The best times to visit Ko Chang for ideal weather are
December 3rd to January 21st
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Ko Chang Travel Guide
Weather in Ko Chang
Average temperatures in Ko Chang vary very little. 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 Chang, the hottest months are May, April, and then June. See average monthly temperatures below. The warmest time of year is generally mid April where highs are regularly around 91.6°F (33.1°C) with temperatures rarely dropping below 76.8°F (24.9°C) at night.
Ko Chang Temperatures (Fahrenheit)
Ko Chang 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 Chang Perceived Temperature (F)
Ko Chang Perceived Temperature (C)
Average Ko Chang 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 Chang are December, January, and then February. 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 6 days of significant precipitation the week of September 10th.
When can you find snow in Ko Chang? 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.
The graph below shows the % chance of rainy and snowy days in Ko Chang.
Snow on the Ground
The graph below shows the average snow on the ground in Ko Chang (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 Chang has some extremely humid months, and above average humidity throughout the year. The least humid month is January (64.3% relative humidity), and the most humid month is September (86%).
Wind in Ko Chang is usually extremely calm. The windiest month is January, followed by July and December. January’s average wind speed of around 1.5 knots (1.7 MPH or 2.8 KPH) is considered “light air.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid August where average top sustained speeds reach 5.9 knots, which is considered a light breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Ko Chang.
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||1.5||Barely noticeable||5.1||Light breeze|
|Feb||1.2||Barely noticeable||4.5||Light breeze|
|Mar||1.3||Barely noticeable||4.8||Light breeze|
|Apr||1.1||Barely noticeable||4.6||Light breeze|
|May||1||Barely noticeable||4.1||Light breeze|
|Jun||1.2||Barely noticeable||5.2||Light breeze|
|Jul||1.4||Barely noticeable||5.3||Light breeze|
|Aug||1.3||Barely noticeable||5||Light breeze|
|Sep||1||Barely noticeable||4.2||Light breeze|
|Oct||1||Barely noticeable||3.9||Barely noticeable|
|Nov||1.2||Barely noticeable||4.2||Light breeze|
|Dec||1.4||Barely noticeable||4.6||Light breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Ko Chang?
Our best data indicates this area is somewhat safe, but with extra warnings in a few regions. As of Mar 17, 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 Mar 13, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Ko Chang, Thailand is December, followed by May and January. 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 Chang in September. 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 Chang Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 91.6°F (33.1°C) and 89.2°F (31.8°C) with similar temperatures in the later months. Rain is very common with 6 to 16 days of significant precipitation per month. Spring is fairly slow 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 about 19 days of precipitation per month. June – August is the second busiest season for tourism in Ko Chang, so lodging and other accommodations may cost slightly more.
Fall (September through November)
Fall daily highs range from 91.4°F (33°C) and 86.3°F (30.2°C), which will feel very nice given the humidity and wind. It rains or snows a great amount: 6 to 21 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.
Winter (December through February)
Weather is perfect this time of year in Ko Chang to be enjoyable for warm weather travelers. The average high during this season is between 90.6°F (32.6°C) and 88.8°F (31.6°C). On average, it rains or snows a smalll amount: 1 to 4 times per month. These times of year are the busiest with tourists.