March in Arkadelphia is the cloudiest month of the year. In March, the weather in Arkadelphia is typically warm. Average daily high temperature in March is about 19 degrees above zero. On average, Arkadelphia has 12 rainy, 9 sunny, 7 partly cloudy, and 3 cloudy days in March. The rains are usually heavy. March as well as January, February, May, and June is considered the most uncomfortable time to visit Arkadelphia.