January in Penza is the most freezing month of the year. In January, the weather in Penza is typically freezing. Average daily high temperature in January is about 8 degrees below zero. On average, Penza has 17 cloudy, 11 snowy, and 3 sunny days in January. The snowfalls are usually light. January as well as March, April, October, and November is considered the most uncomfortable time to visit Penza.