January in Kalamata is the rainiest and the coldest month of the year. In January, the weather in Kalamata is typically warm. Average daily high temperature in January is about 10 degrees above zero. On average, Kalamata has 16 rainy, 8 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 Kalamata.