Due to its unique location, Koh Samui and its surrounding islands, offer fine and dry weather in the European Summer season of May - September.

SW Monsoon - May to October
NE Monsoon - November to April

During the Sunsail sailing season of May through to October, the winds are from the SW-W and are generally light to moderate, with calm seas and mainly sunshine. This is the dry season in the Gulf of Thailand with ideal sailing conditions and only occasional rain showers.

Tidal range is 1 to 2 metres. The tide floods towards the south and ebbs towards the north. In several places the tide flows in roughly the same direction whether ebbing or flowing. During spring tidal streams around headlands and in narrow channels can reach over 2 knots.


Current weather conditions

 Koh Samui, Thailand.

Wind Speed

4.1 meters per second (9.2 miles per hour)

Wind Direction

west/northwest

(290°)

Temperature

30 °C (86 °F)

Dew-Point

25 °C (77 °F)

Wind Chill

36 °C (97 °F)

Pressure

1008 mb (29.76 inHg)

Humidity

74.7%

Cloud Cover

There were scattered clouds at a height of 610 meter (2000 feet), broken clouds at a height of 3658 meter (12000 feet), and broken clouds at a height of 9144 meter (30000 feet)

Visibility

greater than 10 kilometers (6.2 miles)

The report was made 54 minutes ago, at 12:00 UTC.