Weather in Similan Islands, Thailand in May

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Visiting Similan Islands, Thailand in May

The weather in May is marginally cooler than the previous month and temperatures continue to drop slightly into June. May 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% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.4 hours of sunshine per day. It is a good time for sunbathing in Similan Islands.

May has total rainfall of 71.6cm (28.2inches) making it rainy with frequent heavy tropical showers. There are 18 days with some rainfall so you can still enjoy the beach on the clear days.

Sea temperatures are a very warm 30°C (85°F). May is an excellent month for swimming in Similan Islands with very comfortable temperatures for bathing all day. The sea temperature in May is slightly cooler than the previous month.

Consider visiting Similan Islands in the months of January, February, March, December, for the best beach weather. Also consider one of our other suggestions for May.

Can you sunbathe in Similan Islands in May?

Yes, May is a good time for sunbathing in Similan Islands.

May 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% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.4 hours of sunshine per day. May has total rainfall of 71.6cm (28.2inches) making it rainy with frequent heavy tropical showers. There are 18 days with some rainfall so you can still enjoy the beach on the clear days.

More about May temperature and sunshine.

Can you swim in Similan Islands in May?

Yes, May is an excellent month for swimming in Similan Islands with very warm sea temperatures 30°C (85°F).

More about May sea temperatures.

Is May a good time to holiday in Similan Islands?

Yes, May is a good time for a holiday in Similan Islands.

May 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% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.4 hours of sunshine per day. May has total rainfall of 71.6cm (28.2inches) making it rainy with frequent heavy tropical showers. There are 18 days with some rainfall so you can still enjoy the beach on the clear days. It is a good time for sunbathing in Similan Islands. Sea temperatures are a very warm 30°C (85°F). May is an excellent month for swimming in Similan Islands with very comfortable temperatures for bathing all day.

More about the May temperatures and sunshine.

Is Similan Islands warm in May?

Yes, Similan Islands is very hot and perfect for sunbathing on clear days in May.

The average maximum temperature in Similan Islands in May is 32°C (89°F). The average maximum temperature is 33°C (91°) in the previous month and 31°C (88°F) in the next month.

The average temperature in Similan Islands in May is 28°C (83°F). The average temperature is 29°C (83°F) in the previous month and 28°C (82°F) in the next month.

More info about the May temperatures and sunshine.

How sunny is Similan Islands in May?

The average day light hours per day in Similan Islands in May are 12.5. The sunshine percentage is 51% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.4 hours of sunshine per day.

More about May sunshine.

Temperature in Similan Islands in May

The weather in May is marginally cooler than the previous month and temperatures continue to drop slightly into June. The average maximum temperature in Similan Islands in May is 32°C (89°F). The average maximum temperature is 33°C (91°F) in the previous month and 31°C (88°F) in the next month.

The average temperature in Similan Islands in May is 28°C (83°F). The average temperature is 29°C (83°F) in the previous month and 28°C (82°F) in the next month.

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

Sunshine in Similan Islands in May

The days in May are marginally longer than the previous month and the days continue to get marginally longer into June. May has slightly less hours of sunshine than the previous month. During May the average day light hours are 12.5 per day in Similan Islands. The sunshine percentage is 51% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.4 hours of sunshine per day.

The ultraviolet index in Similan Islands in May is typically 13.7 during May. 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 Similan Islands in May

The average sea water temperature in Similan Islands in May is 29.6°C (85.3°F) which is very warm and ideal for relaxing and swimming for the whole day. The sea temperature in May is slightly cooler than the previous month.

Rainfall in Similan Islands in May

May weather is significantly wetter than the previous month and rainfall continues to rise quickly into June. May has a few more days of rain than the previous month. The average total rainfall in Similan Islands in May is 71.6cm (28.2inches) and on average there are 18 rainy days in May making it a wet time to visit the beach.

Humidity in Similan Islands in May

The maximum dew point (an indicator of humidity) in Similan Islands in May 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 26°C (78°F) in the previous month and 26°C (26°F) in the next month.

The average maximum relative humidity in Similan Islands in May is typically 93.7%. The maximum relative humidity is 94.4% in the previous month and 92.7% in the next month.

The average relative humidity in Similan Islands in May is typically 79.9%. The average relative humidity is 78.2% in the previous month and 79.8% in the next month.

Wind Speed in Similan Islands in May

The average maximum wind speed in Similan Islands in May is typically 25KM/H (15MPH). The average maximum wind speed is 21KM/H (13MPH) in the previous month and 29KM/H (18MPH) in the next month.

The average wind speed in Similan Islands in May is typically 8KM/H (5MPH). The average wind speed is 6KM/H (4MPH) in the previous month and 10KM/H (6MPH) in the next month.

The average wind direction in Similan Islands in May is from the West.

Monthly Averages

Suggested Beaches in May

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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.