October in Inverness is the cloudiest month of the year. In October, the weather in Inverness is typically warm. Average daily high temperature in October is about 11 degrees above zero. On average, Inverness has 17 rainy, 8 partly cloudy, and 6 cloudy days in October. The rains are usually heavy. October as well as January, February, March, and April is considered the most uncomfortable time to visit Inverness.