August in Neiba is the hottest month of the year. In August, the weather in Neiba is typically hot. Average daily high temperature in August is about 31 degrees above zero. On average, Neiba has 14 sunny, 13 partly cloudy, and 4 rainy days in August. The rains are usually heavy. August as well as May, September, and October is considered the most uncomfortable time to visit Neiba.