SeasonMapKhao Lak weather in April
Thailand
April in Khao Lak: sweltering, soaked, with muggy air — fine if you can take 21 rainy days.
#5 of 12 months in Khao Lak · #721 of 1383 destinations to visit in April · comfort 78/100 (tier B)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Khao Lak in April
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 — April
| Daytime high | 33°C / 92°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 76°F | |
| Feels like (high) | 40°C / 104°F | |
| Sea temperature | 30°C / 86°F | ♨️ bath-warm |
| Rainfall | 156 mm / 6.1 in | ⛈ soaked |
| Rainy days | 21 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | 25°C / 77°F | |
| Sunshine | 10.4 h/day | |
| Daylight | 12.3 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 53 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Khao Lak in April
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.
Peak crowdsDry season, calm Andaman, Long summer break in Thailand, school holidays in 3 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).
Fair weatherKhao Lak's weather peaks January–March, best around February.
Best weatherFair weatherToughest weather
What's on in Khao Lak in April
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.
- Festival
Songkran
13–15 AprWater-festival New YearClosuresWater fights on the main road and along the beach strip for three days, and a national shutdown around them. Buses to Phuket and Surat Thani book out either side. Source ↗
- 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 April — FAQ
- Is April a good time to visit Khao Lak?
- April in Khao Lak: sweltering, soaked, with muggy air — fine if you can take 21 rainy days. It ranks #5 of 12 months for Khao Lak on SeasonMap's comfort score (78/100).
- What is the weather like in Khao Lak in April?
- In April, Khao Lak averages a daily high of 33.1°C and a low of 24.7°C, with about 155.7 mm of rain over roughly 20.8 rainy days.
- What is the air quality in Khao Lak in April?
- Khao Lak has a mean US Air Quality Index of about 53 in April.
Other months in Khao Lak
Compare Khao Lak in April
Warmer or cooler than Khao Lak in April
Similar destinations in Southeast Asia — April
Within 300 km: Phuket's Songkran on 13–15 Apr, and Krabi's Songkran on 13–15 Apr.