Vientiane weather in March
Temperature, rain and sunshine in March: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in March
Fair
Best time to visit: November – January
What is the weather like in Vientiane in March?
In March, Vientiane is hot: daytime highs average 33 °C, and even at night it stays warm at around 22 °C. The sun shines for around 7 hours a day. Rain falls on about 6 days, adding up to 29 mm. On about 25 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, March is a so-so month for a holiday in Vientiane.
March compared
How the weather changes from February to April. Tap a month to open it.
| FebruaryFeb | MarchMar | AprilApr | |
|---|---|---|---|
| Score | 78 | 54 | 37 |
| Day | 30° | 33° | 34° |
| Night | 19° | 22° | 25° |
| Sun | 8 h | 7 h | 7 h |
| Rain days | 2 | 6 | 10 |
More details for March
- Daylight
- 12 h 1 min06:19 – 18:20
- UV index
- 11 · extremeclear sky, noon (estimate)All months
- Muggy days
- 19 daysdew point 18 °C or moreAll months
- Wind
- 11 km/haverage daily peakAll months
- Cloud cover
- 35 %on averageAll months
- Hot days
- 25 days30 °C or moreAll months
- Time zone
- UTC+7Asia/Vientiane
How the score comes together
- Temperatureweight 50 %30 %
- Sunshineweight 20 %62 %
- Few rainy daysweight 30 %89 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in March
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
Vientiane in March: quick answers
Is Vientiane hot in March?
Yes. In March, Vientiane is hot: daytime highs average 33 °C and nights stay around 22 °C. On about 25 days the thermometer climbs to 30 °C or more.
Does it rain much in Vientiane in March?
Rain falls on about 6 days, adding up to 29 mm.
Vientiane month by month
The whole year in VientianeAll destinations: LaosWhere to go in March
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