March in Sandviken is the sunniest month of the year. In March, the weather in Sandviken is typically cold. Average daily high temperature in March is about 3 degrees above zero. On average, Sandviken has 10 cloudy, 8 sunny, 7 partly cloudy, and 6 rainy days in March. The rains are usually light. March as well as October and November is considered the most uncomfortable time to visit Sandviken.