Phuket typically offers warm weather all year around with temperatures ranging between 25 – 37°C (77 – 93°F). Typically divided into dry season and rainy season.
The dry season begins in December and usually lasts until March. The climate its best is characterized by gentle breezes, calm seas and clear blue skies. It is also the coolest time of year. The rainy season begins in June and lasts until October. The average rainfall in Phuket is about 2500mm or about 100 inches. The weather through rainy season can be characterized as warm to hot with some humidity.