Vientiane
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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.

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

Vientiane Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Vientiane - and find the best time to visit.

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 records 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
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).

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.

  • Swimming
    9/10
  • Camping
    8/10

Vientiane 3-Day Forecast

More climate data for Vientiane

Popular in April

Where to go in April - average daytime high across popular destinations.

Bucket list

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