January: The hottest place in North America is at its gentlest: days in the 60s mean you can hike canyon floors at midday, which in July would be dangerous.
February: Still cool enough for the long canyon hikes. In a wet winter, late February is when desert gold and other annuals begin to carpet the southern valley.
March: Peak wildflower season in wet years, with days in the upper 70s before spring heat arrives in April. This is the last really comfortable month for the long lowland hikes.
November: The season opens: highs drop into the 70s, and long hikes like Golden Canyon–Gower Gulch are comfortable again.
December: Cool, clear and quiet before the holiday rush. December is excellent for dark-sky stargazing and long canyon hikes.
Permits and reservations
No reservation is required to enter the park.
Backcountry camping permit: Required year-round for all overnight backcountry trips and picked up in person at the Furnace Creek Visitor Center area. Not needed for day hiking.
Campgrounds: Some campgrounds (such as Furnace Creek) take reservations up to 6 months ahead. In summer the open campgrounds are first come, first served.