Daytime highs, nighttime lows and the warmest cities across Canada this May.
Canada, experiences maximum daytime temperatures in May ranging from -6°C (21°F) in Alert to 22°C (72°F) in Osoyoos. Nighttime temperatures generally drop to 7°C (45°F) in Osoyoos and -11°C (12°F) in Alert.
To get a sense of May's typical temperatures in the key spots of Canada, explore the map below. Click on a point for an in-depth look.
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 Canada.
Marker color shows the average daytime high temperature in May: blue is cold, red is hot.
Drill down to May weather for any region in Canada.
Pick a city to see its May weather averages.
Expect daytime temperatures around 16°C (61°F) in Toronto. That makes May a moderate month for Canada.
Average overnight lows in Canada during May sit near 8°C (46°F) in Toronto.
According to our recent database analysis, Osoyoos is the warmest city. It experiences an average maximum daytime temperature of approximately 22°C (72°F) and rarely drops below 7°C (45°F) during the night.
In our database, Alert is the chilliest city in May in Canada. Daytime temperatures typically peak at -6°C (21°F), while the nighttime lows hover around -11°C (12°F).
Toronto enjoys close to 227 hours of sunlight. This not only brightens the days but also uplifts the atmosphere during the month.
The water temperature averages approximately 9°C (48°F) in Prince Rupert this month, so not the best month to swim.
We have much more information about the climate in Canada.
Weather and climate has detailed information for every country in the world. Are you going to Canada? Get detailed historical weather averages for many cities in Canada.
Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
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