Temperature in Ontario in July

Daytime highs, nighttime lows and the warmest cities in Ontario, Canada this July.

Ontario, Canada, a region in Canada, experiences maximum daytime temperatures in July ranging from 18°C (64°F) in Schreiber to 28°C (82°F) in Amherstburg. Nighttime temperatures generally drop to 20°C (68°F) in Amherstburg and 13°C (55°F) in Schreiber. The month of July is in the summer season. In Ontario, Canada, July typically stands out as the hottest month of the year. If you're planning a visit during this time, it would be wise to come prepared. Packing light and breathable summer cloths will ensure you stay comfortable throughout your stay.

What is the temperature of the different cities in Ontario, Canada in July?

Explore the map below to discover average July temperatures at the top destinations in Ontario. For a deeper dive, simply click on any destination dot.

Select a Month

Check the conditions for any month of the year.

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For a detailed overview over the year and the best time to visit Ontario, check out our Ontario's climate page.

See also: Ontario weather by month.

Best Places to Visit in Ontario in July

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Ontario.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in July: blue is cold, red is hot.

See all July weather averages, cities and regions in Ontario

Ontario temperatures in July: frequently asked questions

How hot does it get in Ontario, Canada in July?

Daytime temperatures in Toronto typically peak at 26°C (79°F) in July, putting it in the high range.

How cold does it get at night in Ontario, Canada in July?

Nighttime temperatures in Toronto typically drop to around 18°C (64°F) in July.

What is the warmest city in July in Ontario, Canada?

According to our recent database analysis, Amherstburg is the warmest city. It experiences an average maximum daytime temperature of approximately 28°C (82°F) and rarely drops below 20°C (68°F) during the night.

What is the coldest city in July in Ontario, Canada?

According to our data, Schreiber holds the title for the coldest city in Ontario, Canada in July. It experiences maximum temperatures of approximately 18°C (64°F) and drops to lows of about 13°C (55°F) during the night.

How much sun does Ontario, Canada get in July?

Toronto usually sees around 280 hours of sunlight, indicating many sunny days.

Interested in more climate information?

We have much more information about the climate in Ontario.

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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