Khao Lak weather by month
Thailand

The best time to visit Khao Lak is January to March — 91/100 in February, 33°C and 9 rainy days. The best season is the dry season, December to April (85/100 on average).
The worst month is September at 55/100 — sweltering, soaked, clean air. See September →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Thailand →
Khao Lak, month by month
Comfort score out of 100 for the kind of trip Khao Lak is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
| Month | Score | Tier | High | Rain | Sun | Crowds | On |
|---|---|---|---|---|---|---|---|
| JanJanuary | 88 | A | 32°C | 12 d | 10 h | Busy | 1 |
| FebFebruary | 91 | S | 33°C | 9 d | 11 h | Busy | 2 |
| MarMarch | 86 | A | 33°C | 12 d | 11 h | Busy | 2 |
| AprApril | 78 | B | 33°C | 21 d | 10 h | Peak | 3 |
| MayMay | 61 | C | 32°C | 27 d | 9 h | Busy | 3 |
| JunJune | 65 | C | 32°C | 25 d | 9 h | Shoulder | 2 |
| JulJuly | 63 | C | 31°C | 25 d | 9 h | Shoulder | 2 |
| AugAugust | 60 | C | 31°C | 25 d | 9 h | Quiet | 2 |
| SepSeptember | 55 | D | 31°C | 26 d | 8 h | Quiet | 2 |
| OctOctober | 56 | D | 31°C | 28 d | 8 h | Busy | 2 |
| NovNovember | 68 | C | 31°C | 24 d | 8 h | Busy | 2 |
| DecDecember | 83 | A | 32°C | 15 d | 9 h | Busy | 1 |
What's on in Khao Lak through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
- February
- Manta and whale shark season1 Feb – 5 May (usually)Nature
- April
- Songkran13–15 AprFestival
- May
- Southwest monsoon and red flags15 May – 31 Oct (usually)Season
- Similan and Surin islands closed16 May – 14 OctClosure
- November
- Loy Krathong5–30 Nov (usually)Festival
- Dry season, calm Andaman1 Nov – 20 Apr (usually)Season
Crowds in Khao Lak in February
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