Weather in Ko Samui, Thailand in March

So you're interested in going to Ko Samui, Thailand in March

March is a hot and very dry time for sunbathing in Ko Samui. March is an excellent month for swimming in Ko Samui with very warm sea temperatures. Consider visiting Ko Samui in the months of January, February, March, April, for the best beach weather. Also consider one of our other suggestions for March.

Temperature in Ko Samui in March

The average maximum temperature in Ko Samui in March is 32°. The average maximum temperature is 31° in the previous month and 33° in the next month.

The average temperature in Ko Samui in March is 29°. The average temperature ranges is 28° in the previous month and 30° in the next month.

The average minimum temperature in Ko Samui in March is 27°. The minimum temperature is 26° in the previous month and 27° in the next month.

Sunshine in Ko Samui in March

The average day light hours per day in Ko Samui in March are 12.1 and there are 6.2 hours of sunshine per day on average during March making it a quite sunny month with some cloud cover.

The ultraviolet index in Ko Samui in March is typically 14.8 during March. An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Ko Samui in March

The average sea water temperature in Ko Samui in March is 28.4° which is very warm and ideal for relaxing and swimming for the whole day.

Rainfall in Ko Samui in March

The average total rainfall in Ko Samui in March is 4.8cm and on average there are 5 rainy days in March making it a very dry time to visit the beach.

Humidity in Ko Samui in March

The maximum dew point (an indicator of humidity) in Ko Samui in March is 25° which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning. The dew point is 24° in the previous month and 26° in the next month.

The average maximum relative humidity in Ko Samui in March is typically 87%. The maximum relative humidity is 86.1% in the previous month and 88.5% in the next month.

The average relative humidity in Ko Samui in March is typically 73.4%. The average relative humidity is 73.6% in the previous month and 73.6% in the next month.

Wind Speed in Ko Samui in March

The average maximum wind speed in Ko Samui in March is typically 24kmh. The average maximum wind speed is 24kmh in the previous month and 22kmh in the next month.

The average wind speed in Ko Samui in March is typically 14kmh. The average wind speed is 16kmh in the previous month and 11kmh in the next month.

The average wind direction in Ko Samui in March is from the South East.

Monthly Averages

Suggested Beaches in March

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