January in Kalmar is the snowiest, the cloudiest, and the coldest month of the year. In January, the weather in Kalmar is typically cold. Average daily high temperature in January is about 1 degree above zero. On average, Kalmar has 17 cloudy, 9 rainy, 3 snowy, and 2 sunny days in January. The rains are usually light. January as well as February, March, October, and November is considered the most uncomfortable time to visit Kalmar.