January in Defne is the rainiest and the coldest month of the year. In January, the weather in Defne is typically warm. Average daily high temperature in January is about 12 degrees above zero. On average, Defne has 15 rainy, 9 sunny, 6 partly cloudy, and 1 cloudy day in January. The rains are usually heavy. January as well as February, March, and December is considered the most uncomfortable time to visit Defne.