In March, the weather in Härnösand is typically cold. Average daily high temperature in March is about 1 degree above zero. On average, Härnösand has 12 cloudy, 7 sunny, 7 partly cloudy, and 5 rainy days in March. The rains are usually light. March as well as April, October, November, and December is considered the most uncomfortable time to visit Härnösand.