January in Hikkaduwa is the sunniest month of the year. In January, the weather in Hikkaduwa is typically hot. Average daily high temperature in January is about 28 degrees above zero. On average, Hikkaduwa has 20 rainy, 5 sunny, 4 partly cloudy, and 2 cloudy 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 Hikkaduwa.