March in Horta is the coldest month of the year. In March, the weather in Horta is typically warm. Average daily high temperature in March is about 15 degrees above zero. On average, Horta has 18 rainy, 6 cloudy, 4 sunny, and 3 partly cloudy days in March. The rains are usually heavy. March as well as January, February, October, and December is considered the most uncomfortable time to visit Horta.