Best time to visit Khao Lak
January is the best time to visit Khao Lak, but anytime during the dry season from December through to March is good.
You can expect cooling sea breezes and average daytime temperatures ranging from 24°C (75°F) to 33°C (91°F).
Khao Lak weather
Khao Lak has a hot tropical climate with a distinct wet and dry season.
What is the best month to visit Khao Lak?
January and February are the best months to visit Khao Lak – the climate is perfect with hot, sunny weather and little to no rainfall.
However, anytime during the dry season from December through March is good.
Which is the hottest month in Khao Lak?
April is the hottest month in Khao Lak with an average maximum high of 33°C (91°F) with very high heat and humidity, and a night-time low of 25°C (77°F).
February through April is usually the hottest time of year in Khao Lak, with an average daily high temperature above 33°C (91°F).
Which is the coolest month in Khao Lak?
The coldest month of the year in Khao Lak is October, with an average low of 24°C (75°F) and high of 30°C (86°F).
The cool season lasts from early-July through to mid-November, with an average daily high temperature below 31°C (87°F).
When is it sunniest in Khao Lak?
The sunniest time of year in Khao Lak is normally February with nine hours of bright sunshine every day – that's on average 78% of daylight hours.
What is the humidity in Khao Lak?
Khao Lak experiences significant seasonal variation in perceived humidity, with approximate average relative humidity calculated at between 67% – 81% over the course of the year.
What do the humidity conditions feel like in Khao Lak?
We derive the humidity comfort level – what conditions feel like – from the dew point temperature, which measures moisture content in the atmosphere: a higher dew point feels more humid, while a lower dew point feels drier.
Meteorologists agree that dew point temperature is a more consistant indication of 'absolute humidity' than relative humidity, which fluctuates with temperature.
The average annual dew point in Khao Lak is 24°C (75°F), and varies over the course of the year from humid at 22°C (71°F) to muggy at 25°C (77°F).
Typically, it's humid all year round – almost every day feels muggy.
When is the sea warmest in Khao Lak?
The sea is usually at its warmest in Khao Lak in April when the water temperature averages 30°C (86°F), which is very pleasant for swimming.
The sea is warm enough to swim year-round in Khao Lak.
Which month has the most rain in Khao Lak?
September is the wettest month in Khao Lak with 384mm (15in) of rainfall on average, distributed across 24 days.
The wet season typically lasts from May through November, with a greater than 40% chance of a given day being a wet day. During this time you can expect frequent but brief heavy downpours interspersed with sunny skies.
Rain falls throughout the year in Khao Lak usually in late afternoon or early evening.
The dry season lasts from December to March, with little to no rainfall and an average daily high temperature above 33°C (91°F). February sees the fewest wet days in Khao Lak.
Which is the windiest month in Khao Lak?
The windiest month of the year in Khao Lak is August, with an average hourly wind speed of 11 kilometres per hour (7 mph; 6 knots).
The windy part of the year lasts from late-May through September, with average wind speeds of more than eight kilometres per hour (5 mph; 4 knots).
The less-windy time of year lasts from October through to late-May. The calmest month of the year in Khao Lak is April, with an average hourly wind speed of six kilometres per hour (3.7 mph; 3.2 knots).
The predominant average hourly wind direction varies throughout the year in Khao Lak.
During the dry season from November through March the wind generally comes from the east, meaning the town is sheltered by its position on the western side of the mountains near the coast.
During the monsoon season from April through October the wind changes direction and comes from the west where it reflects off of the mountains and causes strong winds, waves and storm like conditions in the town.
Khao Lak Weather Averages
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Average high temperature (°C) | |||||||||||
| 32 | 34 | 34 | 33 | 32 | 32 | 31 | 31 | 30 | 30 | 31 | 31 |
| Average low temperature (°C) | |||||||||||
| 23 | 23 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 |
| Average daily sunshine (hrs) | |||||||||||
| 9 | 9 | 9 | 8 | 6 | 5 | 6 | 6 | 5 | 6 | 6 | 8 |
| Average daily daylight (hrs) | |||||||||||
| 12 | 12 | 12 | 12 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 |
| Comfort level – heat | |||||||||||
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| Comfort level – humidity (#muggy days) | |||||||||||
| 29 | 28 | 30 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 30 |
| Average dew point temperature (°C) | |||||||||||
| 23 | 22 | 24 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 23 |
| Average relative humidity (%) | |||||||||||
| 71 | 67 | 68 | 74 | 79 | 77 | 77 | 78 | 80 | 81 | 79 | 75 |
| UV Index (max) | |||||||||||
| 11 | 11+ | 11+ | 11+ | 11+ | 11+ | 11+ | 11+ | 11+ | 11+ | 11 | 10 |
| Average days of rainfall (≥1mm) | |||||||||||
| 4 | 3 | 6 | 11 | 18 | 16 | 17 | 17 | 20 | 20 | 14 | 7 |
| Average monthly rainfall (mm) | |||||||||||
| 28 | 24 | 66 | 131 | 257 | 271 | 270 | 308 | 384 | 319 | 186 | 71 |
| Average wind speed (km/h) | |||||||||||
| 8 | 7 | 7 | 6 | 8 | 10 | 10 | 11 | 10 | 8 | 8 | 9 |
| Average sea temperature (°C) | |||||||||||
| 28 | 29 | 29 | 30 | 30 | 29 | 29 | 29 | 28 | 28 | 29 | 28 |
| Khao Lak, Thailand | |||||||||||
Holiday seasons
High season: November through February.
Low season: May through October, when prices fall and bargains are available.
Source: Meteorological data for Khao Lak is based on weather statistics gathered for the 30-year period 1991 to 2020 by the Thai Meteorological Department at the closest weather station: Phuket International Airport (HKT), located about 80km (50mi) south of Khao Lak. This station is deemed sufficiently nearby to be relied upon as the primary source for historical climate records, although weather conditions in Khao Lak may vary slightly.
Advice on the best time to visit a particular destination is based on average local weather statistics, when the weather conditions are generally better than at other times of the year. We consider high and low temperatures, risk of rain (and thunderstorms, etc.), amount of sunshine and sea temperature. For general outdoor activities we favour clear, rainless days with a temperature range between 18°C (64°F) and 27°C (80°F); and for hot-weather activities we favour clear, rainless days with a temperature range between 24°C (75°F) and 32°C (89°F). Often, the best times to visit correspond to high season and therefore involve higher prices.
Latest update: Best time to visit Khao Lak: 8 February, 2025
Disclaimer: The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data and conditions at any given location and time are unpredictable and variable. We assume no responsibility and can not be held legally responsible for any decisions made on the basis of the information presented on this site.
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