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Beat the heat this summer: Simcoe Muskoka District Health Unit offers guidance

July 9, 2026   ·   0 Comments

By Brian Lockhart

With summer underway and a recent week of high temperatures, there are likely more hot days ahead, which can leave many people feeling rather uncomfortable.

The Simcoe Muskoka District Health Unit is reminding residents to be aware of signs of heat-related illness and to take steps to stay cool and healthy.

Extreme heat can cause serious, life-threatening health problems.

To stay safe, go to cool places such as air-conditioned spaces, shaded areas, or public buildings like libraries and malls. Take breaks from the heat, drink water often – even if you are not thirsty – and limit alcohol and caffeine consumption.

Avoid strenuous activity and plan outdoor tasks for cooler times of day. Keep your home cool by closing blinds during the day and opening windows at night if it is cooler outside.

Use air conditioning if available, and do not rely solely on fans to cool down.

When outdoors, wear light, loose-fitting clothing and protect yourself from the sun with a hat and sunglasses.

Check on family, friends, and neighbours, especially those at higher risk. If you live alone or need extra support, arrange for someone to check on you regularly.

While anyone can be affected by the heat, people at greater risk include infants and young children, older adults, and those with chronic health conditions.

Excessive heat can make you sick quickly. It can cause dehydration, heat cramps, heat rash, heat exhaustion, and heat stroke. It can also worsen existing health conditions such as lung and heart problems.

It may affect mental health, causing changes in mood or behaviour.

Early warning signs include headache, nausea, irritability, weakness, fatigue, light-headedness or dizziness. Some people may become disoriented or confused.

Mild to moderate symptoms can quickly become severe.

If you develop symptoms, act right away by moving to a cool place, drinking water, and cooling your body.

If symptoms worsen or you are unsure what to do, contact a health-care provider or call 811, or visit Health811.

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