This page has some additional resources about the health effects of heat and how to keep yourself, clients and loved ones safe.

Download the following ‘Beat the Heat’ resources with tips and information on keeping yourself and others safe during hot weather.

Starting in 2019, Toronto Public Health no longer issues heat warnings to the public as they are already communicated broadly by Environment & Climate Change Canada. Learn more about Toronto’s Hot Weather Response.

2022 Heat Warnings

  • May: 31
  • June: 20-22, 24-27
  • July: 18-24
  • August: 5-8

2021 Heat Warnings

  • June: 4-8, 29
  • July: 4-6
  • August: 10-12, 19 & 20

2020 Heat Warnings

  • May: 26 & 27
  • June: 9 & 10, 20-22
  • July: 2-10, 17-19, 25-27
  • August: 9 &10, 23 & 24

2019 Heat Warnings

  • July: 5 & 6, 18-21, 26-30

Previous Heat Warnings

Data is available on the number of Heat Warnings from 2001 to 2018.