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Temperature in Ontario in May

Ontario is a region in Canada. May in has maximum daytime temperatures ranging from low in Schreiber with 9°C to pleasant temperatures in Kemptville with 21°C. Nighttime temperatures generally drop to 8°C in Kemptville and 3°C in Schreiber.

What is the temperature of the different cities in Ontario in May?

Discover the typical May temperatures for the most popular locations of Ontario on the map below. Detailed insights are just a click away.

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Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

  • What is the warmest city in May in Ontario?
  • Data insights from our comprehensive database indicate that Kemptville is the city with the highest warmth. Daytime peaks average near 21°C, while the nights are characterized by a low temperature close to 8°C."

  • What is the coldest city in May in Ontario?
  • According to our data, Schreiber holds the title for the coldest city in Ontario in May. It experiences maximum temperatures of approximately 9°C and drops to lows of about 3°C during the night.

  • How much sun does Ontario get in May?
  • The weather is predominantly sunny, with an estimated total of around 227 hours of sunshine in Toronto. This means many sunny days, which creates a cheerful atmosphere during this month.

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