Weather in Luang Prabang in March

Laos · 20-year averages, March

A hard month. March asks something of you. Go in knowing what. Daytime highs average 34.7 °C and the afternoon is not negotiable — outdoor plans move to early morning or evening.

March ranks 6 of 12 in Luang Prabang: past the worst of the year but short of December, which is the month to book if the dates are open.

Rain falls on only 5 days, so an itinerary with no wet-weather fallback is a reasonable risk. Pack for heat management rather than style: shade, water, and a schedule that gives up on the middle of the day.

What the averages hide

Averages flatten a month, and this one hides a few things: 16 days clear 35 °C, so a serious heatwave is normal rather than notable. Across the twenty years measured, the hottest March day reached 40.7 °C and the coldest night fell to 10.1 °C, and the wettest single day dropped 42 mm — roughly 135% of the month's rain in one day.

This is the volatile part. March rainfall has ranged from 1 mm to 112 mm across the twenty years measured — a 111 mm spread around an average of 31 mm. The average is real but almost no individual March looks like it, so treat the figure as the middle of a wide range rather than a forecast.

Wind is light at 1 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 56%.

How March sits in the year

Temperatures hold steady either side: 32.2 °C in February, 34.7 here, 36.2 in April. Nothing about the timing within the month matters much. Rain is the thing that moves: April brings 6 days more of it, so the earlier half of a flexible trip is the safer half.

Daylight in March

12 hours of daylight, gaining 0.6 hours across the month. That is between Luang Prabang's extremes of 13.3 and 10.9 hours, so days are long enough not to constrain the plan.

An inland climate

Despite being inland, the year stays fairly even: 20.7 °C between the year's warmest afternoons and coldest nights.

How busy it gets

Quiet. Few other visitors, cheaper rooms, and a real chance some seasonal operators are shut.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

March in Luang Prabang versus nearby

If Luang Prabang is one option among several, the nearby comparison is worth making. Udon Thani is close enough to be a coin toss — within a degree on temperature, 2 days more rain. Sa Pa is a better bet in March — 12.9 °C cooler, 4 days more rain.

So: March is a compromise. December is 42 points better and is what Luang Prabang is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.

Every month in Luang Prabang

MonthHigh °CLow °CRain daysRain mmHumidity %Daylight hScore
January29.315.7 214651186
February32.218 165811.575
March34.720.8 531561248
April36.223.5 11616112.640
May35.424.5 181217013.129
June34.224.8 181167613.335
July32.624.4 242198213.238
August32.124.3 242348412.838
September32.423.8 191278112.340
October32.422 10557511.758
November30.818.7 5237011.275
December28.515.5 2126810.990

See all twelve months in Luang Prabang, or where else to go in March.

Planning the rest of the trip

Built and maintained by Amit Sharma, Auckland, New Zealand. I build these sites so the answer is free and the data is public.

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