In March, the weather in Trollhattan is typically cold. Average daily high temperature in March is about 5 degrees above zero. On average, Trollhattan has 11 cloudy, 7 sunny, 7 partly cloudy, 5 rainy, and 1 snowy day in March. The rains are usually light. March as well as January, February, April, and May is considered the most uncomfortable time to visit Trollhattan.