Exercising in the heat is very dangerous. One puts him/herself at risk of hyperthermia.
The American College of Sports Medicine has guidelines that one can refer to when implementing activities that will be performed in hot/humid conditions. Following are the guidelines:
When clients exercise in hot/humid conditions, fitness facilities and organizations should formulate a standardized heat-stress management plan that incorporates the following considerations:
1. Screening and surveillance of at-risk populations.
2. Environmental assessment (i.e., WBGT index) and criteria for modifying or canceling exercise
3. Heat acclimatization procedures
4. Easy access to fluids
5. Optimized but not maximized fluid intake that (a) matches the volume of fluid consumed to the volume of sweat loss and (b) limits body weight change to