Vientiane, Laos — Weather in March 2027

Climate Overview

Vientiane, Laos in March has hot conditions, with highs reaching 33°C (91°F) and afternoons the warmest part of the day. Temperatures drop noticeably between day and night.

This month falls at the beginning of Spring. Temperatures are at their seasonal peak.

Temperatures remain fairly steady throughout March, with daily highs around 33°C (91°F).

Rainfall is heaviest during the last third of the month, while the first third tends to be drier.

The warmest days tend to fall around the 14th, averaging 33.7°C (93°F).

Compared to February, this month is about 3°C warmer with 3 more rainy days.

Monthly March Averages

Temperature

33°C / 22°C

Feels Like

37°C / 25°C

Rain

5 days · 29 mm

Sunshine

10.7h / day

Humidity

60% — Moderate

Wind

11 km/h

Wind Direction

SE (127°)

Gusts

28 km/h

Daylight

12 h

Cloud Cover

33%

Clear Sky Days

11.5

UV Index

8.2 — Very High

Dew Point

19°C — Humid

Moon Phase

First Quarter · 46%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

High Low

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 06:18

Daylight 12h

Sunset 18:19

What to Expect

With midday temperatures reaching 33°C (91°F), schedule outdoor activities for early morning or late afternoon. Evenings remain warm enough for comfortable outdoor dining and night markets.

Rain is uncommon in this month, so most days stay dry from morning through evening.

Recent yearly records for March have stayed close to the long-run average.

Compare Months

2days (13 mm) Excellent

2days (22 mm) Excellent

1days (6 mm) Excellent

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January best	28°C / 17°C	29°C / 18°C	2days (13 mm) Excellent	9.7h Good	64% Muggy	6.3 High	Excellent	View Details
February best	30°C / 18°C	32°C / 19°C	2days (22 mm) Excellent	10.4h Excellent	61% Muggy	7.3 Very High	Excellent	View Details
March	33°C / 22°C	37°C / 25°C	5days (29 mm) Good	10.7h Excellent	60% Moderate	8.2 Very High	Good	View Details
April	35°C / 25°C	40°C / 29°C	8days (47 mm) Wet	11.1h Excellent	60% Moderate	8.7 Very High	Poor	View Details
May	33°C / 25°C	39°C / 30°C	20days (207 mm) Wet	9.8h Good	74% Muggy	8 Very High	Wet	View Details
June	31°C / 25°C	38°C / 31°C	25days (269 mm) Wet	8.9h Good	83% Humid	7.3 Very High	Wet	View Details
July	30°C / 25°C	37°C / 30°C	26days (343 mm) Wet	7.7h Good	84% Humid	6.5 High	Wet	View Details
August	30°C / 25°C	36°C / 30°C	26days (396 mm) Wet	7.2h Good	86% Very Muggy	6.5 High	Wet	View Details
September	30°C / 24°C	37°C / 29°C	25days (305 mm) Wet	8.1h Good	85% Humid	6.9 High	Wet	View Details
October	30°C / 23°C	35°C / 27°C	11days (107 mm) Wet	9.4h Good	79% Humid	7.1 Very High	Fair	View Details
November best	29°C / 21°C	33°C / 23°C	4days (24 mm) Good	9.5h Good	70% Muggy	6.2 High	Excellent	View Details
December best	27°C / 17°C	29°C / 18°C	1days (6 mm) Excellent	9.6h Good	64% Muggy	6 High	Excellent	View Details

What to Wear

Light, breathable fabrics like cotton and linen are essential. Opt for loose-fitting clothing in light colors to stay cool.

Temperatures drop significantly at night, so pack layers you can add or remove throughout the day.

Packing List

Breathable clothingSunscreen (SPF 30+)Sun hatSunglassesComfortable walking shoes

Frequently Asked Questions

Expand all

Is March a good time to visit Vientiane?

March is typically good for visiting Vientiane, with average highs of 33°C (91°F) and around 5 rainy days. Vientiane, Laos in March has hot conditions, with highs reaching 33°C (91°F) and afternoons the warmest part of the day.

Does it rain a lot in Vientiane in March?

Vientiane typically sees around 5 rainy days in March with 29 mm (1.1 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Vientiane in March?

Nights stay pleasantly warm in Vientiane during March, around 22°C (72°F). Light evening wear is sufficient.

What should I pack for Vientiane in March?

With highs of 33°C (91°F) and lows of 22°C (72°F) in March, we recommend: Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses, Comfortable walking shoes. Comfortable walking shoes are essential.

Is March among the best months weather-wise in Vientiane?

March is not the most favourable month weather-wise in Vientiane. Consider visiting during months with milder temperatures or less rainfall for a better experience.

What is the UV index in Vientiane in March?

The average UV index in Vientiane during March is 8 (very high). Strong sun protection is essential — SPF 50+, protective clothing, and avoid prolonged outdoor exposure during peak hours.

How many hours of daylight are there in Vientiane in March?

Vientiane gets approximately 12 hours of daylight per day in March, with around 11 hours of sunshine.

Does it snow in Vientiane in March?

Snow is uncommon in Vientiane during March based on 10-year climate averages.

Last updated: