NPS Photo/Laura Bolyard
Summers can be extremely hot with daytime temperatures exceeding 105 degrees F (41 degrees C) in the shade, and evening lows averaging 72 degrees F (22 degrees C).
Winters in the Tucson area are delightful with mild warm days averaging 65 degrees F (19 degrees C) and cool nights averaging 40 degrees F (5 degrees C).
Always wear a hat and use sunscreen while hiking. Drink plenty of water, we recommend at least one gallon of water per person, per day.