Weather Forecast and Radar for St. Clair, Ontario

Weather in St. Clair, ON

St. Clair, Ontario enjoys a humid continental climate with warm summers and cold winters. The average temperature year-round is 5.6 °C, while the average daily high temperature is 8.6 °C and the average daily low temperature is 2.6 °C.

In the spring, temperatures typically range between 6.7 °C and 17.4 °C. The warmest month is usually July with an average high temperature of 25.1 °C and an average low temperature of 15.3 °C.

August is usually the wettest month, with an average of 87.3 mm of rain. Winters in St. Clair are cold, with an average high temperature of -3.3 °C and an average low temperature of -10.7 °C. Snowfall averages around 95.1 cm per year.

The hottest month of the year is typically July, with an average high temperature of 25.1 °C and an average low temperature of 15.3 °C. The coldest month of the year is January, with an average high temperature of -3.3 °C and an average low temperature of -10.7 °C.

Fast Facts About St. Clair, ON

As of 2020, the city population is 14086.

Major Cities Nearby St. Clair, ON

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for St. Clair, Ontario.