Best Time to Visit
Best Time to Visit Hanoi
🇻🇳 Hanoi, Vietnam · Asia
Based on 30-year climate data (1991-2020) from Open-Meteo
Recommended Travel Months
Jan
20°
13°
Great
Feb
22°
15°
Great
Mar
25°
18°
Good
Apr
29°
22°
Good
May
31°
24°
Good
Jun
33°
26°
Good
Jul
32°
26°
Good
Aug
31°
25°
Good
Sep
30°
24°
Good
Oct
28°
21°
Great
Nov
25°
18°
Great
Dec
21°
14°
Great
Month-by-Month Weather in Hanoi
| Month | High | Low | Rain Days | Sunshine | Humidity | UV | Rating | Details |
|---|---|---|---|---|---|---|---|---|
| JanuaryRecommended | 20°C | 13°C | 8 | 4h | 78% | 3 | Great | View |
| FebruaryRecommended | 22°C | 15°C | 8 | 4h | 78% | 3 | Great | View |
| March | 25°C | 18°C | 11 | 4h | 78% | 6 | Good | View |
| April | 29°C | 22°C | 11 | 7h | 78% | 6 | Good | View |
| May | 31°C | 24°C | 17 | 8h | 78% | 9 | Good | View |
| June | 33°C | 26°C | 19 | 8h | 78% | 9 | Good | View |
| July | 32°C | 26°C | 21 | 8h | 78% | 9 | Good | View |
| August | 31°C | 25°C | 23 | 8h | 78% | 9 | Good | View |
| September | 30°C | 24°C | 19 | 8h | 78% | 6 | Good | View |
| OctoberRecommended | 28°C | 21°C | 12 | 8h | 78% | 6 | Great | View |
| NovemberRecommended | 25°C | 18°C | 7 | 7h | 78% | 3 | Great | View |
| DecemberRecommended | 21°C | 14°C | 7 | 5h | 78% | 3 | Great | View |
Data source: Open-Meteo ERA5 reanalysis archive, 30-year historical normals (1991-2020). Temperatures in Celsius. Sunshine hours are daily averages.
Seasonal Guide to Hanoi
Spring (March to May)
Avg: 28°C high, 21°C low
Spring in Hanoi brings gradually warm temperatures. Daytime highs reach around 28°C (82°F) while nights cool to 21°C (70°F). This is one of the wetter periods, so waterproof gear is recommended.
Summer (June to August)
Avg: 32°C high, 26°C low
Summer is the hottest season in Hanoi, with temperatures reaching 32°C (90°F). The heat can be intense, but mornings and evenings remain pleasant for sightseeing. Long daylight hours and abundant sunshine provide plenty of time to explore.
Fall (September to November)
Avg: 28°C high, 21°C low
Fall in Hanoi is one of the best times to visit. Temperatures settle around 28°C (82°F) during the day and 21°C (70°F) at night. Rainfall picks up during this period, so waterproof clothing is advisable.
Winter (December to February)
Avg: 21°C high, 14°C low
Winter in Hanoi brings the mildest cool season. While not as warm as peak travel months, the pleasant temperatures make for comfortable sightseeing without the summer crowds.
When to Avoid Hanoi
The least favorable time to visit Hanoi is June and March. During this period, you can expect very hot temperatures, heavy rainfall.
June
Challenges: very hot temperatures, heavy rainfall
March
Challenges: less favorable weather conditions
April
Challenges: less favorable weather conditions
Note: visiting during off-peak months often means lower prices, fewer crowds, and a more authentic experience. Consider your priorities when planning your trip.
What to Pack for Hanoi
Packing recommendations for visiting Hanoi during the best travel months (October, November, January), when temperatures range from 17°C to 24°C:
- +Light layers for warm days and cooler evenings
- +Comfortable walking shoes
- +A compact umbrella or light rain jacket
- +Sunscreen and sunglasses
- +Reusable water bottle
- +Universal power adapter
Hanoi Year-Round Climate Overview
Hanoi has a tropical climate (Koppen classification: Am). The warmest month is June with highs of 33°C, while the coldest month is January at just 20°C. Annual rainfall averages 1729mm across approximately 163 rain days.
| Metric | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 20 | 22 | 25 | 29 | 31 | 33 | 32 | 31 | 30 | 28 | 25 | 21 |
| Low °C | 13 | 15 | 18 | 22 | 24 | 26 | 26 | 25 | 24 | 21 | 18 | 14 |
| Rain Days | 8 | 8 | 11 | 11 | 17 | 19 | 21 | 23 | 19 | 12 | 7 | 7 |
| Rain mm | 41 | 28 | 58 | 102 | 230 | 228 | 267 | 320 | 242 | 121 | 57 | 35 |
| Sun h/day | 4 | 4 | 4 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 5 |
| Humidity % | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 |
| UV Index | 3 | 3 | 6 | 6 | 9 | 9 | 9 | 9 | 6 | 6 | 3 | 3 |
Compare Nearby Destinations
Considering alternatives to Hanoi? Compare the best travel months for nearby cities:
Frequently Asked Questions
What is the best month to visit Hanoi?+
The best time to visit Hanoi is October, November, January. During these months, temperatures average 24°C (75°F) with 6 hours of daily sunshine and only 9 rain days per month. These conditions offer the most comfortable weather for sightseeing and outdoor activities.
What is the worst time to visit Hanoi?+
The least ideal time to visit Hanoi is June and March. During this period, you can expect very hot temperatures, heavy rainfall. While Hanoi can still be visited during this time (often with fewer crowds and lower prices), the weather may limit outdoor activities.
Is Hanoi good to visit in summer?+
Summer in Hanoi (June to August) brings temperatures of 32°C (90°F) highs and 26°C (79°F) lows, with about 8 hours of sunshine and 21 rain days per month. This is generally a good time to visit.
What is the rainy season in Hanoi?+
The rainy season in Hanoi runs from May to September, when average rain days increase to 20 days per month. Total monthly precipitation during this period averages 257mm.
What should I pack for Hanoi?+
When visiting Hanoi during the best travel months (October, November, January), pack light layers for warm days and cooler evenings, comfortable walking shoes, and a light jacket. A waterproof jacket and umbrella are essential. Sunscreen and sunglasses are recommended, especially given the high UV index.
Is October a good time to visit Hanoi?+
Yes, October is one of the best months to visit Hanoi. Expect average highs of 28°C (82°F), 8 hours of daily sunshine, and only 12 rain days. The weather is ideal for exploring the city, visiting outdoor attractions, and enjoying local activities.
Detailed Monthly Weather for Hanoi
For a complete day-by-day weather breakdown including packing lists, activities, and local events, explore each month individually:
January
February
March
April
May
June
July
August
September
October
November
December
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