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ThailandThe weather in April in Koh Samui
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.
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.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in April for Koh Samui, Thailand. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
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.
Rainfall amount
In April, there is an average of 116 mm of precipitation, spread over 12 days. The wind speed is around 4 Bft, mostly coming from the South.
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.
April weather comparison
| Koh Samui | New York | |
|---|---|---|
| Average temperature | 33°C | 17°C |
| Max. temperature | 34°C | 22°C |
| Min. temperature | 27°C | -5°C |
| Total precipitation | 116 mm | 81 mm |
| Rainy days | 12 days | 11 days |
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.
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.
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.
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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.
Check out the climate of Koh Samui for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in April in Koh Samui, Thailand. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in April in Koh Samui
Temperature in April in Koh Samui over the years
Precipitation charts
These charts show the average amount of precipitation in April in Koh Samui, Thailand. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in April in Koh Samui
Total precipitation in April in Koh Samui over the years
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.
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
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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.