During December and January, temperatures in excess of are common, and the average maximum temperature exceeds normal human body temperature for six months each year. Marble Bar receives 159.6 clear days annually. Dewpoint in the summers is between . In contrast to most of the year, winters are warm, with days averaging , low humidity and clear skies. Nights from June to August can be chilly, occasionally as low as but frost is unknown. Even in mid winter however, brief bursts of heat can result in the temperature rising to as high as for a few days before dropping back to normal.