January in Hershey is the snowiest and the coldest month of the year. In January, the weather in Hershey is typically cold. Average daily high temperature in January is about 1 degree above zero. On average, Hershey has 11 cloudy, 8 partly cloudy, 5 snowy, 5 sunny, and 2 rainy days in January. The snowfalls are usually moderate. January as well as February, March, April, and December is considered the most uncomfortable time to visit Hershey.