When planning a trip, it is a good idea to know what to expect regarding weather once you reach your destination. Temperatures and weather conditions at White Sands vary greatly throughout the year. June through August, daytime temperatures average 95ºF (35ºC), with some days reaching as high as 110ºF (38º). Evenings are much cooler, ranging from 50-65ºF (10-18ºC).