AU
Level 2Exercise increased caution
Exercise increased caution
When to go · Climate guide
Laoswhen to go
Laos' national averages run from 25 °C in December to 32 °C in April, with rainfall between 20 mm in December and 390 mm in August and 2.9–7.6 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 January, February and December. Its 17 regions span 26–32 °C in annual mean temperature, so the national figure hides a good deal.
- Capital
- Vientiane
- Region
- Asia
- TZ
- Asia/Vientiane
- Area
- 228,232 km²
Best months to visit
When Laos 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 | 25.7 | 14.2 | 9.5 | 29.4 |
| February | 27.8 | 15.0 | 11.8 | 31.8 |
| March | 30.6 | 18.4 | 15.4 | 33.9 |
| April | 31.9 | 21.0 | 17.5 | 35.8 |
| May | 31.3 | 22.5 | 21.1 | 34.7 |
| June | 30.2 | 23.2 | 22.3 | 32.4 |
| July | 29.4 | 22.9 | 22.1 | 31.9 |
| August | 29.1 | 22.7 | 22.0 | 31.5 |
| September | 29.3 | 22.2 | 21.2 | 31.5 |
| October | 28.6 | 20.6 | 17.8 | 30.9 |
| November | 27.5 | 18.0 | 14.3 | 30.4 |
| December | 25.4 | 14.7 | 10.3 | 29.5 |
View data table
| Month | Rainfall (mm) |
|---|---|
| January | 26 |
| February | 23 |
| March | 43 |
| April | 88 |
| May | 201 |
| June | 260 |
| July | 372 |
| August | 391 |
| September | 306 |
| October | 154 |
| November | 50 |
| December | 20 |
View data table
| Month | Sunshine hours (hr / day) |
|---|---|
| January | 6.5 |
| February | 7.4 |
| March | 7.6 |
| April | 7.3 |
| May | 5.5 |
| June | 4.1 |
| July | 3.3 |
| August | 2.9 |
| September | 3.9 |
| October | 4.9 |
| November | 5.9 |
| December | 6.4 |
— average▬ typical range
View data table
| Month | Average wind speed (km/h) | Typical low | Typical high |
|---|---|---|---|
| January | 6.4 | 4.6 | 10.0 |
| February | 6.7 | 4.9 | 9.6 |
| March | 6.2 | 4.8 | 8.9 |
| April | 5.8 | 4.1 | 7.9 |
| May | 5.1 | 3.6 | 7.1 |
| June | 5.9 | 3.8 | 8.4 |
| July | 5.6 | 3.7 | 8.3 |
| August | 5.5 | 3.4 | 8.4 |
| September | 4.4 | 3.1 | 7.3 |
| October | 5.5 | 3.3 | 8.6 |
| November | 6.3 | 3.8 | 9.6 |
| December | 6.9 | 4.7 | 10.3 |
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Snow depth
Snow depth for Laos 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 Laos is part of the Premium map and its district-level detail. See what Premium includes.
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Heat index
Heat index for Laos is part of the Premium map and its district-level detail. See what Premium includes.
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Humidity
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What’s open · year round
Things to do in Laos
Nothing on this list closes for the season in Laos, but every one of them has a window worth aiming for.
- At its best
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.
17 regions
Laos, taken apart
- Attapeu29–34 °C yr
- Bokeo26–34 °C yr
- Bolikhamsai25–31 °C yr
- Champasak30–34 °C yr
- Houaphanh20–29 °C yr
- Khammouane25–32 °C yr
- Luang Namtha24–32 °C yr
- Luang Prabang25–31 °C yr
- Oudomxay25–32 °C yr
- Phongsaly22–30 °C yr
- Sainyabuli27–33 °C yr
- Salavan27–33 °C yr
- Savannakhet27–34 °C yr
- Sekong24–30 °C yr
- Vientiane27–32 °C yr
- Vientiane Prefecture29–36 °C yr
- Xiangkhouang22–28 °C yr
Safety · 4 governments
What the governments say about Laos
Combined advisory · most-cautious-wins
Exercise increased caution
Highest level across 4 governments · Advisory last changed
See breakdown by countryHide breakdown
DE
Level 1Exercise normal precautions
Exercise normal precautions
NL
Level 2Exercise increased caution
Exercise increased caution
US
Level 2Exercise increased caution
Exercise increased caution
Parts of Laos carry a higher advisory — up to level 3, "Reconsider travel". The governments concerned name a region rather than a boundary, so the carve-out is not drawn on the map and is not reflected in the combined level above. Follow the source links for where it applies.
Month by month
A year in Laos, in order
- JanJanuary25.7°C · 26 mm · 6.5 hr/day
Around 26 °C with 26 mm of rain and 6.5 hours of sun a day.
Around 26 °C with 26 mm of rain and 6.5 hours of sun a day.
- FebFebruary27.8°C · 23 mm · 7.4 hr/day
Around 28 °C with 23 mm of rain and 7.4 hours of sun a day.
Around 28 °C with 23 mm of rain and 7.4 hours of sun a day.
- MarMarch30.6°C · 43 mm · 7.6 hr/day
Around 31 °C with 43 mm of rain and 7.6 hours of sun a day.
Around 31 °C with 43 mm of rain and 7.6 hours of sun a day.
- AprApril31.9°C · 88 mm · 7.3 hr/day
Around 32 °C with 88 mm of rain and 7.3 hours of sun a day.
Around 32 °C with 88 mm of rain and 7.3 hours of sun a day.
- MayMay31.3°C · 201 mm · 5.5 hr/day
Around 31 °C with 201 mm of rain and 5.5 hours of sun a day.
Around 31 °C with 201 mm of rain and 5.5 hours of sun a day.
- JunJune30.2°C · 260 mm · 4.1 hr/day
Around 30 °C with 260 mm of rain and 4.1 hours of sun a day.
Around 30 °C with 260 mm of rain and 4.1 hours of sun a day.
- JulJuly29.4°C · 372 mm · 3.3 hr/day
Around 29 °C with 372 mm of rain and 3.3 hours of sun a day.
Around 29 °C with 372 mm of rain and 3.3 hours of sun a day.
- AugAugust29.1°C · 391 mm · 2.9 hr/day
Around 29 °C with 390 mm of rain and 2.9 hours of sun a day.
Around 29 °C with 390 mm of rain and 2.9 hours of sun a day.
- SepSeptember29.3°C · 306 mm · 3.9 hr/day
Around 29 °C with 306 mm of rain and 3.9 hours of sun a day.
Around 29 °C with 306 mm of rain and 3.9 hours of sun a day.
- OctOctober28.6°C · 154 mm · 4.9 hr/day
Around 29 °C with 154 mm of rain and 4.9 hours of sun a day.
Around 29 °C with 154 mm of rain and 4.9 hours of sun a day.
- NovNovember27.5°C · 50 mm · 5.9 hr/day
Around 27 °C with 50 mm of rain and 5.9 hours of sun a day.
Around 27 °C with 50 mm of rain and 5.9 hours of sun a day.
- DecDecember25.4°C · 20 mm · 6.4 hr/day
Around 25 °C with 20 mm of rain and 6.4 hours of sun a day.
Around 25 °C with 20 mm of rain and 6.4 hours of sun a day.
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