Early morning or evening Jazzercise classes are advisable. During hot and humid weather you should slow down the pace of your workout to avoid fatigue and overexertion. On hot, humid days - the risk of dehydration and overheating during exercise is particularly great since the humidity interferes with the evaporation of the sweat from the skin. Under these conditions sweating may not be effective at dissipating excess body heat. On a humid day, bring a towel to class and periodically dry yourself.
Clothing can also interfere with the heat releasing effects of sweating.
On a hot day, you should try to expose as much of the skin to the air as possible. Skin lotions may also create a barrier for sweat evaporation. Don't ever wear sweat suits, rubberized waist bands, leg warmers other article of heavy clothing while exercising in hot or humid weather. Researchers have found that after exercising in the heat for a couple of weeks our bodies adapt and become better able to tolerate the climate. This process, referred to as acclimatization , involves an overall increase in the efficiency of our sweating mechanism.