The best times to visit Koh Adang for ideal weather are

December 10th to September 2nd

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 

 


Other Koh Adang Travel Info

Weather in Koh Adang

Temperature

Average temperatures in Koh Adang vary barely at all. Considering humidity, temperatures feel hot all year with a very low chance of rain throughout the year. The area is less temperate than some — in the 32nd 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 Koh Adang, the hottest months are April, March, and then May. See average monthly temperatures below. The warmest time of year is generally early to mid March where highs are regularly around 91.9°F (33.3°C) with temperatures rarely dropping below 78.1°F (25.6°C) at night.

Koh Adang Temperatures (Fahrenheit)

Key
High
Average
Low

Koh Adang Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

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.

Koh Adang Perceived Temperature (F)

Key
High
Average
Low

Koh Adang Perceived Temperature (C)

Key
High
Average
Low

 

Average Koh Adang 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.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 89.5 82.7 77.3
Feb 91.1 83.6 77.2
Mar 90.7 83.6 77.7
Apr 89.6 83.7 78.4
May 88.9 83.6 78.5
Jun 88.8 83.3 78.3
Jul 87.7 82.2 77.3
Aug 87.4 81.9 77.1
Sep 87 81.7 77
Oct 87.5 81.8 77.1
Nov 88.3 82 77.3
Dec 88.3 82.4 77.7

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 31.9 28.2 25.2
Feb 32.8 28.7 25.1
Mar 32.6 28.7 25.4
Apr 32 28.7 25.8
May 31.6 28.7 25.8
Jun 31.6 28.5 25.7
Jul 30.9 27.9 25.2
Aug 30.8 27.7 25.1
Sep 30.6 27.6 25
Oct 30.8 27.7 25.1
Nov 31.3 27.8 25.2
Dec 31.3 28 25.4

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Koh Adang are January, February, 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 January. For example, on the week of January 1st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early November with an average of 2 days of significant precipitation the week of November 5th.

When can you find snow in Koh Adang? 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 Koh Adang.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Koh Adang (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 0% 0 0
Feb 0% 0 0
Mar 0% 0 0
Apr 0% 0 0
May 1% 0 0.3
Jun 1% 0 0.9
Jul 0% 0 0
Aug 0% 0 0
Sep 0% 0 0
Oct 7% 0 0.8
Nov 16% 0 2.6
Dec 2% 0 0.5

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 0 0 0
Feb 0 0 0
Mar 0 0 0
Apr 0 0 0
May 1 0 0.8
Jun 1 0 2.3
Jul 0 0 0
Aug 0 0 0
Sep 0 0 0
Oct 7 0 2
Nov 16 0 6.6
Dec 2 0 1.3

 

Humidity and Wind

Koh Adang has some extremely humid months, and above average humidity throughout the year. The least humid month is February (64.7% relative humidity), and the most humid month is September (81.3%).

Wind in Koh Adang is usually extremely calm. The windiest month is January, followed by February and December. January’s average wind speed of around 5.1 knots (5.9 MPH or 9.5 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late January where average top sustained speeds reach 9.8 knots, which is considered a gentle breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Koh Adang.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

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 5.1 Light breeze 9.2 Gentle breeze
Feb 4.7 Light breeze 8.8 Gentle breeze
Mar 3.9 Barely noticeable 8.2 Gentle breeze
Apr 3.2 Barely noticeable 7.2 Gentle breeze
May 2.9 Barely noticeable 6.7 Gentle breeze
Jun 3.1 Barely noticeable 6.9 Light breeze
Jul 3.1 Barely noticeable 7.1 Gentle breeze
Aug 3.2 Barely noticeable 7.4 Gentle breeze
Sep 3.2 Barely noticeable 7.3 Gentle breeze
Oct 3 Barely noticeable 7.1 Gentle breeze
Nov 3.4 Barely noticeable 7.3 Gentle breeze
Dec 4.7 Light breeze 8.8 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 64.7%
Feb 64.7%
Mar 71%
Apr 77.3%
May 79.4%
Jun 79.2%
Jul 80.1%
Aug 80.6%
Sep 81.3%
Oct 81%
Nov 78.1%
Dec 70.8%

 

Is it Safe to Travel to Koh Adang?

Our best data indicates this area is somewhat safe, but with extra warnings in a few regions. As of Dec 04, 2023 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 Nov 27, 2023.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Koh Adang, 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 Koh Adang 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

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 72.3 in May means 72.3% of the tourists vs. January.

 

 

Overall Koh Adang Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 91.9°F (33.3°C) and 88.5°F (31.4°C) with similar temperatures in the later months. Rain is nonexistent with roughly 0 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 least precipitation with about 0 days of precipitation per month. June – August is the second busiest season for tourism in Koh Adang, so lodging and other accommodations may cost slightly more.

Fall (September through November)

Fall daily highs range from 89.2°F (31.8°C) and 86.5°F (30.3°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 0 to 5 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 Koh Adang to be enjoyable for warm weather travelers. The average high during this season is between 91.5°F (33.1°C) and 87.9°F (31.1°C). On average, it rains or snows a insignificant amount: consistently 0 times per month. These times of year are the busiest with tourists.

 

Best Times to Travel› Thailand › Koh Adang, Thailand