Visitation is lowest in December and January. Death Valley is generally sunny, dry, and clear throughout the year. The winters are mild with occasional winter storms, but summers are extremely hot and dry. Summer high temperatures commonly run above 120 degrees Fahrenheit. Comfortable clothing providing sun protection and a broad brimmed hat are recommended in summer.
Winter requires warmer clothing and light to medium jackets.
Sturdy walking shoes are important year round. The park is transected from east to west by California Highway 190. South of the park, Interstate 15 passes through Baker, California on its way from Los Angeles to Las Vegas. West of the park, State Route 178 passes through Ridgecrest and Trona on its way north to a junction with 190. Also to the west, Highway 395 parallels the park from north to south with connections to Highway 190 at Olancha and Lone Pine.