Vientiane weather in April
Temperature, rain and sunshine in April: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in April
Poor
Best time to visit: November – January
What is the weather like in Vientiane in April?
In April, Vientiane is very hot: daytime highs average 34 °C, and even at night it stays warm at around 25 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 10 rainy days and 68 mm in total. On about 27 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, April is not an ideal month for a holiday in Vientiane.
April compared
How the weather changes from March to May. Tap a month to open it.
More details for April
- Daylight
- 12 h 32 min05:54 – 18:26
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 27 daysdew point 18 °C or moreAll months
- Wind
- 11 km/haverage daily peakAll months
- Cloud cover
- 50 %on averageAll months
- Hot days
- 27 days30 °C or moreAll months
- Time zone
- UTC+7Asia/Vientiane
How the score comes together
- Temperatureweight 50 %14 %
- Sunshineweight 20 %68 %
- Few rainy daysweight 30 %55 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in April
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Vientiane in April: quick answers
Is Vientiane hot in April?
Yes. In April, Vientiane is very hot: daytime highs average 34 °C and nights stay around 25 °C. On about 27 days the thermometer climbs to 30 °C or more.
Does it rain much in Vientiane in April?
Rain is frequent, with about 10 rainy days and 68 mm in total.
Vientiane month by month
The whole year in VientianeAll destinations: LaosWhere to go in April
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences