December in Marmara Ereglisi is the rainiest and the windiest month of the year. In December, the weather in Marmara Ereglisi is typically warm. Average daily high temperature in December is about 10 degrees above zero. On average, Marmara Ereglisi has 13 rainy, 9 sunny, 6 partly cloudy, and 3 cloudy days in December. The rains are usually heavy. December as well as January and February is considered the most uncomfortable time to visit Marmara Ereglisi.