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Best time to visit South East Asia

The best time to visit Indochina may well depend on numerous key factors with monsoons, festivals and full moons creating an eclectic array of experiences in the capital cities of Bangkok, Vientiane, Phnom Penh and Hanoi. Find out more in our month by month guide in addition to our cultural pick from the Indochina calendar.

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Best time to visit South East Asia

Everyone has a different favourite season in Indochina and it all depends on what you want to get out of your trip

The best time to visit Indochina is between November and February, which brings drier, less humid, and slightly cooler weather to most of the area. though it can be cold in Halong Bay at this time, so a warm jacket is recommended. Laos’s weather system is straightforward and the country is dry between November and April, but gets unbearably hot between March and June. Vietnam’s humid south is warm year-round and October to December are the finest months in the north, while in Cambodia, June to October offers lush paddy fields.

Call us for the best time to go to South East Asia (Indochina)

Bangkok Weather Chart

MIN °C

MAX °C

RAIN (mm)

JAN

FEB

MAR

APR

MAY

182

JUN

159

JUL

167

AUG

207

SEP

292

OCT

199

NOV

DEC

Our South East Asia (Indochina) Holidays

South East Asia, month by month

Broadly speaking, there are two main seasons in Indochina: the rainy season, from May to October or November, and the dry season from December to April. However, it’s a large region with plenty of microclimates, so you’re sure to find pleasant weather somewhere regardless of when you plan to travel. Towards the end of the dry season, in March, temperatures begin to rise, and in some places can top 40°C in April with high humidity. The highlands offer a refreshing respite at this time. During the rainy season, there are some key areas which experience disruptions. The Mekong Delta can flood, making travel difficult. In Thailand, the Andaman Coast experiences the worst of the rain – and rough seas can prevent boats from reaching places such as Bamboo Island, near Kep. However, in the Gulf of Thailand at this time, rain is lighter, there are fewer crowds, and some islands – such as Koh Samet – enjoy a pleasant microclimate. Heavier rains are likely here in September and October though. Tropical cyclones can also occur in coastal areas during the rainy season; keep an eye on weather reports if travelling there during this time. To see turtles nesting in Vietnam’s Con Dao Archipelago, head there in July, August or early September. Tet is Vietnam’s largest festival, to welcome in the New Year. It takes place in late January or early February, on the same day as Chinese New Year. It’s incredibly good fun – but if you don’t plan to join in, you may be best avoiding this period, as there will be huge crowds, public transport will be busy and many attractions will close for up to a week. Kho Pha Ngan is a sleazy tornado of tourists at any time of year – but once a month – especially in January - it’s even worse, as up to 30,000 hedonists arrive in time for the Full Moon Party. There’s no traditional element to this festival, which was created for and by westerners. Accommodation is fully booked, music blares all night and the beach will be covered in broken glass and burning cigarettes – it’s best avoided, as are the “Half Moon Parties” for those who are passing through later in the lunar cycle.

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Kian Rackley from our supplier, Insider Journeys, shares his opinion on the best time to visit Indochina: “The best time to visit Indochina is between October and March; it’s cool and the weather is dry. The rainy season kicks off in April across the region, but it is fickle from country to country, so it’s safer to say that it lasts through from March until September, but can still be a great time to visit. In central Vietnam where most of the beaches are, from April through to July is a very warm and dry spell. Laos becomes very dry and very hot during that period, especially inland, and in the south it becomes unbearably hot, and in Cambodia it’s rainy, but the showers are short and sharp and happen predictably in the morning and in the afternoon, so it’s perfectly manageable. Visiting during this period is well worth it because tourist arrivals plummet, so you really escape the crowds, and it’s when the rice harvests starts, so the brown rice fields are replaced by a fluorescent green.”

Festivals & events

Songkran

A real benefit to visiting Southeast Asia on the cusp of the dry season is Songkran, the New Year celebrations that happen across Indochina in April. It’s a huge, week-long party in the street celebrating the end of the dry season and the start of the rainy season. Everyone has a water gun, so there’s no hiding behind anyone to escape from getting wet; they’ll definitely have a water gun and will soak you through while belly laughing. A 90-year-old granny in the street? Don’t trust her.

More about South East Asia (Indochina)

South East Asia travel guide

Our Indochina travel guide incorporates all the charm, creativity and chaos of four of South East Asia’s most beguiling countries: Thailand, Laos, Vietnam and Cambodia.

South East Asia highlights & itineraries

Follow the Mekong River as it traces a route through Indochina and provides a valuable source of work, food and transportation for local people as well as an ideal point of reference to make the most of your time in Indochina.

Things to do in South East Asia

There are so many things to do in Indochina that getting bored is never an option, and we recommend learning more about the culture, history and food (of course) that form the backbone of Vietnam, Thailand, Laos and Cambodia, to enjoy each country to the max.

How long should I spend in Southeast Asia?

The beauty of travelling in Southeast Asia is that capital cities, such as Bangkok, and key cultural sites, such as Angkor Wat, are relatively close together and easily accessible, even if they’re in different countries.

Things to see & do along the Mekong

Flowing south through Laos, Thailand and Cambodia before forming the Mekong Delta in Vietnam, the Mekong is the life source for many of the region’s capital cities and rural villages, and a wonderful place to explore.

Southeast Asian food & cooking

Seeking out the street food stalls and cooking classes of Southeast Asia allows travellers to taste the difference and compare the cuisine of Thailand, Laos, Cambodia and Vietnam.

Cycling in Indochina

If you’ve been to Southeast Asia and feel like you’ve seen all there is to see, perhaps it’s time to check out Laos, Thailand, Cambodia and Vietnam from a slightly closer perspective.

South East Asia with kids

If you’re planning on travelling in Indochina with kids then go for it, as from primate rescue centres and bamboo rafting along the Mekong River to hidden temple ruins and friendly local people, this region of South East Asia is made for families who love to explore.

South East Asia travel advice

We’re proud to be able to publish some genuinely helpful Indochina travel advice that has come directly from our friends in Indochina with food advice and tips on visiting ancient cities just as insightful as tips on how to travel safely in Indochina.

Responsible tourism in South East Asia

We know that all responsible travellers want to travel right in Indochina which is why our responsible tourism page highlights the important issues, including orphanages, poverty, animal rights and boycotting Thailand’s tiger temple, plus what you can do to help.