April in Mosta is the rainiest month of the year. In April, the weather in Mosta is typically cold. Average daily high temperature in April is about 9 degrees above zero. On average, Mosta has 14 rainy, 9 cloudy, 5 sunny, and 2 partly cloudy days in April. The rains are usually light. April as well as January, October, and November is considered the most uncomfortable time to visit Mosta.