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Heath Unit offers tips on how to stay healthy during extreme heat days
July 3, 2025 · 0 Comments
By Brian Lockhart
The recent extreme heat wave that settled over Ontario prompted the Simcoe Muskoka District Health Unit to issue advice and tips on how to protect yourself during extreme heat events.
This summer is far from over and more heatwaves could be on the way, so this information is important for the rest of the season.
Anyone can get sick from extreme heat, but some people are at a higher risk.
Those at greater risk are infants and young children, older adults, pregnant women, and those living with chronic health conditions or a mental illness.
People who live alone, don’t have access to cooled indoor spaces, or work or exercise in the heat, are also at a higher risk.
When it is hot outside, indoor temperature can rise even higher. Indoor temperatures of 26ºC, are dangerous to health, especially for those who are more sensitive to heat.
There are steps you can take to protect yourself during extreme heat events.
Keep aware – pay close attention to how you and those around you feel. Know the signs and symptoms of heat illnesses and what to do if they occur.
Heat stroke is a medical emergency. If you are caring for someone who has a high body temperature, is unconscious or confused, has stopped sweating, or feels dizzy and faint, call 911 immediately.
Drink plenty of water before you even feel thirsty. Cool off by taking a cool shower or bath, going for a swim, putting your feet in the water or applying a damp towel to your skin.
Use a fan to circulate air during cooler parts of the day.
You can take a break from the heat by spending time in a cool or air-conditioned place. Contact your local municipality or visit their website for hours and locations of cooling spaces or go to a cooler public place like a library, shopping mall, or swimming pool.
Stay connected with friends and family, especially those at greater risk, to make sure they are cool and hydrated.
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