Planning for the weather is a good way to make your trip to Dete relaxing and enjoyable, especially when you’re splurging. The hottest months are usually October and September with an average temp of 77°F, while the coldest months are July and June with an average of 65°F. The rainiest months in Dete are January, December, February, and March, with each month seeing an average of 8 inches of rainfall.