February in Cayman Brac is the coldest month of the year. In February, the weather in Cayman Brac is typically warm. Average daily high temperature in February is about 26 degrees above zero. On average, Cayman Brac has 25 sunny and 4 partly cloudy days in February. February as well as January, March, April, and December is considered the most comfortable time to visit Cayman Brac.