January in L'Aquila is the rainiest, the cloudiest, and the coldest month of the year. In January, the weather in L'Aquila is typically cold. Average daily high temperature in January is about 3 degrees above zero. On average, L'Aquila has 22 rainy, 5 cloudy, and 4 sunny days in January. The rains are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit L'Aquila.