Nong khiaw

Laos Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in Laos in May.

Considering a trip to Laos this May and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Laos in May

May in Laos generally has temperatures that range from warm to very warm, with precipitation levels ranging from high to heavy.

Temperatures

During the day the temperature is warm in Muang Phônsavan at 29°C (84°F) and very warm in Vientiane at 35°C (95°F). As night falls, temperatures generally drop to 25°C (77°F) in Vientiane and 19°C (66°F) in Muang Phônsavan. These night and day temperatures are average and some days may be even warmer. So be prepared and dress for the heat.

For specific regional insights in Laos, refer to the map provided below.

Precipitation

In May, precipitation varies across different areas. From high rainfall in Ban Vanglè with an average of 148 mm (5.8 in) to heavy rainfall in Ban Tayun with 318 mm (13 in).

Average sunshine

Sunshine levels are moderate in most locations. Luang Prabang typically sees 185 hours of sunlight, creating comfortable conditions that aren't too bright or too dim. Looking for something sunnier? Our weather planner helps you discover destinations with more reliable sunshine.

Explore Laos by month

Pick a month to see the average temperature, rainfall and sunshine in Laos - and find the best time to visit. (based on Luang Prabang)

Best Places to Visit in Laos in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Laos.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Laos

What is the weather like in May for some of the most popular destinations in Laos?

Temperature range in Laos (May)

Precipitation variation in Laos (May)

Luang Prabang

In May Luang Prabang generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 22°C (72°F) and high monthly rainfall. So on average the conditions are good that month.

May
April
May
June
Max temperature
33°C (91°F)
32°C (90°F)
32°C (90°F)
Min temperature
21°C (70°F)
22°C (72°F)
23°C (73°F)
Monthly sun hours
197 hours
185 hours
129 hours
Monthly rainfall
90 mm (3.5 in)
156 mm (6.1 in)
200 mm (7.9 in)
Monthly rainy days
12 days
17 days
19 days
Weather conditions

Vientiane

In May Vientiane generally has very high temperatures with maximum daytime temperatures around 35°C (95°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

May
April
May
June
Max temperature
37°C (99°F)
35°C (95°F)
34°C (93°F)
Min temperature
25°C (77°F)
25°C (77°F)
26°C (79°F)
Monthly sun hours
226 hours
198 hours
144 hours
Monthly rainfall
80 mm (3.1 in)
266 mm (10 in)
321 mm (13 in)
Monthly rainy days
10 days
18 days
20 days
Weather conditions

Vang Vieng

In May Vang Vieng generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 22°C (72°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

May
April
May
June
Max temperature
32°C (90°F)
31°C (88°F)
30°C (86°F)
Min temperature
21°C (70°F)
22°C (72°F)
23°C (73°F)
Monthly rainfall
110 mm (4.3 in)
281 mm (11 in)
423 mm (17 in)
Monthly rainy days
11 days
18 days
20 days
Weather conditions

Pakse

In May Pakse generally has very high temperatures with maximum daytime temperatures around 34°C (93°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

May
April
May
June
Max temperature
35°C (95°F)
34°C (93°F)
32°C (90°F)
Min temperature
24°C (75°F)
25°C (77°F)
24°C (75°F)
Monthly sun hours
228 hours
203 hours
147 hours
Monthly rainfall
71 mm (2.8 in)
198 mm (7.8 in)
310 mm (12 in)
Monthly rainy days
9 days
17 days
25 days
Weather conditions

Savannakhet

In May Savannakhet generally has very high temperatures with maximum daytime temperatures around 34°C (93°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

May
April
May
June
Max temperature
36°C (97°F)
34°C (93°F)
33°C (91°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly rainfall
74 mm (2.9 in)
200 mm (7.9 in)
227 mm (8.9 in)
Monthly rainy days
8 days
16 days
19 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Laos.

In our records: Laos May extremes

Notable May records observed across cities in Laos in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest May day in Laos reached 44°C (111°F) in Thalat on May 2, 1990.

Popular cities in May

Day & night temperatures, rainfall and average weather in Laos in May.

City Weather Day temp Night temp Rainfall
Luang Prabang 32°C (90°F) 22°C (72°F) 156 mm (6.1 in)
Vientiane 35°C (95°F) 25°C (77°F) 266 mm (10 in)
Vang Vieng 31°C (88°F) 22°C (72°F) 281 mm (11 in)
Pakse 34°C (93°F) 25°C (77°F) 198 mm (7.8 in)
Savannakhet 34°C (93°F) 25°C (77°F) 200 mm (7.9 in)
Muang Phônsavan 29°C (84°F) 19°C (66°F) 186 mm (7.3 in)

Laos weather in May: frequently asked questions

What is the weather like in Laos in May?

May in Laos brings mixed weather. In Luang Prabang, daytime temperatures are typically around 32°C (90°F) and nighttime lows hover near 22°C (72°F).

What is the average temperature in Laos in May?

Daytime temperatures in Luang Prabang peak at roughly 32°C (90°F) in May, dropping to about 22°C (72°F) overnight.

Does Laos get a lot of rain in May?

Luang Prabang typically receives notable rainfall in May, about 156 mm (6.1 in) on average across Laos.

Is May a Good Time to Visit Laos?

Given the typically good weather conditions in Luang Prabang, May might be a good time to visit Laos.

On average, the best time to visit Laos is in January, February, November and December with generally excellent weather in Luang Prabang. The weather in June, July, August and September, on the other hand, tends to be less favorable.

Interested in more climate information?

We have much more information about the climate in Laos.

Weather and climate has detailed information for every country in the world. Are you going to Laos? Get detailed historical weather averages for many cities in Laos.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.