February in Castries is the windiest and the coldest month of the year. In February, the weather in Castries is typically warm. Average daily high temperature in February is about 26 degrees above zero. On average, Castries has 14 sunny, 11 partly cloudy, and 4 rainy days in February. The rains are usually light. February as well as March is considered the most comfortable time to visit Castries.