Khao Lak weather in March
Thailand

March in Khao Lak: sweltering, a little rain, with muggy air — fine if you can take 39°C afternoons.
#3 of 12 months in Khao Lak · #288 of 1383 destinations to visit in March · comfort 86/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Khao Lak in March
Other months in Khao Lak
Khao Lak's forum rates January among the best months of the year — hot, sunny days around 32-34°C, clear blue skies, with rain minimal. Regulars flag online forecasts as unreliable here, routinely showing thunderstorm icons that rarely translate into more than an isolated hour-long shower, and note evenings can turn cool enough for a light cardigan.
Add your own note from Khao Lak's card on the map.
Khao Lak climate normals — March
| Daytime high | 33°C / 92°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 24°C / 75°F | |
| Feels like (high) | 39°C / 102°F | |
| Sea temperature | 30°C / 85°F | ♨️ bath-warm |
| Rainfall | 75 mm / 2.9 in | 🌦 some rain |
| Rainy days | 12 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 10.8 h/day | |
| Daylight | 12.1 h | |
| Wind | 15 km/h / 9 mph | |
| Air quality (US AQI) | 54 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Khao Lak in March
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyDry season, calm Andaman, school holidays in 2 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Khao Lak's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Best weatherKhao Lak's weather peaks January–March, best around February.
March includes Manta and whale shark season.
Best weatherFair weatherToughest weather
What's on in Khao Lak in March
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Nature
Manta and whale shark season
1 Feb – 5 May · usuallyDive seasonThe tail of the dive season at Richelieu Rock and Koh Bon, when the plankton is up and the big animals follow it. Never a sure thing, and the liveaboards sell those weeks first.
- Season
Dry season, calm Andaman
1 Nov – 20 Apr · usuallyCrowdedFlat water, no shore break and the whole coast open for business. This is the northern-European charter season and the beachfront runs at capacity from Christmas to March.
Nearby, and something's on
Within 300 km of Khao Lak — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Khao Lak?
Khao Lak in March — FAQ
- Is March a good time to visit Khao Lak?
- March in Khao Lak: sweltering, a little rain, with muggy air — fine if you can take 39°C afternoons. It ranks #3 of 12 months for Khao Lak on SeasonMap's comfort score (86/100).
- What is the weather like in Khao Lak in March?
- In March, Khao Lak averages a daily high of 33.3°C and a low of 23.8°C, with about 74.5 mm of rain over roughly 12.4 rainy days.
- What is the air quality in Khao Lak in March?
- Khao Lak has a mean US Air Quality Index of about 54 in March.
Other months in Khao Lak
Compare Khao Lak in March
Warmer or cooler than Khao Lak in March
Similar destinations in Southeast Asia — March
Within 300 km: Khao Sok's Rafflesia in bloom around 1 Jan – 15 Mar, and Ko Tao's Whale shark season around 15 Mar – 31 May.