Weather in Vientiane in May
Vientiane, Laos averages a high of 31.9°C (89.4°F) and low of 24.7°C (76.5°F) in May, with 22 rain days and 9.3 hours of daily sunshine. Travel score: 66.9/100 (Good). The best time to visit Vientiane is December.
High
32°C89°F
Low
25°C76°F
🌧️
22
rain days
☀️
9.3
hrs/day sunshine
💧
78%
humidity
67— Good
May in Vientiane is hot and very rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Vientiane?
How much does it rain in Vientiane in May?
Vientiane receives an average of 248.8mm of rainfall across 22 rainy days in May. The annual total is 1921.3mm.
What should I pack for Vientiane in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light, breathable clothing
Hot weather with highs around 32°C
🧢
Sun hat or cap
Protection from intense sun
🧥
Waterproof jacket
Frequent rain expected (22 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
Sunscreen SPF 30+
9 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to Laos in May?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31