January in Cox's Bazar is the sunniest and the coldest month of the year. In January, the weather in Cox's Bazar is typically warm. Average daily high temperature in January is about 22 degrees above zero. On average, Cox's Bazar has 27 sunny, 3 partly cloudy, and 1 rainy day in January. The rains are usually light. January as well as February and December is considered the most comfortable time to visit Cox's Bazar.