Temperatures in May
It's hot in May in Koh Samet with an average temperature of 34°C. Temperatures this month range from a low of 33°C to a high of 35°C. At night, you can expect temperatures between 25°C and 28°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Koh Samet in May. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of May
The month of May starts in Koh Samet with hot temperatures, averaging around 34°C during the day and nights close to 28°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Mid-May
By mid-May, the average daytime temperature stays the same at 34°C, with nights close to 28°C. The chance of precipitation is high during this period. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
End of May
By the end of May, the average daytime temperature in Koh Samet will be around 34°C, with nights close to 28°C. There’s a significant chance of many days with precipitation. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Discover cheap holidays to Koh Samet 
Water temperature
The water temperature at Koh Samet is 32°C this month. It’s really warm, perfect for a swim.
Precipitation in May
In May, there is an average of 179 mm of precipitation, spread over 16 days. The wind speed is around 3 Bft, mostly coming from the South.
Across the whole month, the average precipitation chance is 51% per day.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in May for Koh Samet. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Koh Samet in May |
UK | ||
|---|---|---|---|
 Average Temperature |
34°C | 18°C | |
 High Temp |
35°C | 21°C | |
| Low Temp |
33°C | 15°C | |
 Total Precipitation |
179 mm | 46 mm | |
| Rainy Days |
16 days | 8 days | |
April
UV index
The UV index is a maximum of 9 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 May a good time to visit Koh Samet?
After some sun? Then May isn’t the best time to be in Koh Samet. The temperature is pleasant, but there’s too much chance of rain this month.
The typhoon season in Koh Samet runs from June to November.
Temperature records for Koh Samet in May
With 42°C, Koh Samet hit the highest temperature in the last 10 years in May 2020. The lowest daytime temperature in this month was 29°C in 2017. The extreme night temperatures ranged from a low of 2°C to a high of 31°C.
Check out the climate of Koh Samet for all months and discover the best travel time
Plan your next holiday
Don’t miss the best holiday deals for Koh Samet and see what our partners have for you.
Daily Temperature in May in Koh Samet
This chart shows the average daily temperatures, both day and night, for each day in May in Koh Samet, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in May in Koh Samet
The chart below shows the average daily precipitation in May for Koh Samet, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown 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 rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for May, you can expect around 16 days of rain in Koh Samet.
Daily UV Index in May in Koh Samet
This chart shows the average daily UV index in May in Koh Samet, 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 May in Koh Samet Over the Years
This chart shows the average temperature in May in Koh Samet, measured in degrees Celsius, over the past years.
Total Precipitation in May in Koh Samet Over the Years
This chart shows the average precipitation in May in Koh Samet, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in May for Koh Samet
Click on a specific day in May for detailed info on the typical weather on that day in Koh Samet. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Koh Samet
Have you been to Koh Samet in May?
Share your weather experience in May in Koh Samet.
Average Weather in Koh Samet by Month
Click on a month below to see detailed weather info for Koh Samet. 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 Samet for all months at once
