Vientiane Weather in April
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.
Rainfall in Vientiane in April
Looking at the last 30 years, the data shows about 10 days with rain, averaging 80 mm (3.1 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Vientiane in April
If you're visiting Vientiane in April, expect highs of 37°C (99°F) and overnight lows around 25°C (77°F). For most visitors, the main thing to prepare for is the heat during the day. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference. These are average temperatures, but there can be hotter days. Be sure to wear appropriate clothing and stay hydrated to manage the heat.
Sunshine in Vientiane in April
The city usually sees around 226 hours of sunlight, indicating many sunny days — a great month for sightseeing.
Wind Speed in Vientiane in April
Average wind conditions reach 1 m/s (2 knots) in April. This creates generally peaceful weather with subtle air movement. Remember this is an average: some days are windless while others have noticeable or very gentle breezes.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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Laos, check out our Vientiane's climate page.
Vientiane Temperature in April
Min Temperature
25°C (77°F)
Max Temperature
37°C (99°F)
Chance of Rain
32%
Precipitation
80 mm (3.1 in)
Rainy days
10 days
Humidity
69%
Windspeed
1 m/s (2 knots)
Sunshine
226 hours
Percentage Sunshine
Daily Historical Temperatures
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).
Average temperatures in April
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in April
Historical weather for Vientiane in April
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.
Vientiane historical weather extremes in April
Based on 50 years of weather observations in Vientiane between 1976 and 2026, these are the recorded extremes.
- Vientiane recorded its highest April temperature of 42°C (108°F) on April 30, 2024.
- On April 5, 2005, Vientiane saw its coldest April day with temperatures maxing out at 23°C (73°F).
- Nighttime temperatures dropped to 16°C (61°F) on April 8, 2018, marking the coldest April night on record.
Best Places in Laos in April
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
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tolerable
unpleasant
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What to Wear in Vientiane in April
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.What To Do in Vientiane in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Laos, check out our Vientiane's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Vientiane climate overview or explore weather in Laos.
