January in Cosmos is the snowiest and the coldest month of the year. In January, the weather in Cosmos is typically freezing. Average daily high temperature in January is about zero. On average, Cosmos has 12 sunny, 9 partly cloudy, 6 cloudy, 2 rainy, and 2 snowy days in January. The rains are usually light. January as well as February, March, November, and December is considered the most uncomfortable time to visit Cosmos.