Vientiane Weather in March
Vientiane in March sees extremely high daytime temperatures of 35°C (95°F) and nighttime lows of 22°C (72°F). Moderate rainfall is typical, with around 38 mm (1.5 in) for the month.
Rainfall in Vientiane in March
Records from the past 30 years suggest around 6 days of rain, with 38 mm (1.5 in) average for the month. Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.
Temperature in Vientiane in March
Expect highs of 35°C (95°F) in Vientiane in March, with nights dropping to around 22°C (72°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. Nights are mild at around 22°C (72°F), which is comfortable for most people.
Sunshine in Vientiane in March
Expect sunny days throughout the month, with an estimated 217 hours of sunshine. This makes it a pleasant time to visit Vientiane.
Wind Speed in Vientiane in March
Wind speeds average 1 m/s (2 knots) during March. At this speed, you'll experience mostly light air movement that's just barely noticeable. As an average, some days will be completely calm while others have gentle breezes you can feel on your skin.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, November and December typically offer the best weather for Vientiane.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Laos, check out our Vientiane's climate page.
Vientiane Temperature in March
Min Temperature
22°C (72°F)
Max Temperature
35°C (95°F)
Chance of Rain
19%
Precipitation
38 mm (1.5 in)
Rainy days
6 days
Humidity
66%
Windspeed
1 m/s (2 knots)
Sunshine
217 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Vientiane typically stay consistent throughout March, with daily highs averaging around 35°C (95°F). Nights are warm, with lows typically ranging from 20°C (68°F) to 23°C (73°F).
Average temperatures in March
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 March
Historical weather for Vientiane in March
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 March
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Vientiane.
- Vientiane recorded its highest March temperature of 40°C (104°F) on March 23, 2023.
- Vientiane registered its coldest March night on March 4, 1986, with temperatures dropping to 12°C (54°F).
Best Places in Laos in March
Find out more about the weather in Laos and which places have the best travel conditions in this month. See all of Laos in March →
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What to Wear in Vientiane in March
Pack for serious heat in Vientiane in March. Prioritize clothing that breathes and doesn't cling or stick. Lightweight cotton, linen, and moisture-wicking fabrics are ideal. A wide hat provides welcome shade. Light rain is possible, so consider bringing a small umbrella or rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Vientiane in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Laos, check out our Vientiane's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Vientiane climate overview or explore weather in Laos.
