Thornhill Weather in August

In Thornhill, August brings high daytime temperatures around 26°C (79°F), with nights cooling to 16°C (61°F). Expect quite a bit of rainfall this month.

Rainfall in Thornhill in August

Based on our climate data of the past 30 years, about 10 days of rain are anticipated, with 73 mm (2.9 in) on average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Thornhill in August

The perfect temperature in Thornhill in August makes it a solid month to visit, with 26°C (79°F) during the day and 16°C (61°F) at night. During August, you'll experience the summer season. This kind of day-to-night contrast is typical for this time of year. 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.

Sunshine in Thornhill in August

Expect a lot of sunshine this month, with about 245 hours of sun. These sunny conditions add to the overall experience.

If you're a fan of comfortable temperatures and drier conditions, August is a great time to visit.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
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• July
• August

• September
• October
• November
• December

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

Thornhill Temperature in August

Min Temperature 16°C (61°F)  

Max Temperature 26°C (79°F)  

Chance of Rain 33%  

Precipitation 73 mm (2.9 in)  

Rainy days 10 days  

Humidity 85% *  

Sunshine 245 hours *  

Percentage Sunshine 56% *  

* Data from: Toronto, Canada (16 KM, 10 Miles).

What to Wear in Thornhill in August

Warm temperatures in August 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. Rain gear is recommended, you can expect wet weather on multiple days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Thornhill in August

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

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

More climate data for Thornhill

Temperature Rainfall Sunshine Humidity

See the full Thornhill climate overview or explore weather in Canada.