Weathermondo.com
CanadaThe weather in June in Ontario
It's warm in June in Ontario with an average temperature of 24°C. Temperatures this month range from a low of 21°C to a high of 27°C. At night, you can expect temperatures between 14°C and 19°C.
Looking for great weather? June is a good time to be in Ontario. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in June for Ontario, 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 36°C in 2022, Ontario reached the highest temperature in June over the past 10 years. The lowest daytime temperature in this month was 14°C in 2016. The extreme nighttime temperatures ranged from a lowest recorded value of 7°C to a highest value of 23°C.
Rainfall amount
In June, there is an average of 84 mm of precipitation, spread over 12 days. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in June for Ontario
Click on any day in June to get detailed info about the usual weather on that day in Ontario. Check out the historical temperatures and precipitation over the past 10 years on this day.
June weather comparison
| Ontario | New York | |
|---|---|---|
| Average temperature | 24°C | 27°C |
| Max. temperature | 27°C | 31°C |
| Min. temperature | 14°C | -5°C |
| Total precipitation | 84 mm | 78 mm |
| Rainy days | 12 days | 11 days |
Start of June
The month of June starts in Ontario with warm temps, averaging around 23°C during the day and nights around 15°C.
Mid June
By mid-June, daytime temps rise to around 25°C, with nights around 16°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of June
By the end of June, the average daytime temperature in Ontario is around 26°C, while nighttime temps are about 18°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
Find affordable vacations to Ontario
UV index
The UV index is a maximum of 8 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 Ontario for all months and discover the best travel time
Curious about the weather in other parts of Canada? Check out the climate and weather for spots like Vancouver, Toronto, Niagara Falls, or explore other destinations in Canada.
Temperature charts
These charts show the average temperatures in June in Ontario, Canada. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in June in Ontario
Temperature in June in Ontario over the years
Precipitation charts
These charts show the average amount of precipitation in June in Ontario, 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 June in Ontario
Total precipitation in June in Ontario over the years
Daily UV index in June in Ontario
This chart shows the average daily UV index in June in Ontario, 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 June in Ontario
Have you been to Ontario in June?
Share your weather experience in June in Ontario.
Average weather in Ontario by month
Click on a month below to see detailed weather info for Ontario. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.