Beach town in Phang Nga, Thailand
Khao Lak weather by month and the best time to visit
When to go to Khao Lak
Nov–Apr is dry with calm seas; the Similan Islands dive season runs roughly mid-Oct to mid-May. May–Oct brings heavy rain and rough surf.
Khao Lak weather by month
Average daily high, rainfall and conditions.
- Jan29°80 mm
- Feb31°29 mm
- Mar31°119 mm
- Apr31°153 mm
- May29°306 mm
- Jun29°328 mm
- Jul28°315 mm
- Aug28°360 mm
- Sep28°406 mm
- Oct28°372 mm
- Nov29°219 mm
- Dec29°128 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 29°C85°F | 25°C76°F | 80 mm | 79% | Pleasant |
| February | 31°C87°F | 25°C77°F | 29 mm | 74% | Pleasant |
| March | 31°C88°F | 26°C79°F | 119 mm | 75% | Hot & humid |
| April | 31°C87°F | 27°C80°F | 153 mm | 78% | Pleasant |
| May | 29°C85°F | 27°C81°F | 306 mm | 83% | Very wet |
| June | 29°C84°F | 27°C80°F | 328 mm | 84% | Very wet |
| July | 28°C83°F | 26°C80°F | 315 mm | 84% | Very wet |
| August | 28°C83°F | 26°C79°F | 360 mm | 84% | Very wet |
| September | 28°C83°F | 26°C79°F | 406 mm | 85% | Very wet |
| October | 28°C83°F | 26°C78°F | 372 mm | 85% | Very wet |
| November | 29°C84°F | 26°C78°F | 219 mm | 84% | Rainy |
| December | 29°C84°F | 25°C77°F | 128 mm | 81% | Pleasant |
Best months across Thailand
| Place | Best months | Warmest month |
|---|---|---|
| Bangkok | Nov–Feb | Mar (36°C) |
| Phuket | Nov–Mar | Mar (30°C) |
| Chiang Mai | Nov–Jan | Apr (37°C) |
| Koh Samui | Jan–Apr, Jul–Aug | May (30°C) |
| Krabi | Nov–Mar | Mar (31°C) |
| Koh Phi Phi | Nov–Mar | Apr (30°C) |
| Koh Phangan | Jan–Apr, Jul–Aug | May (27°C) |
| Pai | Nov–Feb | Apr (35°C) |
| Pattaya | Nov–Feb | Apr (31°C) |
| Koh Tao | Feb–Aug | May (29°C) |
| Patong | Nov–Apr | Mar (30°C) |
| Hua Hin | Nov–Mar | Apr (33°C) |
| Chiang Rai | Nov–Feb | Apr (35°C) |
| Ayutthaya | Nov–Feb | Mar (37°C) |
| Koh Lanta | Nov–Apr | Apr (29°C) |
| Railay | Nov–Mar | Mar (31°C) |
| Kanchanaburi | Nov–Feb | Apr (37°C) |
| Koh Chang | Nov–Feb | Apr (30°C) |
| Khao Lak | Nov–Mar | Mar (31°C) |
| Koh Samet | Nov–Mar | Apr (30°C) |
| Koh Lipe | Nov–Mar | Apr (30°C) |
| Khao Yai | Nov–Feb | Apr (34°C) |
| Khao Sok | Dec–Apr | Apr (32°C) |
| Sukhothai | Nov–Feb | Apr (38°C) |
| Hat Yai | Jan–Apr | Apr (31°C) |
| Kata Beach | Nov–Mar | Mar (30°C) |
| Jomtien | Nov–Feb | Apr (31°C) |
| Rawai | Nov–Mar | Mar (30°C) |
| Udon Thani | Nov–Feb | Apr (37°C) |
| Koh Kood | Nov–Mar | May (30°C) |
Quick answers
What is the best month to visit Khao Lak?
Nov–Mar. Nov–Apr is dry with calm seas; the Similan Islands dive season runs roughly mid-Oct to mid-May. May–Oct brings heavy rain and rough surf.
When is the rainy season in Khao Lak?
Rain peaks in September with about 406 mm. Months with 150 mm or more: Apr–Nov.
What is the hottest month in Khao Lak?
March, with average highs of 31°C (88°F).
How cold does Khao Lak get?
The coolest nights are in January, averaging 25°C (76°F).
More about Khao Lak
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Sources
- NASA POWER climatology (2001–2020)
- Tourism Authority of Thailand: Phang Nga
- Phuket International Airport (Airports of Thailand)
- Bangkok Hospital Phuket
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.