Weather Overview for Punta cana. The climate of Punta Cana is tropical, with hot and humid weather all-year-round. Temperatures vary very little throughout the year, with the monthly average temperature ranging between 25Â°C and 28Â°C. There are two distinct seasons in the year â the wet season and the dry season. Punta Cana lies on the Dominican Republicâs small east coast, just south of Bavaro. The coastline here is renowned for its beautiful white sandy beaches and great weather.