Weather in Ko Similan, Similan Islands, Thailand in April

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Visiting Ko Similan, Similan Islands, Thailand in April

The weather in April is marginally cooler than the previous month and temperatures continue to drop slightly into May. April has average maximum temperatures of 33°C (91°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 57% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.0 hours of sunshine per day. It is a good time for sunbathing in Ko Similan.

April has total rainfall of 46.9cm (18.5inches) making it quite rainy with occasional strong showers. There are only 14.7 days with some rainfall so you can still enjoy the beach on the many clear days.

Sea temperatures are a very warm 30°C (86°F). April is an excellent month for swimming in Ko Similan with very comfortable temperatures for bathing all day. The sea temperature in April is slightly warmer than the previous month.

April experiences hot and sunny weather, with occasional short showers. The sea remains calm, making it suitable for swimming, sunbathing, snorkeling, and diving. This is the beginning of the shoulder season, so the beach may be less crowded than in previous months. Consider visiting Ko Similan in the months of January, February, March, December, for the best beach weather. Also consider one of our other suggestions for April.

Can you sunbathe in Ko Similan in April?

Yes, April is a good time for sunbathing in Ko Similan.

April has average maximum temperatures of 33°C (91°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 57% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.0 hours of sunshine per day. April has total rainfall of 46.9cm (18.5inches) making it quite rainy with occasional strong showers. There are only 14.7 days with some rainfall so you can still enjoy the beach on the many clear days.

More about April temperature and sunshine.

Can you swim in Ko Similan in April?

Yes, April is an excellent month for swimming in Ko Similan with very warm sea temperatures 30°C (86°F).

More about April sea temperatures.

Is April a good time to holiday in Ko Similan?

Yes, April is a good time for a holiday in Ko Similan.

April has average maximum temperatures of 33°C (91°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 57% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.0 hours of sunshine per day. April has total rainfall of 46.9cm (18.5inches) making it quite rainy with occasional strong showers. There are only 14.7 days with some rainfall so you can still enjoy the beach on the many clear days. It is a good time for sunbathing in Ko Similan. Sea temperatures are a very warm 30°C (86°F). April is an excellent month for swimming in Ko Similan with very comfortable temperatures for bathing all day.

More about the April temperatures and sunshine.

Is Ko Similan warm in April?

Yes, Ko Similan is very hot and perfect for sunbathing on clear days in April.

The average maximum temperature in Ko Similan in April is 33°C (91°F). The average maximum temperature is 33°C (91°) in the previous month and 32°C (89°F) in the next month.

The average temperature in Ko Similan in April is 29°C (83°F). The average temperature is 28°C (83°F) in the previous month and 28°C (83°F) in the next month.

More info about the April temperatures and sunshine.

How sunny is Ko Similan in April?

The average day light hours per day in Ko Similan in April are 12.3. The sunshine percentage is 57% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.0 hours of sunshine per day.

More about April sunshine.

Crowds in Ko Similan in April

April is a popular month for visiting Ko Similan beach as it coincides with the Thai New Year, Songkran. This water festival takes place around April 13-15 and attracts many local and international visitors. The beach can get quite crowded during this time, especially around the Songkran holiday period.

Temperature in Ko Similan in April

The weather in April is marginally cooler than the previous month and temperatures continue to drop slightly into May. The average maximum temperature in Ko Similan in April is 33°C (91°F). The average maximum temperature is 33°C (91°F) in the previous month and 32°C (89°F) in the next month.

The average temperature in Ko Similan in April is 29°C (83°F). The average temperature is 28°C (83°F) in the previous month and 28°C (83°F) in the next month.

The average minimum temperature in Ko Similan in April is 25°C (76°F). The minimum temperature is 24°C (76°F) in the previous month and 25°C (77°F) in the next month.

Sunshine in Ko Similan in April

The days in April are marginally longer than the previous month and the days continue to get marginally longer into May. During April the average day light hours are 12.3 per day in Ko Similan. The sunshine percentage is 57% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.0 hours of sunshine per day.

The ultraviolet index in Ko Similan in April is typically 14.9 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 Similan in April

The average sea water temperature in Ko Similan in April is 30.2°C (86.4°F) which is very warm and ideal for relaxing and swimming for the whole day. The sea temperature in April is slightly warmer than the previous month.

Rainfall in Ko Similan in April

April weather is significantly wetter than the previous month and rainfall continues to rise at a fast pace into May. April has a few more days of rain than the previous month and rainy days continue to rise into May. The average total rainfall in Ko Similan in April is 46.9cm (18.5inches) and on average there are 14.7 rainy days in April making it a pretty wet time to visit the beach.

Humidity in Ko Similan in April

The maximum dew point (an indicator of humidity) in Ko Similan in April is 26°C (78°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 25°C (77°F) in the previous month and 26°C (26°F) in the next month.

The average maximum relative humidity in Ko Similan in April is typically 94.4%. The maximum relative humidity is 93.1% in the previous month and 93.7% in the next month.

The average relative humidity in Ko Similan in April is typically 78.2%. The average relative humidity is 74.6% in the previous month and 79.9% in the next month.

Wind Speed in Ko Similan in April

The average maximum wind speed in Ko Similan in April is typically 21KM/H (13MPH). The average maximum wind speed is 25KM/H (15MPH) in the previous month and 25KM/H (15MPH) in the next month.

The average wind speed in Ko Similan in April is typically 6KM/H (4MPH). The average wind speed is 7KM/H (4MPH) in the previous month and 8KM/H (5MPH) in the next month.

The average wind direction in Ko Similan in April is from the North West.

Monthly Averages

Suggested Beaches in April

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