April 27°C / 21°C 90mm
Peak
Good
May 31°C / 24°C 190mm 🌧️
Mixed
June 33°C / 26°C 240mm 🌧️
Mixed
July 33°C / 26°C 320mm 🌧️
Mixed
August 32°C / 26°C ⚠️ 340mm 🌧️
Avoid
September 31°C / 25°C ⚠️ 250mm 🌧️
Avoid
October 28°C / 22°C 130mm
Peak
Good
November 24°C / 18°C 50mm
Peak
Good
December 21°C / 15°C 20mm
Good

Frequently Asked Questions

When is peak season in Hanoi?
Peak season in Hanoi typically runs during October, November, March, April. This is when you'll find the best weather and most tourist activity, but also the highest prices and largest crowds.
Is Hanoi rainy during certain months?
Yes, Hanoi has a rainy season. The wet months can see significant rainfall, which may affect outdoor activities. Check the month-by-month table below for specific rainfall data.
Is Hanoi expensive to visit?
Prices in Hanoi vary by season. Peak season months typically have the highest accommodation and activity costs. Visiting during shoulder or low season can save you money.
Can you visit Hanoi in low season?
Yes, you can visit Hanoi in low season. While weather conditions may be less ideal, you'll benefit from lower prices and fewer tourists. Some attractions may have limited hours.
What are the hottest months in Hanoi?
The hottest months in Hanoi are May, June, July, August, September. During these months, temperatures can exceed 30°C (86°F). Stay hydrated and plan indoor activities during peak heat.
What is the wettest month in Hanoi?
May, June, July, August, September tend to be the wettest months. Pack a rain jacket and consider indoor attractions during this time.

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