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Level 1Exercise normal precautions
Exercise normal precautions
When to go · Climate guide
Vietnamwhen to go
Vietnam's national averages run from 24 °C in January to 31 °C in June, with rainfall between 45 mm in February and 302 mm in September and 3.7–6.1 hours of sun a day. Against the default preferences (under 2.7 mm of rain a day, at least 6 hours of sun), the strongest months are February, March and April. Its 63 regions span 25–33 °C in annual mean temperature, so the national figure hides a good deal.
- Capital
- Hanoi
- Region
- Asia
- TZ
- Asia/Ho_Chi_Minh
- Area
- 327,849 km²
Best months to visit
When Vietnam shines
Climate at a glance · 10-year ERA5
A decade of weather, in one page
— daytime high— overnight low▬ typical range
View data table
| Month | Average daytime high (°C) | Average overnight low (°C) | Typical low | Typical high |
|---|---|---|---|---|
| January | 23.7 | 16.8 | 13.0 | 27.1 |
| February | 24.9 | 17.3 | 14.2 | 29.4 |
| March | 27.8 | 19.9 | 17.3 | 31.1 |
| April | 29.9 | 22.3 | 19.1 | 33.4 |
| May | 31.0 | 24.0 | 22.1 | 33.6 |
| June | 31.3 | 24.8 | 23.8 | 33.4 |
| July | 30.7 | 24.5 | 23.6 | 32.5 |
| August | 30.6 | 24.3 | 23.4 | 32.5 |
| September | 29.9 | 23.6 | 22.5 | 31.7 |
| October | 28.1 | 22.0 | 19.6 | 30.3 |
| November | 26.5 | 20.1 | 17.2 | 29.4 |
| December | 23.8 | 17.4 | 14.0 | 27.3 |
View data table
| Month | Rainfall (mm) |
|---|---|
| January | 65 |
| February | 45 |
| March | 65 |
| April | 100 |
| May | 215 |
| June | 233 |
| July | 281 |
| August | 299 |
| September | 302 |
| October | 266 |
| November | 162 |
| December | 100 |
View data table
| Month | Sunshine hours (hr / day) |
|---|---|
| January | 4.1 |
| February | 4.9 |
| March | 5.7 |
| April | 6.1 |
| May | 5.3 |
| June | 4.8 |
| July | 4.3 |
| August | 4.2 |
| September | 4.0 |
| October | 3.7 |
| November | 4.0 |
| December | 3.7 |
— average▬ typical range
View data table
| Month | Average wind speed (km/h) | Typical low | Typical high |
|---|---|---|---|
| January | 7.8 | 5.6 | 11.3 |
| February | 8.0 | 6.1 | 10.7 |
| March | 7.4 | 5.9 | 9.6 |
| April | 6.9 | 5.4 | 8.7 |
| May | 6.2 | 4.7 | 8.1 |
| June | 7.2 | 5.2 | 9.9 |
| July | 7.6 | 5.3 | 10.9 |
| August | 7.4 | 5.0 | 11.0 |
| September | 6.2 | 4.2 | 10.1 |
| October | 6.7 | 4.5 | 9.6 |
| November | 7.5 | 5.2 | 11.2 |
| December | 8.4 | 5.7 | 11.8 |
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Snow depth
Snow depth for Vietnam is part of the Premium map and its district-level detail. See what Premium includes.
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Sea surface temperature
Sea surface temperature for Vietnam is part of the Premium map and its district-level detail. See what Premium includes.
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Heat index
Heat index for Vietnam is part of the Premium map and its district-level detail. See what Premium includes.
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Humidity
Humidity for Vietnam is part of the Premium map and its district-level detail. See what Premium includes.
What’s open · year round
Things to do in Vietnam
Nothing on this list closes for the season in Vietnam, but every one of them has a window worth aiming for.
- LimitedHa Long Bay cruises
Limited June–August · at its best October–November
Sources: localvietnam.com, tnktravel.com
- LimitedHoi An Ancient Town
Limited October–November · at its best February–August
Sources: vietnamtourism.com, asiatouradvisor.com
- At its bestGolden rice terraces (Sa Pa, Mu Cang Chai, Ha Giang)
At its best September–October
Sources: vietnamcoracle.com, vietnam.travel
Opening seasons are checked by hand against the operators and parks themselves, not derived from the climate figures on this page. Last reviewed 2026-08-28. Dates move — confirm before you book.
