Surat Thani
Thailand
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Surat Thani, Thailand

The best months for a swim in Surat Thani, Thailand, are February and March, with a perfect temperature - varying between 25°C (77°F) and 29°C (84.2°F), and scarce rainfall.
January is a tropical winter month in Surat Thani, Thailand, with average temperature fluctuating between 31.1°C (88°F) and 21.1°C (70°F). In Surat Thani, Thailand, the average high-temperature is relatively the same as in December - a hot 31.1°C (88°F). Weather in January »

The last month of the winter, February, is another hot month in Surat Thani, Thailand, with average temperature fluctuating between 21.1°C (70°F) and 32.6°C (90.7°F). The perfect water temperature of 28°C (82.4°F) with 12.3mm (0.5") of accumulated rainfall and only 2 rainfall days, makes February a great period for swimming and other water activities. Weather in February »

March, the first month of the spring, in Surat Thani, is still a tropical month, with temperature in the range of an average low of 21.9°C (71.4°F) and an average high of 34.2°C (93.6°F). The ideal sea water temperature of 29°C (84.2°F) and only 3 rainfall days, with 24mm (0.9") of accumulated rainfall, makes March the best time for swimming and other water activities. Weather in March »

April in Surat Thani, Thailand, is a torrid spring month, with average temperature varying between 23.4°C (74.1°F) and 35°C (95°F). The warmest month is April, with an average high-temperature of 35°C (95°F) and an average low-temperature of 23.4°C (74.1°F). In April, the average heat index is evaluated at a burning hot 54.6°C (130.3°F). Weather in April »

The last month of the spring, May, is also a hot month in Surat Thani, Thailand, with temperature in the range of an average high of 34°C (93.2°F) and an average low of 23.8°C (74.8°F). In May, the average high-temperature is essentially the same as in April - a hot 34°C (93.2°F). Weather in May »

The first month of the summer, June, is also a hot month in Surat Thani, Thailand, with average temperature ranging between max 33.4°C (92.1°F) and min 23.7°C (74.7°F). In June, the average high-temperature is relatively the same as in May - a still tropical 33.4°C (92.1°F). Weather in June »

July, like June, is another tropical summer month in Surat Thani, Thailand, with temperature in the range of an average low of 23.3°C (73.9°F) and an average high of 32.9°C (91.2°F). In July, the average high-temperature is essentially the same as in June - a still tropical 32.9°C (91.2°F). Weather in July »

The last month of the summer, August, is another tropical month in Surat Thani, Thailand, with temperature in the range of an average low of 23.4°C (74.1°F) and an average high of 32.7°C (90.9°F). In August, the average high-temperature is essentially the same as in July - a still tropical 32.7°C (90.9°F). Weather in August »

The first month of the autumn, September, is also a hot month in Surat Thani, Thailand, with temperature in the range of an average high of 32.4°C (90.3°F) and an average low of 23.2°C (73.8°F). In September, the average high-temperature is practically the same as in August - a still tropical 32.4°C (90.3°F). Weather in September »

October, the same as September, in Surat Thani, Thailand, is another hot autumn month, with average temperature varying between 31.6°C (88.9°F) and 23.1°C (73.6°F). In October, the average high-temperature is almost the same as in September - a still hot 31.6°C (88.9°F). Weather in October »

The last month of the autumn, November, is another tropical month in Surat Thani, Thailand, with temperature in the range of an average high of 30.3°C (86.5°F) and an average low of 22.9°C (73.2°F). In Surat Thani, the average high-temperature is relatively the same as in October - a still tropical 30.3°C (86.5°F). Weather in November »

The first month of the winter, December, is also a moderately hot month in Surat Thani, Thailand, with average temperature ranging between min 22°C (71.6°F) and max 29.9°C (85.8°F). December is the coldest month, with an average high-temperature of 29.9°C (85.8°F) and an average low-temperature of 22°C (71.6°F). The average heat index is evaluated at a torrid 38.5°C (101.3°F). Weather in December »

How many days does it rain in Surat Thani?

In Surat Thani, Thailand, during the entire year, the rain falls for 159 days and collects up to 1622mm (63.9") of precipitation.

What are the months with the coldest sea water in Surat Thani?

January, February and December, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater.

What is the driest month in Surat Thani?

February is the month with the least rainfall in Surat Thani. Rain falls for 2 days and accumulates 12.3mm (0.5") of precipitation.

What are the months with the most sunshine in Surat Thani?

Months with the most sunshine in Surat Thani, Thailand, are February and March, with an average of 9h of sunshine.

What is the month with the highest UV index in Surat Thani?

Months with the highest UV index in Surat Thani are February through October, with an average maximum UV index of 12.

What is the least humid month in Surat Thani?

With an average relative humidity of 75%, March is the least humid month in Surat Thani, Thailand.

What is the warmest month in Surat Thani?

With an average high-temperature of 35°C (95°F) and an average low-temperature of 23.4°C (74.1°F), April is the warmest month.

When is the sea warmest in Surat Thani?

April through June, with an average sea temperature of 30°C (86°F), are months with the warmest seawater in Surat Thani, Thailand.

When are the longest days in Surat Thani?

With an average of 12.7h of daylight, June has the longest days of the year in Surat Thani, Thailand.

What are the most humid months in Surat Thani?

Months with the highest humidity in Surat Thani, Thailand, are October and November, with an average relative humidity of 87%.

What is the wettest month in Surat Thani?

The month with the most rainfall is November when the rain falls for 19 days and typically aggregates up to 329.9mm (13") of precipitation.

What is the month with the least sunshine in Surat Thani?

With an average of 5h of sunshine, November has the least sunshine of the year in Surat Thani.

What is the coldest month in Surat Thani?

The coldest month is December, with an average high-temperature of 29.9°C (85.8°F) and an average low-temperature of 22°C (71.6°F).

What is the month with the shortest days in Surat Thani?

December has the shortest days of the year in Surat Thani, Thailand, with an average of 11.6h of daylight.

When is the lowest UV index in Surat Thani?

With an average maximum UV index of 10, December is the month with the lowest UV index.
Average temperature - Surat Thani, Thailand
Average humidity - Surat Thani, Thailand
Average rainfall - Surat Thani, Thailand

The wettest month (with the highest rainfall) is November (329.9mm).
The driest month (with the lowest rainfall) is February (12.3mm).

Average rainfall days - Surat Thani, Thailand
Average sea temperature - Surat Thani, Thailand

Best months for swimming (with the highest average sea temperature) are April, May and June (30°C).
Coldest months (with the lowest average sea temperature) are January, February and December (28°C).

Average daylight / Average sunshine - Surat Thani, Thailand
Average UV index - Surat Thani, Thailand

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 10).