Daytime highs, nighttime lows and the warmest cities in Ontario, Canada this May.
Ontario, Canada, a region in Canada, experiences maximum daytime temperatures in May ranging from 9°C (48°F) in Schreiber to 21°C (70°F) in Kemptville. Nighttime temperatures generally drop to 8°C (46°F) in Kemptville and 3°C (37°F) in Schreiber.
Discover the typical May temperatures for the most popular locations of Ontario on the map below. Detailed insights are just a click away.
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 May: blue is cold, red is hot.
Average daytime highs in Ontario, Canada during May reach about 16°C (61°F) in Toronto.
Toronto sees nighttime lows close to 8°C (46°F) in May.
From a thorough analysis of our records, Kemptville clearly dominates in terms of high temperatures. The city witnesses daytime temperatures hovering around 21°C (70°F), and evenings that remain near 8°C (46°F).
The coldest city in May in Ontario, Canada is Schreiber when we check our database. The maximum daytime temperatures are around 9°C (48°F) and minimum nighttime temperatures fall around 3°C (37°F).
Toronto enjoys close to 227 hours of sunlight. This not only brightens the days but also uplifts the atmosphere during the month.
We have much more information about the climate in Ontario.
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