March · Laos
Best time to visit Vientiane in March Weather, crowds & prices
Weather in Vientiane in March
Average temperature 27°C, 57 mm of rain, about 29 days with 6+ hours of sunshine and 66% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
March score
7.1/10
Ranked #5 of 12 months
- Avg temp
- 27°C
- Rainfall
- 57 mm
- Humidity
- 66%
- Days with 6h+ sun
- 29
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
March in Vientiane scores 7.1/10 for sightseeing and cultural travel - an above-average month (#5 of 12). Expect around 27°C, 57 mm of rain, and roughly 29 days with 6+ hours of sunshine this month.
Vientiane's golden stupa, riverfront and quiet lanes make it Southeast Asia's calmest capital.
March holds up well in Vientiane — 5th best month
Days in March average 27°C (81°F) — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Budget for roughly 57 mm of rain this month — a flexible day or two helps — with about 29 days with 6+ hours of sunshine and 12 hours of daylight to work around it.
That is 7.1/10 on the same scale — 5th of 12 months, versus 9.6/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.
Expect mid-season pricing, and crowds are moderate.
If your dates are flexible, January is materially better in Vientiane — 2.5 points higher on the same scale.
Frequently asked
- What is the weather like in Vientiane in March?
- In March, Vientiane averages 27°C, 57 mm of rain, and about 29 days with 6+ hours of sunshine. Its climate-comfort score is 7.1/10.
- Is March a good time to visit Vientiane?
- March earns a 7.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Vientiane in March?
- Expect about 57 mm of rain in March. Average humidity is 66% and there are about 29 days with 6+ hours of sunshine.
Curated in Vientiane
Tickets & experiences
Things to do in Vientiane
Vientiane, Laos. Live activities and tours from GetYourGuide, matched to this destination.