Ontario Weather in July
During July, Ontario experiences very high daytime temperatures of 33°C (91°F) and cooler nights around 18°C (64°F). Rainfall is low, averaging just 2.3 mm (0.1 in) for the month.
Rainfall in Ontario in July
Typically around a single day of rainfall are expected, averaging 2.3 mm (0.1 in) for the month. On the rare occasion it rains this month, it usually amounts to very little.
Temperature in Ontario in July
Weather in Ontario is at its perfect in July. Highs reach 33°C (91°F), while nights settle around 18°C (64°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. Nights drop to around 18°C (64°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 July
The days are predominantly sunny, with an estimated total of around 369 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.If your ideal day consists of dry skies and pleasant temperatures, January, February, March, April, May, October and November typically offer the best circumstances for Ontario.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Ontario's climate page.
Ontario Temperature in July
Min Temperature
18°C (64°F)
Max Temperature
33°C (91°F)
Chance of Rain
3%
Precipitation
2.3 mm (0.1 in)
Rainy days
a single day
Sunshine
369 hours *
Percentage Sunshine
*
Best Places in the United States of America in July
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 July →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Ontario in July
Get ready for hot weather in July! Lightweight, breathable fabrics are your best friend during this month. Cotton and linen shirts, shorts, sundresses, and sandals will keep you comfortable. Light colors help reflect the heat, avoid wearing black. Almost no rain is expected, so no need to bring rain gear. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Ontario in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Ontario's climate page.
See the full Ontario climate overview or explore weather in the United States of America.
