January in Inverness is the windiest and the coldest month of the year. In January, the weather in Inverness is typically cold. Average daily high temperature in January is about 4 degrees above zero. On average, Inverness has 13 rainy, 13 cloudy, 3 sunny, and 2 partly cloudy days in January. The rains are usually moderate. January as well as February, March, April, and May is considered the most uncomfortable time to visit Inverness.