January in Isparta is the snowiest and the coldest month of the year. In January, the weather in Isparta is typically cold. Average daily high temperature in January is about 4 degrees above zero. On average, Isparta has 9 rainy, 9 sunny, 8 partly cloudy, 4 cloudy, and 1 snowy day in January. The rains are usually heavy. January as well as February, March, April, and December is considered the most uncomfortable time to visit Isparta.