March in Harrisson Hot Springs is the rainiest and the cloudiest month of the year. In March, the weather in Harrisson Hot Springs is typically cold. Average daily high temperature in March is about 4 degrees above zero. On average, Harrisson Hot Springs has 27 rainy, 2 sunny, and 2 cloudy days in March. The rains are usually heavy. March as well as January, February, April, and May is considered the most uncomfortable time to visit Harrisson Hot Springs.