In August, the weather in Punta del Este is typically warm. Average daily high temperature in August is about 15 degrees above zero. On average, Punta del Este has 11 sunny, 9 rainy, 7 partly cloudy, and 4 cloudy days in August. The rains are usually heavy. August as well as May, June, July, and September is considered the most uncomfortable time to visit Punta del Este.