In December, the weather in Bocas del Toro is typically warm. Average daily high temperature in December is about 20 degrees above zero. On average, Bocas del Toro has 27 rainy, 2 sunny, and 2 cloudy days in December. The rains are usually heavy. December as well as April, May, June, and July is considered the most uncomfortable time to visit Bocas del Toro.