Koh Samet Weather in March
March in Koh Samet sees daytime temperatures around 31°C (88°F) and lows of 27°C (81°F) at night. With around 73 mm (2.9 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Koh Samet in March
The climate data from previous years indicates about 4 days of rain, averaging 73 mm (2.9 in) for the month. Although rain is not especially frequent, individual showers can still be quite heavy.
Temperature in Koh Samet in March
In March, expect very high temperatures in Koh Samet, with highs of 31°C (88°F) and lows of 27°C (81°F) at night. Sunshine and humidity can make it feel even warmer than the raw temperature suggests. Nights are warm at 27°C (81°F), which can make sleeping uncomfortable. Keeping windows open or using a fan can help. A cold shower before bed is also a good way to cool down.
Sunshine in Koh Samet in March
There are approximately 240 hours of sunshine this month, resulting in mostly clear days.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February and December typically offer the best weather for Koh Samet.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Koh Samet's climate page.
Koh Samet Temperature in March
Min Temperature
27°C (81°F)
Max Temperature
31°C (88°F)
Chance of Rain
14%
Precipitation
73 mm (2.9 in)
Rainy days
4 days
Humidity
77% *
Sunshine
240 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Koh Samet typically stay consistent throughout March, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in March
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather for Koh Samet in March
Browse day-by-day weather records for Koh Samet spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Koh Samet historical weather extremes in March
Our historical data for Koh Samet spans 1976 to 2026, revealing these weather extremes.
- On March 9, 1998, temperatures climbed to 37°C (99°F), marking the warmest March day on record.
- The coldest March day was on March 29, 2011, with a maximum of 24°C (75°F).
- Koh Samet registered its coldest March night on March 23, 1976, with temperatures dropping to 16°C (61°F).
Best Places in Thailand in March
Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in March →
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What to Wear in Koh Samet in March
Warm but pleasant conditions in Koh Samet in March. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Wet weather is likely, so pack waterproof gear for multiple rainy days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Koh Samet in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Koh Samet's climate page.
Temperature Rainfall Sunshine Humidity
See the full Koh Samet climate overview or explore weather in Thailand.
