January in Mellieha is the rainiest, the windiest, and the cloudiest month of the year. In January, the weather in Mellieha is typically warm. Average daily high temperature in January is about 15 degrees above zero. On average, Mellieha has 16 sunny, 10 rainy, and 5 partly cloudy days in January. The rains are usually light. January as well as February is considered the most uncomfortable time to visit Mellieha.