Which is the hottest month in Laos?

The hottest time of year in Vientiane, Laos is normally April. Expect maximum daytime temperatures to reach 36°C with very high heat and humidity.

Best time to visit Laos

Q: When is the best time to visit Laos?

The best time to visit Laos (Vientiane) is January and December based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

Q: Which month has the most rain in Laos?

In terms of rainfall, August is usually the wettest month in Vientiane, Laos with 332mm on average. There are normally 24 days in August with some rain.

Q: When is it sunniest in Laos?

The sunniest time of year in Vientiane, Laos is normally December with bright sunshine on average for 75% of daylight hours; that's 8 hours of sunshine per day.

Find the best time to visit Laos and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Laos by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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Top Laos destinations

Below are the temperatures expected today at popular countries, regions and places in Laos. Select a destination to compare today's forecast with average weather conditions.

All Laos destinations

When is the best time to visit Laos?

The best time to visit Laos (Vientiane) is January and December based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

4
Jan
3
Feb
2
Mar
2
Apr
1.5
May
1.5
Jun
1.5
Jul
1.5
Aug
1.5
Sep
3.5
Oct
4
Nov
4
Dec

Change criteria

Max Day Temperature (°C)

29
Jan
32
Feb
35
Mar
36
Apr
34
May
33
Jun
32
Jul
32
Aug
32
Sep
31
Oct
30
Nov
29
Dec

Hours of Sunshine (daily)

8
Jan
8
Feb
8
Mar
8
Apr
7
May
5
Jun
5
Jul
5
Aug
5
Sep
8
Oct
8
Nov
8
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Laos (Vientiane) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)

Laos weather overview

Laos is a hilly, landlocked country with jungle covering more than 60 per cent of its surface. It has a single rainy season (May to October) and a dry, sunny climate, averaging 8 hours of daily sunshine for the rest of the year. The best time to visit Laos is during the winter months when the humidity, which makes the rainy season such a trial, abates.

What to pack for Laos weather

In low-lying areas, light clothing is fine whatever the time of year, but be prepared for the monsoon rains. Winter conditions are chillier up in the mountains, especially when cloudy fronts blow in from China, so take warmer clothing if you are planning to go high up.

More about Laos

Explore our complete guide to Laos with the latest travel advice for travellers and holidaymakers including official updates and local travel tips for Laos.

Essential travel guide
Travel guidance
Travel health
Travel features
Top travel deals
FAQs

Laos travel guide - essential info

Below is a beginner's guide to Laos with essential travel facts such as dominant language spoken, typical flight time from the UK and the local currency. You can also check whether visas are required and what plug adapter you need to pack.

Laos - quick facts
Time difference	UK +7 hours
Language(s)	Lao
Currency	Lao Kip
Electricity	A + B + C + E + F plug (230V)
Driving side	Right
Visa^✝	Yes

Why visit Laos?

Considering a holiday to the Laos? Here are some of the very good reasons it makes such a wonderful holiday destination be it for culture or nature to ensure you get the most out of your 2025/2026 escape.

Culture
Nature

Laos tourist information

Laos Ministry of Tourism

✝ = requirements for UK travellers.

Travelling to Laos?
Hotels Flights eSIMs

Laos travel guidance

Check the latest travel guidance and advice on visiting Laos from official government sources (in english) from around the world including entry requirements and travel restrictions.

UK traveller advice for Laos - UK FCDO
Irish traveller advice for Laos - Department of Foreign Affairs, Ireland
Canadian travel advice for Laos - Government of Canada
US travel advisories for Laos - US Department of State
Safe travel advisories for Laos - Ministry of Foreign Affairs, New Zealand
Smarter traveller advice for Laos - Department of Foreign Affairs, Australia

Learn more about the current safety and security risks from terrorism, natural disasters and more. Read about the local laws and customs to consider when travelling around Laos.

Note: UK FCDO - UK Foreign, Commonwealth & Development Office

Laos travel health

Find out more about staying safe when travelling to Laos with the latest guidance on required vaccinations and recommended medication to take with you.

Vaccines & medicines for Laos - CDC
Health & vaccinations for Laos - TravelHealthPro, NaTHNac
How to stay safe & healthy in Laos - Fit for Travel, Public Health Scotland

Check out the general travel tips for staying safe and healthy in Laos, risks of preventable diseases and what to pack.

Note: CDC - Centers for Disease Control and Prevention

Laos travel features

Do you want to learn more about Laos? Read our latest features covering travel tips and insider destination guides on where to go and what to do in Laos.

We don't currently have any travel features on Laos. Discover more about holiday destinations around the world with this selection of general travel articles.

Best destinations for winter sun in 2025/2026

Laos FAQs

Read our frequently asked questions about travelling to Laos including the current entry restrictions, driving side, electrical plugs used and much more.

Which month has the most rain in Laos?

In terms of rainfall, January is usually the wettest month in Vientiane, Laos with 0mm on average. There are normally no days in January with some rain.

When is it sunniest in Laos?

The sunniest time of year in Vientiane, Laos is normally January with bright sunshine on average for 0% of daylight hours; that's 0 hours of sunshine per day.

When is the sea warmest in Laos?

The sea is usually at its warmest in Vientiane, Laos in January when the water temperature reaches 0°C.

What is the time difference between Laos and the UK?

The time difference between Laos and the UK is UK time+7 hours.

What is the main language spoken in Laos?

The main language spoken in Laos is Lao.

What is the currency in Laos?

The currency in Laos is the Lao Kip (LAK).

Send money to Laos with World Remit^*.

Which plugs are used in Laos?

Laos uses electrical plug type A + B + C + E + F (230 Volts).

Which side of the road do they drive on in Laos?

They drive on the right side of the road in Laos.

Find out more about driving in Laos with International Drivers Association^*.

Do you need a visa for Laos?

Yes, UK passport holders do need a visa to enter Laos.

Check Laos visa requirements for all passport holders with VisaHQ^*.

Laos travel deals

Holidays to Laos

Check out the latest deals, discount codes and special offers on holidays to Laos in 2025/2026. Pay low deposits and save with last minute holiday availability and free kids places.