What’s the climate like in Koh Samet?
The current climate of Koh Samet features average monthly temperatures ranging from highs of 34°C during the day to lows of 31°C. The average yearly temperature is around 33°C. At night, temperatures in the colder months average around 22°C and in the warmer months around 27°C.
The highest temperature recorded in Koh Samet in recent years was 42°C in May 2020. The lowest daytime temperature recorded was 24°C in January 2016.
On average, Koh Samet receives 1659 mm of precipitation each year. For comparison, UK gets 701 mm of precipitation annually.
Best time to visit Koh Samet?
The best time to visit Koh Samet for sunny weather is January through April, November and December. During this period, you'll have good temperatures and not too much rain, making it a great time to visit Koh Samet. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
Climate Table of Koh Samet
The climate table of Koh Samet shows the average temperatures, precipitation, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 32 | 31 | 33 | 33 | 34 | 33 | 32 | 32 | 32 | 32 | 32 | 32 |
| Temp. min (°C) | 22 | 24 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 25 | 25 | 23 |
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| Precipitation (mm) | 27 | 37 | 65 | 94 | 179 | 160 | 159 | 215 | 334 | 287 | 88 | 14 |
| UV Index | 8 | 8 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 8 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 33°C
- Highest temperature: 34°C in May
- Lowest temperature: 31°C in February
- Precipitation: 1659 mm per year, averaging 138 mm per month
- Driest months: 14 mm in December, 27 mm in January and 37 mm in February
- Wettest months: 334 mm in September, 287 mm in October and 215 mm in August
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Table of Contents
Average Temperature per Month in Koh Samet
This graph shows the average maximum temperatures per month in Koh Samet, Thailand. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Koh Samet
This graph shows how much precipitation Koh Samet, Thailand, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average UV Index per Month in Koh Samet
This graph shows the average UV index per month in Koh Samet, Thailand. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Koh Samet
This graph shows the average yearly temperature in Koh Samet, Thailand. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Koh Samet
This chart shows the total yearly precipitation in Koh Samet, Thailand, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Weather experiences in Koh Samet
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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.
