March in Sandnessjoen is the cloudiest month of the year. In March, the weather in Sandnessjoen is typically cold. Average daily high temperature in March is about 1 degree above zero. On average, Sandnessjoen has 15 rainy, 12 snowy, and 4 sunny days in March. The rains are usually heavy. March as well as April, May, June, and September is considered the most uncomfortable time to visit Sandnessjoen.