COVID-19 (Coronavirus) may impact your travel plans and the data on our site. Stay safe, and always check official travel advice before you book.

Best time to visit Vientiane, Laos

Our verdict

The best time to visit Vientiane is October-April

Want to know when to travel to Vientiane? Based on criteria such as the weather, cost of flights and hotels, and peak travel periods, October-April is the best time to go to Vientiane. Don’t just take our word for it though… We’ve put together loads of information below to help you decide, such as a monthly breakdown of the weather, what to pack, when to fly, and much more.

In the height of summer, temperatures in Vientiane can reach a maximum of 33℃ (91℉). In the winter, temperatures can get down to 18℃ (65℉) around August.

If you’re a sun-chaser and want to visit Vientiane when the days are longest, you should visit in October. You don’t want to get wet on your holiday, do you? Well if you’re trying to avoid the rain, then steer clear of Vientiane in January. Head over there in August instead if you want to increase your chances of not being rained on.

To learn everything you need to know (and none of the stuff you don’t) about when to visit Vientiane, keep reading below. Plus, you’ll find tools to help you get the best deals on travel and hotels too!

Warmest month

November

Least rainfall

August

Most daylight

October

Let someone else do the hard work.
Map pin icon
Where to?
Vientiane

Vientiane seasons

Before you continue, it’s important to know when the seasons are in Vientiane as they might be different to yours depending on where in the world you’re travelling from. Vientiane is in the Northern Hemisphere, so the seasons fall during these months:

SeasonMonths
Summer June to August
Autumn/fall September to November
Winter December to February
Spring March to May

Average temperatures in Vientiane

If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Vientiane for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.

Vientiane climate by month

If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Vientiane for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.

Jump to:

JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC

Vientiane in January

  • Average temperature: 26℃ (79℉)
  • Average high temperature: 29℃ (84℉)
  • Average low temperature: 24℃ (75℉)
  • Average humidity: 81%
  • Average sunny days: 0 days
  • Average rainfall: 235mm (9") over 31 days
0 days
of pure sunshine
31 days
of showers or rain

What to pack: If you’re heading to Vientiane in January, make sure you pack t-shirts and light clothing.


Vientiane in February

  • Average temperature: 26℃ (79℉)
  • Average high temperature: 29℃ (84℉)
  • Average low temperature: 24℃ (75℉)
  • Average humidity: 81%
  • Average sunny days: 0 days
  • Average rainfall: 213mm (8") over 28 days
0 days
of pure sunshine
28 days
of showers or rain

What to pack: If you’re heading to Vientiane in February, make sure you pack t-shirts and light clothing.


Vientiane in March

  • Average temperature: 26℃ (79℉)
  • Average high temperature: 29℃ (84℉)
  • Average low temperature: 23℃ (74℉)
  • Average humidity: 81%
  • Average sunny days: 1 days
  • Average rainfall: 197mm (8") over 30 days
1 days
of pure sunshine
30 days
of showers or rain

What to pack: If you’re heading to Vientiane in March, make sure you pack t-shirts and light clothing.


Vientiane in April

  • Average temperature: 26℃ (80℉)
  • Average high temperature: 29℃ (84℉)
  • Average low temperature: 24℃ (74℉)
  • Average humidity: 82%
  • Average sunny days: 3 days
  • Average rainfall: 114mm (4") over 26 days
3 days
of pure sunshine
26 days
of showers or rain

What to pack: If you’re heading to Vientiane in April, make sure you pack t-shirts and light clothing.


Vientiane in May

  • Average temperature: 26℃ (79℉)
  • Average high temperature: 29℃ (84℉)
  • Average low temperature: 24℃ (74℉)
  • Average humidity: 82%
  • Average sunny days: 8 days
  • Average rainfall: 64mm (3") over 20 days
8 days
of pure sunshine
20 days
of showers or rain

What to pack: If you’re heading to Vientiane in May, make sure you pack t-shirts and light clothing.


Vientiane in June

  • Average temperature: 25℃ (77℉)
  • Average high temperature: 28℃ (82℉)
  • Average low temperature: 23℃ (73℉)
  • Average humidity: 82%
  • Average sunny days: 14 days
  • Average rainfall: 20mm (1") over 13 days
14 days
of pure sunshine
13 days
of showers or rain

What to pack: If you’re heading to Vientiane in June, make sure you pack t-shirts and light clothing.


Vientiane in July

  • Average temperature: 25℃ (76℉)
  • Average high temperature: 27℃ (81℉)
  • Average low temperature: 22℃ (72℉)
  • Average humidity: 81%
  • Average sunny days: 16 days
  • Average rainfall: 15mm (1") over 12 days
16 days
of pure sunshine
12 days
of showers or rain

What to pack: If you’re heading to Vientiane in July, make sure you pack t-shirts and light clothing.


Vientiane in August

  • Average temperature: 24℃ (76℉)
  • Average high temperature: 27℃ (81℉)
  • Average low temperature: 22℃ (71℉)
  • Average humidity: 80%
  • Average sunny days: 18 days
  • Average rainfall: 7mm (0") over 9 days
18 days
of pure sunshine
9 days
of showers or rain

What to pack: If you’re heading to Vientiane in August, make sure you pack t-shirts and light clothing.


Vientiane in September

  • Average temperature: 25℃ (77℉)
  • Average high temperature: 28℃ (83℉)
  • Average low temperature: 22℃ (72℉)
  • Average humidity: 79%
  • Average sunny days: 14 days
  • Average rainfall: 17mm (1") over 10 days
14 days
of pure sunshine
10 days
of showers or rain

What to pack: If you’re heading to Vientiane in September, make sure you pack t-shirts and light clothing.

Vientiane in October

  • Average temperature: 26℃ (80℉)
  • Average high temperature: 30℃ (85℉)
  • Average low temperature: 23℃ (74℉)
  • Average humidity: 77%
  • Average sunny days: 10 days
  • Average rainfall: 33mm (1") over 16 days
10 days
of pure sunshine
16 days
of showers or rain

What to pack: If you’re heading to Vientiane in October, make sure you pack t-shirts and light clothing.


Vientiane in November

  • Average temperature: 27℃ (80℉)
  • Average high temperature: 30℃ (85℉)
  • Average low temperature: 24℃ (75℉)
  • Average humidity: 79%
  • Average sunny days: 2 days
  • Average rainfall: 105mm (4") over 26 days
2 days
of pure sunshine
26 days
of showers or rain

What to pack: If you’re heading to Vientiane in November, make sure you pack t-shirts and light clothing.


Vientiane in December

  • Average temperature: 27℃ (80℉)
  • Average high temperature: 29℃ (85℉)
  • Average low temperature: 24℃ (75℉)
  • Average humidity: 80%
  • Average sunny days: 0 days
  • Average rainfall: 172mm (7") over 30 days
0 days
of pure sunshine
30 days
of showers or rain

What to pack: If you’re heading to Vientiane in December, make sure you pack t-shirts and light clothing.


Top FAQs

The hottest month of the year in Vientiane is usually November, where temperatures tend to rise to around 30℃ (85℉) in the middle of the day or early afternoon.
The month with the least amount of rain in Vientiane is generally around August. The dry season often coincides with cooler weather, so you should check the temperatures in August first to make sure it’s still a good time to go.
The rainiest time of year in Vientiane is generally around January, although the wetter season can sometimes extend a few months either side of January too.
If you want to get the most out of your time visiting Vientiane, or if you're just afraid of the dark, the days in October are usually the longest between sunrise and sunset.

Vientiane map

Icons made by Freepik from www.flaticon.com