Daytime highs, nighttime lows and the warmest cities in Ontario, Canada this April.
Ontario, Canada, a region in Canada, experiences maximum daytime temperatures in April ranging from 4°C (39°F) in Schreiber to 14°C (57°F) in Windsor. Nighttime temperatures generally drop to 3°C (37°F) in Windsor and -3°C (27°F) in Schreiber.
Find the average daytime temperatures in April for the most popular destinations in Ontario on the map below. Click on a destination dot for more detailed information.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Ontario.
Marker color shows the average daytime high temperature in April: blue is cold, red is hot.
Toronto averages a daytime high of 10°C (50°F) in April, which is low for Ontario, Canada.
Average overnight lows in Ontario, Canada during April sit near 2°C (36°F) in Toronto.
Based on our systematic data collection, Windsor has been identified as the city with the highest average temperatures. The daytime temperature usually hovers around 14°C (57°F), while at night it goes down to an approximate temperature of 3°C (37°F).
Our database indicates that in April, Schreiber is the city with the coolest temperatures in Ontario, Canada. You can expect daytime highs of 4°C (39°F) and nighttime lows close to -3°C (27°F).
Across Ontario, Canada, sunshine in April ranges from moderately sunny in Kingston (162 hours) to sunny in Mississauga (205 hours).
We have much more information about the climate in Ontario.
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