January in Sladkovo is the most freezing month of the year. In January, the weather in Sladkovo is typically freezing. Average daily high temperature in January is about 10 degrees below zero. On average, Sladkovo has 15 cloudy, 7 snowy, 5 sunny, and 4 partly cloudy days in January. The snowfalls are usually light. January as well as February, March, and November is considered the most uncomfortable time to visit Sladkovo.