Best Time to Visit
🇻🇳 Hanoi, Vietnam · Asia
Based on 30-year climate data (1991-2020) from Open-Meteo
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 | 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 | 6h | 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.
Avg: 28°C high, 21°C low
Comfortable warmth at 28°C (82°F), ideal for outdoor activities. Rain is frequent, waterproof gear recommended. Nights cool to 21°C (70°F).
Avg: 32°C high, 26°C low
Temperatures peak at 32°C (90°F), making midday heat intense. Rain is frequent, waterproof gear recommended. Nights cool to 26°C (79°F).
Avg: 28°C high, 21°C low
Comfortable warmth at 28°C (82°F), ideal for outdoor activities. Rain is frequent, waterproof gear recommended. Nights cool to 21°C (70°F).
Avg: 21°C high, 14°C low
Mild conditions at 21°C (70°F), layers recommended. Occasional showers possible. Nights cool to 14°C (57°F).
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.
Packing recommendations for visiting Hanoi during the best travel months (October, November, December), when temperatures range from 18°C to 25°C:
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 | 6 |
| 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 |
Considering alternatives to Hanoi? Compare the best travel months for nearby cities:
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
Explore weather guides for other popular destinations: