January in Zejtun is the rainiest and the cloudiest month of the year. In January, the weather in Zejtun is typically warm. Average daily high temperature in January is about 14 degrees above zero. On average, Zejtun has 13 sunny, 11 rainy, 6 partly cloudy, and 1 cloudy day in January. The rains are usually moderate. January as well as February and December is considered the most uncomfortable time to visit Zejtun.