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During April, Vientiane experiences extremely high daytime temperatures of 37°C (99°F) and cooler nights around 25°C (77°F). Expect quite a bit of rainfall. Around 80 mm (3.1 in) is typical.
April in Vientiane has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Pick a month to see the average temperature, rainfall and sunshine in Vientiane - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Vientiane typically stay consistent throughout April, with daily highs averaging around 37°C (99°F). Nights are warm, with lows around 24°C (75°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Vientiane spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 50 years of weather observations in Vientiane between 1976 and 2026, these are the recorded extremes.
Find out more about the weather in Laos and which places have the best travel conditions in this month. See all of Laos in April →
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).
Get ready for hot weather in April! Lightweight, breathable fabrics are your best friend during this month. Cotton and linen shirts, shorts, sundresses, and sandals will keep you comfortable. Light colors help reflect the heat, avoid wearing black. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Vientiane climate overview or explore weather in Laos.
Where to go in April - average daytime high across popular destinations.
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