January weather forecast in Koror

January in Koror is the sunniest month of the year. In January, the weather in Koror is typically hot. Average daily high temperature in January is about 28 degrees above zero. On average, Koror has 27 rainy and 4 sunny days in January. The rains are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit Koror.