The best times to visit Ko Lanta for ideal weather are
January 8th to March 4th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Ko Lanta Travel Guide
Other Ko Lanta Travel Info
Weather in Ko Lanta
Average temperatures in Ko Lanta vary barely at all. Considering humidity, temperatures feel hot all year with a chance of rain throughout most of the year. The area is far less temperate than some — in the 6th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Ko Lanta, the hottest months are May, April, and then June. See average monthly temperatures below. The warmest time of year is generally early to mid May where highs are regularly around 92.3°F (33.5°C) with temperatures rarely dropping below 77.9°F (25.5°C) at night.
Ko Lanta Temperatures (Fahrenheit)
Ko Lanta Temperatures (Celsius)
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Ko Lanta Perceived Temperature (F)
Ko Lanta Perceived Temperature (C)
Average Ko Lanta Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Ko Lanta are February, January, and then March. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid January. For example, on the week of January 8th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid September with an average of 4 days of significant precipitation the week of September 10th.
When can you find snow in Ko Lanta? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Ko Lanta.
Snow on the Ground
The graph below shows the average snow on the ground in Ko Lanta (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Ko Lanta has some very humid months, and above average humidity throughout the year. The least humid month is February (65% relative humidity), and the most humid month is October (79%).
Wind in Ko Lanta is usually calm. The windiest month is September, followed by August and July. September’s average wind speed of around 7.3 knots (8.5 MPH or 13.6 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid July where average top sustained speeds reach 14.8 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Ko Lanta.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
|Month||Avg. Wind||Avg. Wind Feel||Sustained High Wind||High Wind Feel|
|Jan||4.1||Light breeze||8||Gentle breeze|
|Feb||3.8||Barely noticeable||7.9||Gentle breeze|
|Mar||3.2||Barely noticeable||7.6||Gentle breeze|
|Apr||3.3||Barely noticeable||8||Gentle breeze|
|May||5.1||Light breeze||10.3||Gentle breeze|
|Jun||6.9||Light breeze||11.9||Significant breeze|
|Jul||6.9||Light breeze||12.2||Gentle breeze|
|Aug||7||Gentle breeze||12.3||Significant breeze|
|Sep||7.3||Gentle breeze||12.9||Gentle breeze|
|Oct||4.6||Light breeze||9.9||Gentle breeze|
|Nov||2.5||Barely noticeable||6.7||Gentle breeze|
|Dec||3.5||Barely noticeable||7.7||Gentle breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Ko Lanta?
Our best data indicates this area is somewhat safe, but with extra warnings in a few regions. As of Oct 07, 2019 there are travel warnings and regional advisories for Thailand; exercise a high degree of caution and avoid some areas. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Aug 22, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Ko Lanta, Thailand is January, followed by August and July. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Ko Lanta in May. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall Ko Lanta Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 92.3°F (33.5°C) and 88.7°F (31.5°C) with similar temperatures in the later months. Rain is somewhat common with 6 to 12 days of significant precipitation per month. Spring is the slowest for tourism, which makes it a good time for those looking for deals.
Summer (June through August)
The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see the most precipitation with 13 to 15 days of precipitation per month. June – August is the second busiest season for tourism in Ko Lanta, so lodging and other accommodations may cost slightly more.
Fall (September through November)
Fall daily highs range from 88.7°F (31.5°C) and 86.4°F (30.2°C), which will feel very nice given the humidity and wind. It rains or snows a good amount: 10 to 14 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.
Winter (December through February)
Weather is perfect this time of year in Ko Lanta to be enjoyable for warm weather travelers. The average high during this season is between 91.4°F (33°C) and 87.6°F (30.9°C). On average, it rains or snows a smalll amount: 1 to 6 times per month. These times of year are the busiest with tourists.