Ontario Weather in October

October is one of the perfect months to visit Ontario, with daytime temperatures of 28°C (82°F) and lows of 13°C (55°F) at night. Rainfall is minimal, averaging just 9.8 mm (0.4 in) for the month.

Rainfall in Ontario in October

Based on our climate data of the past 30 years, about 3 days of rain are anticipated, with 9.8 mm (0.4 in) on average. The occasional light shower is possible, but rain is rarely an issue this month.

Temperature in Ontario in October

Weather in Ontario is at its perfect in October. Highs reach 28°C (82°F), while nights settle around 13°C (55°F). Overall, the month follows a fairly predictable daily temperature pattern. With lows of 13°C (55°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 Ontario in October

Expect a lot of sunshine this month, with about 252 hours of sun. These sunny conditions add to the overall experience.

If you're inclined towards comfortable temperatures and drier conditions, October is a good time to visit Ontario.

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 the United States of America, check out our Ontario's climate page.

Ontario Temperature in October

Min Temperature 13°C (55°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 10%  

Precipitation 9.8 mm (0.4 in)  

Rainy days 3 days  

Sunshine 252 hours *  

Percentage Sunshine *  

* Data from: Corona, the United States of America (22 KM, 13 Miles).

What to Wear in Ontario in October

Warm but pleasant conditions in Ontario in October. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Dry conditions mean you won't need to worry about rain protection. 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 October

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

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

10/10

Outdoor sports

8/10

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 the United States of America, check out our Ontario's climate page.

More climate data for Ontario

Temperature Rainfall Sunshine

See the full Ontario climate overview or explore weather in the United States of America.