SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/horse-sweat-per-hour

A horse working hard in the heat can lose how much sweat per hour?

2 to 4 gallons of sweat per hour.

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  1. 2 to 4 gallons ✔
  2. 1 cup
  3. 20 gallons

Why: Horses cool off mainly by sweating, and a lot of it. That water and salt must be replaced. Always give a hot, sweaty horse plenty of clean water.

Huh, didn't know that: Less sweat evaporates when humidity is high, so horses cool off more slowly on muggy days.

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References

Answer: 2 to 4 gallons. Horses cool off mainly by sweating, and a lot of it. That water and salt must be replaced. Always give a hot, sweaty horse plenty of clean water.

  1. Caring for horses during hot weather, UMN Extension extension.umn.edu/agriculture/animals-and-livestock/horse/caring-for-horses-during-hot-weather
    A horse that is working hard in a hot environment can lose 2 to 4 gallons of sweat per hour.
    Checked 2026-10-10.
  2. Ten things you should know about feeding the mature horse, UMN Extension extension.umn.edu/horse-nutrition/ten-things-you-should-know-about-feeding-mature-horse
    A 1,000-pound horse can easily drink 12 to 16 gallons of water when working in the summer heat and grazing fresh forages.
    Checked 2026-10-10.

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