April in Fiuggi is the rainiest month of the year. In April, the weather in Fiuggi is typically warm. Average daily high temperature in April is about 14 degrees above zero. On average, Fiuggi has 18 rainy, 10 sunny, and 2 partly cloudy days in April. The rains are usually heavy. April as well as January, February, March, and November is considered the most uncomfortable time to visit Fiuggi.