Koh Seh climate and temperatures

The climate of Koh Seh is a tropical monsoon climate (Köppen: Am), characterized by a very wet season and a short dry period. Monthly temperatures range from a minimum of 30°C in January to a maximum of 33°C in April. The average annual temperature is around 32°C.
During the colder months, nighttime temperatures average around 23°C, while in the warmer months they average about 26°C.
Climate table of Koh Seh
The climate table below gives you a clear overview of the climate in Koh Seh by month, from average temperatures and rainfall to UV levels. This makes it easy to see when the weather best suits your travel plans.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp. max (°C) | 14 | 16 | 17 | 19 | 23 | 27 | 30 | 30 | 27 | 23 | 18 | 16 |
| Temp. min (°C) | 6 | 7 | 9 | 11 | 15 | 19 | 22 | 22 | 19 | 15 | 10 | 7 |
| Rainfall | ||||||||||||
| Rainfall (mm) | 46 | 34 | 46 | 64 | 43 | 23 | 22 | 75 | 77 | 84 | 61 | 25 |
| UV index | 4 | 5 | 6 | 7 | 8 | 8 | 8 | 8 | 6 | 5 | 4 | 4 |
Best time to visit Koh Seh
The best time to visit Koh Seh is January. During this period, temperatures are usually pleasant to warm and there is relatively little rainfall. Especially in January, the climate is favorable, with an average high temperature of 30°C and around 39 mm of rainfall. For a sun or beach holiday, February are the most suitable months. It is often warm to hot and relatively dry during this time. The warmest month is April, with an average daytime temperature of around 33°C. The driest month is February, with about 30 mm of rainfall, while September is usually the wettest month of the year, with approximately 538 mm. Snow plays virtually no role in the climate here.
Average temperature per month
This chart shows the average daytime (maximum) and nighttime (minimum) temperatures per month in Koh Seh. The figures are based on climate data from recent years and are presented in degrees Celsius, so you can clearly see the temperature range for each month.
Average rainfall per month
This chart shows the average monthly rainfall in Koh Seh. The figures are based on long-term climate data and are displayed in millimeters, so you can immediately see which months are drier or wetter.
Average UV index per month
This chart shows the average monthly sun intensity in Koh Seh. The UV index ranges from 0 (no UV radiation) to 11+ (extreme). A higher UV index means you can burn more quickly, making proper sun protection increasingly important.
Average annual temperature
This chart shows the average annual temperature in Koh Seh based on data from the past ten years. It allows you to see at a glance how the climate is evolving and whether there are clear warming trends.
Average annual rainfall
This chart shows the average annual rainfall in Koh Seh over the past ten years. It allows you to see at a glance how much rain falls each year and whether there are clear fluctuations between the years.
Weather experiences in Koh Seh
The weather in Koh Seh is rated an average of 4.3 out of 5 stars by 8 visitors. Have you been to Koh Seh? Share your experience with the weather to help other visitors plan their trip.
Average weather per month
Click on a month below and discover what the weather in Koh Seh is typically like. For each period, you can instantly see the average temperature, rainfall, wind, and UV index. Thanks to years of historical weather data, you’ll know exactly what to expect during your trip.