January in Tumba is the snowiest, the cloudiest, and the most freezing month of the year. In January, the weather in Tumba is typically freezing. Average daily high temperature in January is about 8 degrees below zero. On average, Tumba has 17 cloudy, 9 snowy, 3 partly cloudy, 1 rainy, and 1 sunny day in January. The snowfalls are usually light. January as well as April, May, September, and October is considered the most uncomfortable time to visit Tumba.