January in Bonito is the cloudiest month of the year. In January, the weather in Bonito is typically hot. Average daily high temperature in January is about 28 degrees above zero. On average, Bonito has 19 rainy, 11 partly cloudy, and 1 cloudy day in January. The rains are usually moderate. January as well as February, March, April, and May is considered the most uncomfortable time to visit Bonito.