Published on March 26, 2026
As summer temperatures soar around the globe, many individuals turn to various strategies to cope with the heat. However, not all common beliefs about staying cool in a heatwave are grounded in truth. Here, we debunk ten prevalent myths that often lead people astray during sweltering weather.
One of the most widely believed myths is that taking a cold shower helps lower body temperature. While it may offer temporary relief, a cold shower can cause blood vessels to constrict, potentially trapping heat in the body. Experts suggest that lukewarm water is more effective, as it can actually help regulate body temperature better efficient cooling.
Another prevalent notion is that drinking ice-cold beverages will refresh you faster. While cold drinks may feel cooling at the moment, they can cause your body to work harder to maintain its core temperature, which might actually lead to an increase in overall body heat. Warm or room temperature drinks, on the other hand, allow for a more effective cooling process.
The belief that fans cool the air is also misleading. Fans do not reduce the temperature of the air; they simply circulate it. In high humidity conditions, this can feel uncomfortable, as the body relies on evaporation to cool itself. Instead of just relying on fans, combining them with open windows during cooler evenings can be a smarter way to enhance airflow.
Many people think that keeping windows closed during the day prevents indoor heating. However, this can lead to rooms becoming stiflingly hot as the sun’s rays penetrate the building. Researchers suggest that opening windows during cooler morning or evening hours and closing them during the heat of the day, along with drawing blinds, can be a more effective approach to maintaining a comfortable indoor climate.
Some believe that sunscreen is only necessary on sunny days. This myth overlooks the fact that UV rays can penetrate clouds, meaning that even overcast days demand sun protection. Exposure to UV rays is a risk anytime you are outside, making daily application of sunscreen a critical part of heatwave safety.
Additionally, many assume that it’s fine to skip hydration if they don’t feel thirsty. This misconception can lead to dehydration during hot weather, as the body requires regular fluid intake, even if one doesn’t feel parched. It’s essential to drink water consistently throughout the day, especially during extreme heat.
Another incorrect belief is that alcohol can help cool down the body. While it may initially produce a sensation of cooling, alcohol is a diuretic, which can lead to dehydration and worsen the effects of heat. Staying away from excessive alcohol consumption during heatwaves is crucial for maintaining body function and hydration.
There’s also the common misconception that darker clothing makes individuals sweat more. While darker colors can absorb more heat, the type of fabric plays a significant role. Loose-fitting, breathable fabrics in light colors are better choices for comfort and cooling, as they allow for better air circulation and sweat evaporation.
Lastly, many people think that once acclimatised to heat, they won’t experience any adverse effects. While acclimatization can enhance tolerance to heat, it does not make one immune to heat-related illnesses. It’s still crucial to recognize signs of heat exhaustion or heatstroke, regardless of an individual’s heat adaptability.
As the planet continues to experience extreme weather patterns, understanding and debunking these myths becomes increasingly important. Staying informed can help individuals make better choices for health and comfort during heatwaves, ensuring safety during these challenging conditions.
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