January in Cleveland is the cloudiest and the coldest month of the year. In January, the weather in Cleveland is typically warm. Average daily high temperature in January is about 10 degrees above zero. On average, Cleveland has 10 rainy, 8 sunny, 7 partly cloudy, and 6 cloudy days in January. The rains are usually heavy. January as well as February, June, July, and August is considered the most uncomfortable time to visit Cleveland.