June in Santa Cruz de la Sierra is the coldest month of the year. In June, the weather in Santa Cruz de la Sierra is typically warm. Average daily high temperature in June is about 23 degrees above zero. On average, Santa Cruz de la Sierra has 11 sunny, 11 partly cloudy, 4 rainy, and 4 cloudy days in June. The rains are usually light. June as well as July and August is considered the most comfortable time to visit Santa Cruz de la Sierra.