In August, the weather in San Fernando de Monte Cristi is typically hot. Average daily high temperature in August is about 28 degrees above zero. On average, San Fernando de Monte Cristi has 16 sunny, 9 partly cloudy, 4 rainy, and 2 cloudy days in August. The rains are usually light. August as well as February, June, and July is considered the most comfortable time to visit San Fernando de Monte Cristi.