Barometric Pressure in Ko Samui, Thailand 
1012.4 hPa
26.1 ℃
93%
3.36 m/s
Get Alerts 🚨. Sign up to receive alerts when the barometric pressure changes significantly.
The average pressure in Ko Samui, Surat Thani, Thailand today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at times, very unsettled
The daily total fluctuation in pressure in Ko Samui is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Ko Samui hour by hour across the next 6 hourly readings.
Ko Samui has high air pressure year-round. The island's geography, with hills and sea, affects air pressure. Air moves up hills, cools, and forms clouds, resulting in rain. The island's sea surroundings help regulate air pressure.
In summer, high pressure brings hot and dry weather. In winter, northeast winds bring some rain. Monsoon season brings low pressure, causing heavy rain.
Ko Samui has a tropical monsoon climate. The climate type means it experiences high pressure most of the year, except during monsoon season when pressure drops. The island's weather is generally warm and sunny.