August in Varadero is the hottest month of the year. In August, the weather in Varadero is typically hot. Average daily high temperature in August is about 31 degrees above zero. On average, Varadero has 13 sunny, 12 rainy, and 6 partly cloudy days in August. The rains are usually moderate. August as well as September and October is considered the most uncomfortable time to visit Varadero.