Highest Temperature:
The highest temperature ever recorded in Ontario was 45 °C (113 °F) in Ridgeway on July 1, 1972.
Lowest Temperature:
The lowest temperature ever recorded in Ontario was -51 °C (-60 °F) in Iroquois Falls on January 9, 1935.
Average Temperatures:
* Summer (July-August):
- Average daytime temperatures: 22-26 °C (72-79 °F)
- Average nighttime temperatures: 13-18 °C (55-64 °F)
* Winter (January-February):
- Average daytime temperatures: -3 to -4 °C (27-25 °F)
- Average nighttime temperatures: -8 to -10 °C (17-14 °F)
It's important to note that these temperatures are based on past records and do not necessarily reflect future trends. Climate change is a significant factor that can affect temperature patterns and extreme events, so temperatures may deviate from historical averages in the future.