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Extreme Heat

Contact: Florida Health

Understanding the Risks of Extreme Heat in Florida

Florida sun shining on a beachExtreme heat is a leading weather-related cause of death in the U.S., and Florida is particularly vulnerable due to its long summers and high humidity. These conditions can overwhelm the body’s cooling system, leading to heat-related illnesses like heat exhaustion and heat stroke, especially for vulnerable populations such as the elderly, children, and those with pre-existing health conditions. To stay safe, monitor heat warnings, stay hydrated, wear lightweight, light-colored clothing, and avoid outdoor activities during peak heat. Ensure access to cool spaces and create an emergency plan for power outages to reduce the risks and protect your health during extreme heat events.

To further help you stay safe, here are some essential tips and resources to keep in mind:

  • What is Extreme Heat?
  • Heat-Related Illnesses
  • How to Stay Safe During Extreme Heat
  • Recognizing the Signs of Heat-Related Illnesses
  • Preparing Your Home and Environment
  • Special Considerations
  • Extreme Heat in Florida
  • Be Prepared
  • For more information

Extreme heat occurs when high temperatures - often accompanied by high humidity - overwhelm the body’s natural cooling mechanisms. This condition can cause heat-related illnesses such as heat exhaustion, heat stroke, and dehydration. Heat waves can last for days, making it important to understand the signs, symptoms, and precautions needed to stay safe.

Heat-related illnesses can develop quickly, especially during prolonged exposure to extreme heat. The most common illnesses include:

  1. Heat Exhaustion: Heavy sweating, weakness, dizziness, nausea, and headache. Can progress to heat stroke if untreated.
  2. Heat Stroke: Life-threatening; body temperature over 104°F causes confusion, unconsciousness, and organ failure. Seek immediate medical help.
  3. Heat Cramps: Painful muscle cramps from losing salt and fluids through sweat.
  4. Dehydration: Loss of water and electrolytes leads to weakness and dizziness.
  • Stay Hydrated: Drink water or sports drinks to prevent dehydration.
  • Avoid the Sun: Stick to air-conditioned areas; wear light clothes, hats, and sunscreen if outdoors.
  • Take Breaks: Rest often in cool or shaded areas during outdoor activities.
  • Limit Activity: Avoid strenuous tasks during peak heat (10 a.m.-4 p.m.).
  • Check on Others: Look out for seniors, kids, and those with medical conditions.
  • Heat Exhaustion: Heavy sweating, weakness, dizziness, nausea, fainting.
  • Heat Stroke: Rapid pulse, confusion, hot/dry skin, unconsciousness. Call 911 and cool with ice or water.
  • Keep Indoor Areas Cool: Use AC or fans, close blinds by day, and open windows at night. Spend time in libraries or malls if you lack AC.
  • Install Heat-Resistant Features: Use awnings, reflective window films, or insulation to keep your home cooler.
  • Have a Cooling Plan: Know where to go during power outages, like cooling centers or friends' homes with AC.

Certain groups face higher risks during extreme heat:

  • Elderly: May struggle to adjust to heat and often miss signs of dehydration.
  • Children: Dehydrate quickly and need close monitoring.
  • Medical Conditions: People with heart, lung, or kidney issues, or on specific medications, are more vulnerable.
  • Outdoor Workers: Must take extra care in hot conditions.

Florida summers bring intense heat and humidity, increasing the risk of heat-related health issues. Whether at the beach or working outdoors, stay safe by following guidelines and checking weather updates.

  • Know the Signs: Learn symptoms of heat illnesses to act fast.
  • Stay Informed: Follow weather updates and public health advice.

Staying Safe During Extreme Heat Events

By taking these steps and staying informed, you can significantly reduce your risk and stay safe during extreme heat events. It's important to listen to weather reports, recognize the signs of heat-related illnesses, and adjust your activities accordingly. Always make sure to rest in shaded or air-conditioned areas when possible.  Remember, when the heat is on, it’s essential to take it slow, avoid strenuous activity during the hottest parts of the day, stay cool, and hydrate often. Taking these precautions can help you avoid serious health issues and ensure your safety during intense heat.

Note: The links and content provided on this page are for your convenience and informational purposes. The Florida Department of Health (DOH) doesn't endorse or approve any products, services, or opinions. We're not responsible for the content or accuracy of external sites. If you have questions, please reach out to the external site directly.