ThailandAverage weather for Koh Samui in April
It's hot in April in Koh Samui with an average temperature of 33°C. Temperatures this month range from a low of 32°C to a high of 34°C. At night, you can expect temperatures between 27°C and 28°C.
Start of April
The month of April starts in Koh Samui with hot temps, averaging around 33°C during the day and nights around 28°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Mid April
By mid-April, daytime temps rise to around 34°C, with nights around 28°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
End of April
By the end of April, the average daytime temperature in Koh Samui is around 34°C, while nighttime temps are about 28°C. A shower might pop up, but overall, the weather will be dry and sunny. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
In April, there is an average of 116 mm of precipitation, spread over 11 days. The wind speed is around 4 Bft, mostly coming from the South.
Koh Samui in April |
New York | ||
|---|---|---|---|
 Average temperature |
33°C | 17°C | |
 Max. temperature |
34°C | 22°C | |
| Min. temperature |
32°C | -5°C | |
 Total precipitation |
116 mm | 81 mm | |
| Rainy days |
11 days | 11 days | |
March
UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is April a good time to visit Koh Samui?
Looking for sun? April isn’t a good month to be in Koh Samui. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 37°C in 2016, Koh Samui reached the highest temperature in April over the past 10 years. The lowest daytime temperature in this month was 27°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 23°C to a highest value of 30°C.
Check out the climate of Koh Samui for all months and discover the best travel time
Daily Temperature in April in Koh Samui
This chart shows the average daily high and low temperatures in April for Koh Samui, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Weather experiences in April in Koh Samui
Okay
It rained frequently, but fortunately there were also sunny ... more
Daily Precipitation in April in Koh Samui
The chart below shows the average daily precipitation in April for Koh Samui, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for April, you can expect about 11 days of precipitation in Koh Samui.
Daily UV index in April in Koh Samui
This chart shows the average daily UV index in April in Koh Samui, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in April in Koh Samui over the years
This chart shows the average temperature in April in Koh Samui, measured in degrees Celsius, over the past few years.
Total precipitation in April in Koh Samui over the years
This chart shows the average precipitation in April in Koh Samui, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in April for Koh Samui
Click on any day in April to get detailed info about the usual weather on that day in Koh Samui. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in April in Koh Samui
The weather in April in Koh Samui is rated an average of 1,5 out of 5 stars by 2 visitors. Have you been to Koh Samui? Share your weather experience to help other visitors.
Write your own review
It rained frequently, but fortunately there were also sunny periods. Most of the time the temperature was around 32 degrees. Ideal for lovers of tropical weather, but a bit wet.— This text is automatically translated to English
Have you been to Koh Samui in April?
Share your weather experience in April in Koh Samui.
Average weather in Koh Samui by month
Click on a month below to see detailed weather info for Koh Samui. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Koh Samui for all months at once
