Ontario Weather in July

Thinking of visiting Ontario in July? Expect very high temperatures reaching 35°C (95°F) during the day, dropping to 16°C (61°F) at night, with the driest conditions of the year.

Rainfall in Ontario in July

With the lowest rainfall figures of the year, conditions are ideal for exploring the outdoors. Expect around 2 days of rain based on historical data, with 3.8 mm (0.1 in) average. Rain days are few and the total is low, so this is a largely dry month. Any showers that do occur tend to be brief.

Temperature in Ontario in July

July in Ontario sees highs of 35°C (95°F) and lows of 16°C (61°F) overnight. The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. With lows of 16°C (61°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. Average temperatures can be deceiving; some days will be hotter. Wear breathable fabrics and drink plenty of water to stay cool.

July in Ontario has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.