While the summer months may not be the ideal time to hike the Sonoran (or any desert), it is possible to enjoy the Sonoran Desert National Monument throughout the seasons with some planning for health and safety.
The Washington Trails Association suggests these essentials (find a more comprehensive list here):
Wilderness Medical Associates also suggest you bring knowledge of CPR & basic first aid. This advice is particularly poignant as mobile phone cover at the Monument is weak except in the vicinity of Gila Bend or Maricopa. The Red Cross Grand Canyon Chapter at the Piper Center, Phoenix, provides local classes.
Bring enough water. How much water is enough water? Backpacker Magazine Medicine Man columnist Buck Tilton suggests, “3-5 quarts per day for the average desert spring hiker. It’s a range because individual responses to desert heat and dryness vary, partially due to how acclimated you are to desert heat and dryness.”
Grand Canyon National Park Service suggests 4 liters of water per day in warm weather. In addition, the Service suggests, “During the summer months, your fluid/electrolyte loss can exceed two quarts per hour if you hike uphill in direct sunlight during the hottest part of the day. Drink one-half to one full quart of water or sports drink each and every hour you are hiking in the heat.”
WebMD advises that you pay close attention to the symptom of heat exhaustion before they progress to heat stroke:
To treat heat exhaustion:
“If such measures fail to provide relief within 30 minutes, contact a doctor because untreated heat exhaustion can progress to heat stroke.” Nearby emergency medical aid is in Gila Bend, and Maricopa. Dial 911.