Capital city, Vietnam
Hanoi weather by month and the best time to visit
When to go to Hanoi
Oct–Nov is cool and dry; Mar–Apr is mild. Dec–Feb is grey and 8–15°C. May–Sep is hot and humid with heavy rain and typhoon spillover.
Hanoi weather by month
Average daily high, rainfall and conditions.
- Jan21°32 mm
- Feb24°22 mm
- Mar27°49 mm
- Apr31°78 mm
- May32°179 mm
- Jun32°201 mm
- Jul32°300 mm
- Aug32°322 mm
- Sep31°223 mm
- Oct28°124 mm
- Nov25°52 mm
- Dec21°25 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 21°C69°F | 11°C52°F | 32 mm | 81% | Pleasant |
| February | 24°C75°F | 14°C56°F | 22 mm | 80% | Pleasant |
| March | 27°C81°F | 17°C62°F | 49 mm | 80% | Pleasant |
| April | 31°C88°F | 20°C69°F | 78 mm | 78% | Pleasant |
| May | 32°C90°F | 24°C75°F | 179 mm | 80% | Rainy |
| June | 32°C90°F | 26°C78°F | 201 mm | 84% | Rainy |
| July | 32°C90°F | 26°C78°F | 300 mm | 85% | Very wet |
| August | 32°C89°F | 25°C78°F | 322 mm | 86% | Very wet |
| September | 31°C87°F | 24°C75°F | 223 mm | 85% | Rainy |
| October | 28°C83°F | 20°C69°F | 124 mm | 84% | Pleasant |
| November | 25°C77°F | 16°C61°F | 52 mm | 82% | Pleasant |
| December | 21°C70°F | 12°C53°F | 25 mm | 80% | Pleasant |
Best months across Vietnam
| Place | Best months | Warmest month |
|---|---|---|
| Ho Chi Minh City | Dec–Mar | Mar (37°C) |
| Hanoi | Mar–Apr, Oct–Nov | Jun (32°C) |
| Da Nang | Feb–Jun | Jun (33°C) |
| Hoi An | Feb–May | Jun (32°C) |
| Ha Long Bay | Mar–Apr, Oct–Nov | Jun (31°C) |
| Nha Trang | Jan–Jun | May (30°C) |
| Phu Quoc | Nov–Mar | May (30°C) |
| Sapa | Mar–May, Sep–Oct | Jun (26°C) |
| Hue | Feb–May | Jun (33°C) |
| Ninh Binh | Mar–May, Sep–Oct | Jun (32°C) |
| Da Lat | Dec–Mar | Apr (25°C) |
| Ha Giang | Mar–Apr, Sep–Nov | May (34°C) |
| Mui Ne | Nov–Apr | Apr (33°C) |
| Phong Nha | Mar–Jul | May (34°C) |
| Cat Ba | Apr–May, Oct–Nov | Jul (30°C) |
| Vung Tau | Nov–Apr | Apr (34°C) |
| Quy Nhon | Feb–Jun | Aug (31°C) |
| Can Tho | Dec–Apr | Apr (36°C) |
| Con Dao | Mar–Jul | May (29°C) |
| Cao Bang | Apr, Sep–Nov | May (31°C) |
| Mai Chau | Mar–Apr, Sep–Nov | May (34°C) |
Quick answers
What is the best month to visit Hanoi?
Mar–Apr, Oct–Nov. Oct–Nov is cool and dry; Mar–Apr is mild. Dec–Feb is grey and 8–15°C. May–Sep is hot and humid with heavy rain and typhoon spillover.
When is the rainy season in Hanoi?
Rain peaks in August with about 322 mm. Months with 150 mm or more: May–Sep.
What is the hottest month in Hanoi?
June, with average highs of 32°C (90°F).
How cold does Hanoi get?
The coolest nights are in January, averaging 11°C (52°F).
More about Hanoi
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Sources
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Temperatures are adjusted by 0.5°C for the city's elevation. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.