Weather in Vientiane in March 2026
- March is usually the driest month of the year in Vientiane
Average weather
Average temperature in Vientiane in March
Going from a maximum of +40°C during the day to a minimum of +17°C during the night, the temperature in March averages around +35°C.
The average maximum temperature goes up 9% by the end of the month, compared with the beginning of the month, from +34°C to +36°C.
Is Vientiane warm or cold in March?
Vientiane is typically hot in March.
Maximum temperatures go up compared to the previous month from +31°C to +34°C. The minimum temperature also goes up from +19°C to +22°C.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
March is one of the warmest months in Vientiane, here is the comparison with other months:
Climate in Vientiane in March
| February | March | April | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +31°C | +34°C | +35°C | ||||
| Min. temperature | ||||||
| +10°C | +10°C | +17°C | ||||
| Max. temperature | ||||||
| +38°C | +40°C | +44°C | ||||
| Rainfall | ||||||
| 13 mm | 26 mm | 65 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 69% | 67% | 69% | ||||
| Air pressure | ||||||
| 1012 HPa | 1009 HPa | 1008 HPa | ||||
| Sunny days | ||||||
| 16 | 14 | 6 | ||||
| Cloudy days | ||||||
| 8 | 8 | 7 | ||||
| Rainy days | ||||||
| 4 | 9 | 15 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
March typically has worse weather conditions compared to February. It’s getting warmer as March arrives. The average maximum temperature goes up from +31°C to +34°C during the day. Prepare for more rain. Average rainfall goes from 13 mm to 26 mm. It feels drier, as humidity decreases from 69% to 67%. The average wind speed doesn’t change much during March, staying around 1 m/s. The days becoming less sunny, going from 16 sunny days in February to 14 in March.
Next month (April) brings a further decline in the weather.
Wind
The average wind speed is 2 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Vientiane is gradually increasing during March, going from 1 m/s to 1 m/s over the course of the month.
Rain
How was the weather last March in Vientiane?
Climate Change over Years
The climate in Vientiane in March has not changed much over the last 43 years.
The average temperature was the lowest in 1996 (+30°C) and the highest in 2019 (+33°C). The driest year was 2019 with only 1054 mm of rainfall, and the wettest year was 1994 with 2326 mm.
FAQ
Is March a good time to visit Vientiane?
Can you sunbathe in Vientiane in March?
Is Vientiane rainy in March?
Is it sunny in Vientiane in March?
Other cities in Laos
Monthly weather in Vientiane
Source of the data
For this page, we’ve looked at the typical weather in Vientiane, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
