Toronto

Ontario Weather in July

Average temperatures, rainfall, sunshine and the best places to visit in Ontario, Canada in July.

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Toronto Ottawa Niagara Falls Mississauga

Planning a trip to Ontario, Canada this July? Here's what you need to know about the weather:

What to Expect in Ontario in July

Ontario, Canada is a region in Canada. In July, Ontario experiences a range of weather conditions, with temperatures that range from pleasant to warm and precipitation levels ranging from moderate to high. July falls during the summer season.

Temperatures

During the day temperatures vary from pleasant in Schreiber at 18°C (64°F) to warm in Amherstburg at 28°C (82°F). At night it cools down to 20°C (68°F) in Amherstburg and 13°C (55°F) in Schreiber. On average, July is the warmest month of the year in Ontario, Canada. So be prepared and pack summer clothes.

To explore the conditions in Ontario, Canada in more detail, check the map below.

Precipitation

In July, precipitation varies across different areas. From moderate rainfall in Niagara on the Lake with an average of 53 mm (2.1 in) to high rainfall in Port Colborne with 114 mm (4.5 in).

Average sunshine

Plenty of sunshine can be expected in numerous places in July. Toronto typically receives 280 hours of sunlight, making it ideal for those seeking sunny weather.

Explore Ontario by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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
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).

Popular Destinations in Ontario

What is the weather like in July for some of the most popular destinations in Ontario, Canada?

Temperature range in Ontario (July)

Precipitation variation in Ontario (July)

Toronto

In July Toronto generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 18°C (64°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« June
July
August »
June
July
August
Max temperature
22°C (72°F)
26°C (79°F)
26°C (79°F)
Min temperature
14°C (57°F)
18°C (64°F)
18°C (64°F)
Monthly sun hours
260 hours
280 hours
245 hours
Monthly rainfall
83 mm (3.3 in)
71 mm (2.8 in)
68 mm (2.7 in)
Monthly rainy days
10 days
9 days
10 days
Weather conditions
perfect
perfect
perfect
Climate in Toronto →

Ottawa

In July Ottawa generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 15°C (59°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« June
July
August »
June
July
August
Max temperature
25°C (77°F)
27°C (81°F)
26°C (79°F)
Min temperature
12°C (54°F)
15°C (59°F)
14°C (57°F)
Monthly sun hours
255 hours
280 hours
251 hours
Monthly rainfall
105 mm (4.1 in)
102 mm (4 in)
94 mm (3.7 in)
Monthly rainy days
12 days
11 days
11 days
Weather conditions
pleasant
pleasant
perfect
Climate in Ottawa →

Niagara Falls

In July Niagara Falls generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 17°C (63°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« June
July
August »
June
July
August
Max temperature
25°C (77°F)
27°C (81°F)
26°C (79°F)
Min temperature
14°C (57°F)
17°C (63°F)
17°C (63°F)
Monthly sun hours
290 hours
307 hours
268 hours
Monthly rainfall
90 mm (3.5 in)
90 mm (3.5 in)
67 mm (2.6 in)
Monthly rainy days
13 days
12 days
11 days
Weather conditions
perfect
perfect
perfect
Climate in Niagara Falls →

Mississauga

In July Mississauga generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 17°C (63°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« June
July
August »
June
July
August
Max temperature
23°C (73°F)
27°C (81°F)
26°C (79°F)
Min temperature
14°C (57°F)
17°C (63°F)
17°C (63°F)
Monthly sun hours
261 hours
295 hours
276 hours
Monthly rainfall
87 mm (3.4 in)
76 mm (3 in)
69 mm (2.7 in)
Monthly rainy days
10 days
9 days
9 days
Weather conditions
perfect
perfect
perfect
Climate in Mississauga →

Niagara on the Lake

In July Niagara on the Lake generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 12°C (54°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« June
July
August »
June
July
August
Max temperature
18°C (64°F)
20°C (68°F)
20°C (68°F)
Min temperature
10°C (50°F)
12°C (54°F)
12°C (54°F)
Monthly sun hours
290 hours
307 hours
268 hours
Monthly rainfall
63 mm (2.5 in)
53 mm (2.1 in)
47 mm (1.9 in)
Monthly rainy days
9 days
9 days
8 days
Weather conditions
pleasant
perfect
perfect
Climate in Niagara on the Lake →

Is your destination not in the list? Have a look at all destinations in Ontario, in Canada.

Popular cities in July

Day & night temperatures, rainfall and average weather in Ontario in July.

City Weather Day temp Night temp Rainfall
Toronto 26°C (79°F) 18°C (64°F) 71 mm (2.8 in)
Ottawa 27°C (81°F) 15°C (59°F) 102 mm (4 in)
Niagara Falls 27°C (81°F) 17°C (63°F) 90 mm (3.5 in)
Mississauga 27°C (81°F) 17°C (63°F) 76 mm (3 in)
Niagara on the Lake 20°C (68°F) 12°C (54°F) 53 mm (2.1 in)
Kingston 26°C (79°F) 19°C (66°F) 103 mm (4.1 in)

Ontario weather in July: frequently asked questions

What is the weather like in Ontario, Canada in July?

Expect perfect weather across Ontario, Canada in July. The popular destination of Toronto averages 26°C (79°F) by day and 18°C (64°F) at night during this summer month.

What is the average temperature in Ontario, Canada in July?

In Toronto, the average daytime high in July is 26°C (79°F), while nighttime temperatures drop to around 18°C (64°F).

Does Ontario, Canada get a lot of rain in July?

Not particularly. Toronto averages just 71 mm (2.8 in) of rain in July, making it a mostly dry month for Ontario, Canada.

Is July a Good Time to Visit Ontario, Canada?

We believe that July is one of the best times to visit Ontario, Canada with overall perfect weather in Toronto. However, the weather conditions may vary depending on your destination.

On average, the best time to visit Ontario, Canada is in June, July, August and September with generally perfect weather in Toronto. In contrast, January, February, March, April, November and December tend to have poor weather conditions.

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.

Bucket list

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

Visit Algonquin Park

Algonquin park is one of the best places to experience the Canadian wilderness and learn more about the nation’s cultural history. It is open year round and offers a variety of activities depending on the season.
Canoeing the south Nahannii

The South Nahanni in the northwest of Canada is one of the most impressive wilderness rivers in the world. Canoeing the south Nahanni is something you must add to your bucket list.
See Polar Bears in Churchill Canada

Thousands of bears gather at the small town of Churchill. In the evening the northern lights give a light show against the dark evening sky. An unforgettable experience.
Banff National Park

Snowy mountains, clear blue lakes and green forests make Banff National Park a wonderful bucket list destination. The pristine wilderness is a mecca for walkers.
Must visit in Canada →