63 regions
Vietnam, taken apart
- An Giang31–34 °C yr
- Bà Rịa-Vũng Tàu29–32 °C yr
- Bình Dương31–34 °C yr
- Bình Phước30–34 °C yr
- Bình Thuận29–32 °C yr
- Bình Định25–33 °C yr
- Bạc Liêu29–32 °C yr
- Bắc Giang20–33 °C yr
- Bắc Ninh21–34 °C yr
- Bến Tre29–32 °C yr
- Cao Bằng17–30 °C yr
- Cà Mau29–32 °C yr
- Cần Thơ30–34 °C yr
- Da Nang23–33 °C yr
- Gia Lai26–33 °C yr
- Haiphong20–33 °C yr
- Hanoi21–34 °C yr
- Ho Chi Minh31–34 °C yr
- Hà Giang17–30 °C yr
- Hà Nam21–34 °C yr
- Hà Tĩnh21–34 °C yr
- Hòa Bình20–33 °C yr
- Hải Dương21–34 °C yr
- Hậu Giang30–34 °C yr
- Khánh Hòa25–31 °C yr
- Kiên Giang30–33 °C yr
- Kon Tum24–30 °C yr
- Lai Châu19–28 °C yr
- Long An31–34 °C yr
- Lào Cai18–29 °C yr
- Lâm Đồng26–29 °C yr
- Lạng Sơn18–31 °C yr
- Nam Định20–33 °C yr
- Nghệ An21–33 °C yr
- Ninh Bình21–34 °C yr
- Ninh Thuận26–31 °C yr
- Northeast Vietnam18–31 °C yr
- Phú Thọ20–33 °C yr
- Phú Yên25–32 °C yr
- Quảng Bình21–33 °C yr
- Quảng Nam23–32 °C yr
- Quảng Ngãi24–33 °C yr
- Quảng Ninh19–31 °C yr
- Quảng Trị23–33 °C yr
- Red River Delta21–34 °C yr
- Sóc Trăng29–32 °C yr
- Sơn La20–30 °C yr
- Thanh Hóa20–33 °C yr
- Thái Bình20–33 °C yr
- Thái Nguyên20–33 °C yr
- Thừa Thiên Huế23–33 °C yr
- Tiền Giang30–33 °C yr
- Trà Vinh29–32 °C yr
- Tuyên Quang19–32 °C yr
- Tây Ninh31–35 °C yr
- Vĩnh Long30–33 °C yr
- Vĩnh Phúc21–34 °C yr
- Yên Bái18–30 °C yr
- Điện Biên21–30 °C yr
- Đông Nam Bộ30–33 °C yr
- Đắk Lắk26–33 °C yr
- Đắk Nông27–31 °C yr
- Đồng Tháp31–35 °C yr
Safety · 6 governments
What the governments say about Vietnam
Combined advisory · most-cautious-wins
Exercise increased caution
Highest level across 6 governments · Advisory last changed
See breakdown by countryHide breakdown
CA
Level 1Exercise normal precautions
Exercise normal precautions
DE
Level 1Exercise normal precautions
Exercise normal precautions
NL
Level 2Exercise increased caution
Exercise increased caution
UK
Level 1Exercise normal precautions
Exercise normal precautions
US
Level 1Exercise normal precautions
Exercise normal precautions
Month by month
A year in Vietnam, in order
- JanJanuary23.7°C · 65 mm · 4.1 hr/day
Around 24 °C with 65 mm of rain and 4.1 hours of sun a day.
Around 24 °C with 65 mm of rain and 4.1 hours of sun a day.
- FebFebruary24.9°C · 45 mm · 4.9 hr/day
Around 25 °C with 45 mm of rain and 4.9 hours of sun a day.
Around 25 °C with 45 mm of rain and 4.9 hours of sun a day.
- MarMarch27.8°C · 65 mm · 5.7 hr/day
Around 28 °C with 65 mm of rain and 5.7 hours of sun a day.
Around 28 °C with 65 mm of rain and 5.7 hours of sun a day.
- AprApril29.9°C · 100 mm · 6.1 hr/day
Around 30 °C with 100 mm of rain and 6.1 hours of sun a day.
Around 30 °C with 100 mm of rain and 6.1 hours of sun a day.
- MayMay31.0°C · 215 mm · 5.3 hr/day
Around 31 °C with 215 mm of rain and 5.3 hours of sun a day.
Around 31 °C with 215 mm of rain and 5.3 hours of sun a day.
- JunJune31.3°C · 233 mm · 4.8 hr/day
Around 31 °C with 233 mm of rain and 4.8 hours of sun a day.
Around 31 °C with 233 mm of rain and 4.8 hours of sun a day.
- JulJuly30.7°C · 281 mm · 4.3 hr/day
Around 31 °C with 281 mm of rain and 4.3 hours of sun a day.
Around 31 °C with 281 mm of rain and 4.3 hours of sun a day.
- AugAugust30.6°C · 299 mm · 4.2 hr/day
Around 31 °C with 299 mm of rain and 4.2 hours of sun a day.
Around 31 °C with 299 mm of rain and 4.2 hours of sun a day.
- SepSeptember29.9°C · 302 mm · 4.0 hr/day
Around 30 °C with 302 mm of rain and 4.0 hours of sun a day.
Around 30 °C with 302 mm of rain and 4.0 hours of sun a day.
- OctOctober28.1°C · 266 mm · 3.7 hr/day
Around 28 °C with 266 mm of rain and 3.7 hours of sun a day.
Around 28 °C with 266 mm of rain and 3.7 hours of sun a day.
- NovNovember26.5°C · 162 mm · 4.0 hr/day
Around 26 °C with 162 mm of rain and 4.0 hours of sun a day.
Around 26 °C with 162 mm of rain and 4.0 hours of sun a day.
- DecDecember23.8°C · 100 mm · 3.7 hr/day
Around 24 °C with 100 mm of rain and 3.7 hours of sun a day.
Around 24 °C with 100 mm of rain and 3.7 hours of sun a day.
Same climate · neighbouring countries
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