Phuket has a tropical monsoon climate, meaning that it has warm weather all year round! With warm temperatures throughout the year, tourists are known to visit this beautiful tropical island year-round. Though the temperatures remain steady and warm, the hottest months are from July to August, and this is when most tourist areas are known to visit. While this peak period is known to have hot temperatures, don't be surprised to get caught in a downpour or two as this is also the monsoon season.