Beach weather in Ko Samui, Thailand in March

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Visiting Ko Samui, Thailand in March

March is one of the best months to visit Ko Samui for the best beach weather. It has the most sunshine and best sunbathing and swimming conditions of the year.

32°C (89°F) Air Temperature

28°C (83°F) Sea Temperature

6.2 Hrs of Sun / Day

5.0 Days of Rain

March has average maximum temperatures of 32°C (89°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 51.6% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.2 hours of sunshine per day. March has total rainfall of 4.8cm (1.9inches) making it extremely dry with very few light showers and most days are rain free. There are just 5 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days and rainy days are few and far between. Sea temperatures are a very warm 28°C (83°F). March is an excellent month for swimming in Ko Samui with very comfortable temperatures for bathing all day.

Also consider visiting Ko Samui in one of the other best months of January, February, April, for the best beach weather.

Also consider one of our other suggestions for March.

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Can you sunbathe in Ko Samui in March?

Yes, March is a good time for sunbathing in Ko Samui.

More about March temperature and sunshine.

Can you swim in Ko Samui in March?

Yes, March is an excellent month for swimming in Ko Samui with very warm sea temperatures 28°C (83°F).

More about March sea temperatures.

Is March a good time to holiday in Ko Samui?

Yes, March is a great time for a holiday in Ko Samui.

More about the March temperatures and sunshine.

Is Ko Samui warm in March?

Yes, Ko Samui is very hot and perfect for sunbathing on clear days in March.

The average maximum temperature in Ko Samui in March is 32°C (89°F). The average maximum temperature is 31°C (87°) in the previous month and 33°C (91°F) in the next month.

The average temperature in Ko Samui in March is 29°C (84°F). The average temperature is 28°C (83°F) in the previous month and 30°C (85°F) in the next month.

More info about the March temperatures and sunshine.

How sunny is Ko Samui in March?

The average day light hours per day in Ko Samui in March are 12.1. The sunshine percentage is 51.6% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.2 hours of sunshine per day.

More about March sunshine.

Temperature in Ko Samui in March

The average maximum temperature in Ko Samui in March is 32°C (89°F). The average maximum temperature is 31°C (87°F) in the previous month and 33°C (91°F) in the next month.

The average temperature in Ko Samui in March is 29°C (84°F). The average temperature is 28°C (83°F) in the previous month and 30°C (85°F) in the next month.

The average minimum temperature in Ko Samui in March is 27°C (80°F). The minimum temperature is 26°C (79°F) in the previous month and 27°C (81°F) in the next month.

Sunshine in Ko Samui in March

During March the average day light hours are 12.1 per day in Ko Samui. The sunshine percentage is 51.6% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.2 hours of sunshine per day.

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°C (83.1°F) 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 (1.9inches) 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°C (77°F) 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°C (76°F) in the previous month and 26°C (26°F) 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 24KM/H (15MPH). The average maximum wind speed is 24KM/H (15MPH) in the previous month and 22KM/H (13MPH) in the next month.

The average wind speed in Ko Samui in March is typically 14KM/H (9MPH). The average wind speed is 16KM/H (10MPH) in the previous month and 11KM/H (7MPH) in the next month.

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

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