
Caring for horses in hot weather - University of Minnesota
2020/8/18· Quick facts. Provide shade, airflow (use fans) and free access to clean water during hot weather. Avoid riding your horse when the coined air temperature (F) and relative humidity is over 150, especially if the horse is not acclimated to the heat. To cool an overheated horse, sponge it with cool water. Repeat this until the horse is cool.