Temperatures in May
It's hot in May in Koh Lanta with an average temperature of 33°C. Temperatures this month range from a low of 32°C to a high of 35°C. At night, you can expect temperatures between 24°C and 25°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Koh Lanta 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 Lanta with hot temperatures, averaging around 35°C during the day and nights close to 25°C. Plenty of days with a chance of precipitation. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Mid-May
By mid-May, the average daytime temperature drops to around 34°C, with nights close to 25°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 Lanta will be around 33°C, with nights close to 25°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.
Water temperature
The water temperature at Koh Lanta is 28°C this month. Nice and warm for a swim.
Precipitation in May
In May, there is an average of 282 mm of precipitation, spread over 21 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
The average precipitation chance this month is 67% per day. Though that seems frequent, there are also a few days with lower precipitation chances.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in May for Koh Lanta. 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 Lanta in May |
London | ||
|---|---|---|---|
 Average Temperature |
33°C | 18°C | |
 High Temp |
35°C | 21°C | |
| Low Temp |
32°C | 15°C | |
 Total Precipitation |
282 mm | 46 mm | |
| Rainy Days |
21 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 Lanta?
After some sun? Then May isn’t the best time to be in Koh Lanta. The temperature is pleasant, but there’s too much chance of rain this month.
The typhoon season in Koh Lanta runs from June to November.
Temperature records for Koh Lanta in May
With 38°C, Koh Lanta hit the highest temperature in the last 10 years in May 2016. The lowest daytime temperature in this month was 27°C in 2022. The extreme night temperatures ranged from a low of 22°C to a high of 27°C.
Check out the climate of Koh Lanta for all months and discover the best travel time
Curious about the climate in other parts of Thailand? Check out the weather and climate in places like Bangkok, Chiang Mai, Phuket, or have a look at other destinations in Thailand.
Daily Temperature in May in Koh Lanta
This chart shows the average daily temperatures, both day and night, for each day in May in Koh Lanta, 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.
Weather experiences in May in Koh Lanta
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Although refreshing, rain affects some outdoor activities.... more
Daily Precipitation in May in Koh Lanta
The chart below shows the average daily precipitation in May for Koh Lanta, 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 21 days of rain in Koh Lanta.
Daily UV Index in May in Koh Lanta
This chart shows the average daily UV index in May in Koh Lanta, 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 Lanta Over the Years
This chart shows the average temperature in May in Koh Lanta, measured in degrees Celsius, over the past years.
Total Precipitation in May in Koh Lanta Over the Years
This chart shows the average precipitation in May in Koh Lanta, 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 Lanta
Click on a specific day in May for detailed info on the typical weather on that day in Koh Lanta. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Koh Lanta
The weather in May in Koh Lanta is rated 3 out of 5 stars by 1 visitor. Have you been to Koh Lanta? Share your weather experience to help other visitors.
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Although refreshing, rain affects some outdoor activities.— This text is automatically translated to English
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Average Weather in Koh Lanta by Month
Click on a month below to see detailed weather info for Koh Lanta. 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 Lanta for all months at once
