January in Buenaventura is the windiest and the sunniest month of the year. In January, the weather in Buenaventura is typically warm. Average daily high temperature in January is about 27 degrees above zero. On average, Buenaventura has 29 rainy and 2 sunny days in January. The rains are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit Buenaventura.