January in Basseterre is the windiest month of the year. In January, the weather in Basseterre is typically warm. Average daily high temperature in January is about 26 degrees above zero. On average, Basseterre has 25 sunny, 4 rainy, and 2 partly cloudy days in January. The rains are usually light. January as well as February and March is considered the most comfortable time to visit Basseterre.