March in Santa Cruz de la Sierra is the cloudiest month of the year. In March, the weather in Santa Cruz de la Sierra is typically hot. Average daily high temperature in March is about 29 degrees above zero. On average, Santa Cruz de la Sierra has 17 rainy, 6 cloudy, 6 partly cloudy, and 2 sunny days in March. The rains are usually heavy. March as well as January, February, November, and December is considered the most uncomfortable time to visit Santa Cruz de la Sierra.