January in Gayny is the most freezing month of the year. In January, the weather in Gayny is typically freezing. Average daily high temperature in January is about 13 degrees below zero. On average, Gayny has 16 cloudy, 13 snowy, and 2 sunny days in January. The snowfalls are usually light. January as well as February, April, September, and October is considered the most uncomfortable time to visit Gayny.