Monthly weather forecast and climate
Surat Thani, Thailand

How much 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.

When is the sea coldest in Surat Thani?

January, February and December, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater in Surat Thani. For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the driest month in Surat Thani?

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

What is the warmest month in Surat Thani?

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

What months are 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. For swimming, other intense water activities, temperature above 30°C (86°F) is arguably unpleasant, as the water cooling effect is missing.

What is the rainiest 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 coldest month in Surat Thani?

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