October in Harrisson Hot Springs is the rainiest month of the year. In October, the weather in Harrisson Hot Springs is typically warm. Average daily high temperature in October is about 10 degrees above zero. On average, Harrisson Hot Springs has 17 rainy, 7 sunny, 5 partly cloudy, and 2 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 Harrisson Hot Springs.