Weather in Ko Samui, Thailand in April

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

April is a hot and dry time for sunbathing in Ko Samui. April 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 April.

Temperature in Ko Samui in April

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

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

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

Sunshine in Ko Samui in April

The average day light hours per day in Ko Samui in April are 12.3 and there are 6.5 hours of sunshine per day on average during April making it a quite sunny month with some cloud cover.

The ultraviolet index in Ko Samui in April is typically 14.8 during April. 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 April

The average sea water temperature in Ko Samui in April is 29.9° which is very warm and ideal for relaxing and swimming for the whole day.

Rainfall in Ko Samui in April

The average total rainfall in Ko Samui in April is 6.9cm and on average there are 8 rainy days in April making it a dry time to visit the beach.

Humidity in Ko Samui in April

The maximum dew point (an indicator of humidity) in Ko Samui in April is 26° 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 25° in the previous month and 26° in the next month.

The average maximum relative humidity in Ko Samui in April is typically 88.5%. The maximum relative humidity is 87% in the previous month and 87.4% in the next month.

The average relative humidity in Ko Samui in April is typically 73.6%. The average relative humidity is 73.4% in the previous month and 73.1% in the next month.

Wind Speed in Ko Samui in April

The average maximum wind speed in Ko Samui in April is typically 22kmh. 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 April is typically 11kmh. The average wind speed is 14kmh in the previous month and 10kmh in the next month.

The average wind direction in Ko Samui in April is from the East-Southeast.

Monthly Averages

Suggested Beaches in April

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