January in Sciacca is the rainiest and the cloudiest month of the year. In January, the weather in Sciacca is typically warm. Average daily high temperature in January is about 13 degrees above zero. On average, Sciacca has 14 sunny, 10 rainy, 6 partly cloudy, and 1 cloudy day in January. The rains are usually heavy. January as well as February is considered the most uncomfortable time to visit Sciacca.