How much water do people in the desert need to drink?



  1. 0 Votes

    It is difficult to calculate exact water needs in the desert, because multiple factors impact human water consumption. If someone is in the shade they will sweat less and therefore will not have the same hydration requirements as someone that is walking around.  Body weight and even protein intake affects one’s need for water.  Obviously heat and humidity are also important factors.  According to, a man resting under shade in 122 degrees F will require 15 liters of water.  If that person is doing “moderate work in the sun” they will need 20 liters and “hard work in the sun” increases requirements to 25 liters.

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