Ontario
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Ontario Weather in June

June in Ontario averages 30°C (86°F) during the day and 15°C (59°F) at night. With just 0.1 mm (0 in) of rainfall on average, it doesn't get much drier than this.

Rainfall in Ontario in June

The risk of rain is at its lowest this month, making it a reliable choice for outdoor plans. Typically, you can expect about 0 days of rain this month, with 0.1 mm (0 in) on average.

Temperature in Ontario in June

June in Ontario is generally excellent, with days reaching 30°C (86°F) and nights settling around 15°C (59°F). It's usually most comfortable outside during the morning and later in the day. Nights drop to around 15°C (59°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Ontario in June

Enjoy a sunny month with about 301 hours of sunshine, the clear skies make Ontario even more beautiful.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May, October and November typically offer the best weather for Ontario.

Ontario Temperature in June

Min Temperature
15°C (59°F)
Max Temperature
30°C (86°F)
Chance of Rain
0%
Precipitation
0.1 mm (0 in)
Rainy days
0 days
Sunshine
301 hours *
Percentage Sunshine
*
* Data from: Corona, the United States of America (22 KM, 13 Miles).

Ontario Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Ontario - and find the best time to visit.

Best Places in the United States of America in June

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in June →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Ontario in June

Warm temperatures in June make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Ontario in June

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    10/10
  • Cycling
    8/10
  • Walking
    8/10
  • Barbeque
    10/10
  • Camping
    10/10
  • Outdoor sports
    8/10

Ontario 3-Day Forecast

More climate data for Ontario

Popular in June

Where to go in June - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.