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The weather in May in Canada
It's cool to moderate in May in Canada with an average temperature of 15°C. Temperatures this month range from a low of 11°C to a high of 19°C. At night, you can expect temperatures between -2°C and 4°C.
Looking for sun and warm weather? May isn’t a good month to be in Canada. The temperatures are too low for a warm stay this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Canada. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 27°C in 2023, Canada reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was -1°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of -9°C to a highest value of 10°C.
Precipitation and snowfall
In May, there is an average of 40 mm of precipitation, spread over 7 days. Of the total precipitation, about 7,9 cm falls as snow in May. The wind speed is around 3 Bft, mostly coming from the South.
Daily weather in May for Canada
Click on any day in May to get detailed info about the usual weather on that day in Canada. Check out the historical temperatures and precipitation over the past 10 years on this day.
May weather comparison
| Canada | New York | |
|---|---|---|
| Average temperature | 15°C | 22°C |
| Max. temperature | 19°C | 28°C |
| Min. temperature | -2°C | -5°C |
| Total precipitation | 40 mm | 105 mm |
| Rainy days | 7 days | 14 days |
| Total snowfall | 7,9 cm | 0 cm |
| Snowy days | 4 days | 0 days |
Start of May
The month of May starts in Canada with cool temps, averaging around 14°C during the day and nights around 1°C.
Mid May
By mid-May, daytime temps rise to around 16°C, with nights around 2°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of May
By the end of May, the average daytime temperature in Canada is around 18°C, while nighttime temps are about 4°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Canada for all months and discover the best travel time
The climate in Canada is based on weather data from Banff. Other places, like Vancouver, Toronto or Niagara Falls, might have different weather. You can check out all destinations in Canada to get the full picture of the climate.
Temperature charts
These charts show the average temperatures in May in Canada. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in May in Canada
Temperature in May in Canada over the years
Precipitation charts
These charts show the average amount of precipitation in May in Canada. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in May in Canada
Total precipitation in May in Canada over the years
Daily Snowfall in May in Canada
Snowfall in May in Canada per year
Daily UV index in May in Canada
This chart shows the average daily UV index in May in Canada, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in May in Canada
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Average weather in Canada by month
Click on a month below to see detailed weather info for Canada. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.