Map of Simcoe Muskoka

Environment

Extreme Weather

With temperatures increasing as a result of climate change, weather patterns will be altered resulting in more frequent and more severe extreme weather which can affect physical and mental health. We are expected to experience changes in our precipitation patterns (rainfall and snowfall), affecting both the amount of precipitation and the intensity of precipitation events.

Precipitation will decrease in the warm summer months, leading to increases in periods of droughts. Precipitation events will increase in intensity resulting in flooding events. In the winter months, precipitation is expected to increase with more freezing rain, rain, and snow. These extreme weather events will impact our communities, particularly more vulnerable individuals such as those with mobility issues, mental illness, chronic illnesses, people who are underhoused or homeless, and those who are socially isolated. Extreme weather can pose a risk to infrastructure and create barriers to access important health and social services.

For information about the most common extreme weather events in the Simcoe Muskoka region, and how to prepare for them, please visit our website. This section focuses on extreme precipitation, which can contribute to flooding.

Heavy precipitation days

Heavy precipitation days occur where the total daily precipitation (rainfall and snowfall) is more than 10 mm. From 2001 to 2018, there was an average of 28 heavy precipitation days per year, ranging from 21 in Egbert (South Simcoe) to 34 in Beatrice (Muskoka).

There is no clear pattern in the number of days with heavy precipitation across this time period. However, 2007 was notable for having few heavy precipitation days, especially in Egbert, and 2008 was notable for having a higher number of heavy precipitation days than typical.

191126HeavyPrecipDays2001to2018