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City of Hamilton - Public Health Services

City of Hamilton's Heat Response

For Heat health information printed in Braille, please contact


Click the image for current Heat Status information:
Click to view current status information

Heat Advisory
Stage 1
1 day with 40 or greater humidex
Heat Warning
Stage 2
2+ days with 40 or greater humidex
Heat Alert
Stage 3
4+ days with 40 or greater humidex or1+ days with 45 or greater humidex

Weather forecasts are monitored for conditions that can be hazardous to health.  A heat event will occur when the weather calls for 1 day with 40 or greater humidex and notification will be sent to radio and TV with information on how to stay cool. 

Extreme heat can cause heat cramps, heat exhaustion, heat stroke and even death. Public are advised to take precautions to reduce their risk of heat-related illnesses and to keep a lookout for the most vulnerable in your community.

Read Tips to Beat the Heat (pdf)

During a Heat Advisory Stage 1

During a Heat Advisory Stage 1 the following cool places will provide an air conditioned place to cool off during regular business hours.

City of Hamilton Cool Places

Community Partner Cool Places 

During a Heat Warning Stage 2

Water Distribution Program

During a Heat Warning Stage 2 all Cool Places will be operating. The Salvation Army will also distribute bottled water between the hours of 10:00am and 2:00pm at Gore Park (map).

Recreation Centres - Free Swimming at Indoor and Outdoor Pools

During Stage 2 and 3 heat events, regularly scheduled public, family, adult and senior swims will be free of charge at indoor and outdoor pools.

Additional swims on Saturday and Sunday evenings from 6pm to 8pm at the following pools:

Visit for links to other pool schedules.

Pool capacity limits in effect as per Public Health guidelines. The Recreation Division may implement swim rotations, depending on line-ups at individual facilities ie. swimmers may enjoy a one hour swim and then be asked to leave the pool so that others can also enjoy the opportunity to cool off.

Recreation Supie Programs that are in a park that has water are open. All locations without water will be closed. Visit Summer Supie Program for more information

During a Heat Alert Stage 3

When a Heat Alert is issued by the Office of the Medical Officer of Health all community partners, including the City of Hamilton, review and intensify community response activities in accordance with the severity and duration of the heat event.

All activities and resources that were activated in Stages 1 and 2 will continue for the duration of the heat event.

All Recreation Supie programs will be closed at all parks. Visit Summer Supie Program for more information
Wading pools, except Dundas Driving Park, will be closed.

Resources and Information

Heat Response Plan
The City of Hamilton and community partners have developed a heat response plan to help citizens protect themselves when the combination of high heat, high humidity and other weather conditions can be hazardous to health. Heat Response Plan Overview (pdf)

Your Health


Contact Information