Weather in October in Ontario
Are you planning a trip a to Ontario in October and wondering what kind of weather to expect? This page has all the details you need.
What is the weather like in Ontario in October?
Ontario is a region in Canada. October in Ontario generally has temperatures that range from cold to mild, with precipitation levels ranging from moderate to high.
Temperatures
During the day the temperature is cold in Red Lake at 8°C and mild in Chatham at 16°C. As night falls, temperatures generally drop to 8°C in Chatham and 1°C in Red Lake.For specific regional insights in Ontario, refer to the map provided below.
Precipitation
In October, precipitation varies across different areas. From moderate rainfall in Fort Frances with an average of 58 mm to high rainfall in Rockport with 133 mm.Average sunshine
Most areas experience a moderate amount of sunshine, with approximately 160 hours of sunlight expected in Toronto. This makes it neither too gloomy nor overly bright.For more details on the yearly climate, visit our Ontario climate page.
Where to go in Ontario in October
perfect weather
pleasant
tolerable
unpleasant
poor
Select a Month of Interest
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Ontario's climate page.
Popular destinations
What is the weather like in October for the 5 most popular destinations in Ontario?
Toronto
In October Toronto generally has moderate temperatures with maximum daytime temperatures around 16°C, minimum nighttime temperatures around 8°C and moderate monthly rainfall. So on average the conditions are tolerable that month.
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Ottawa
In October Ottawa generally has moderate temperatures with maximum daytime temperatures around 14°C, minimum nighttime temperatures around 4°C and high monthly rainfall. So on average the conditions are unpleasant that month.
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Niagara Falls
In October Niagara Falls generally has moderate temperatures with maximum daytime temperatures around 15°C, minimum nighttime temperatures around 7°C and high monthly rainfall. So on average the conditions are unpleasant that month.
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Mississauga
In October Mississauga generally has moderate temperatures with maximum daytime temperatures around 15°C, minimum nighttime temperatures around 7°C and moderate monthly rainfall. So on average the conditions are tolerable that month.
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Niagara on the Lake
In October Niagara on the Lake generally has low temperatures with maximum daytime temperatures around 12°C, minimum nighttime temperatures around 5°C and moderate monthly rainfall. So on average the conditions are unpleasant that month.
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Is your destination not in the list? Have a look at other destinations in Ontario, in Canada.
Is October the best time to visit Ontario?
In our opinion, October is a good time to visit Ontario with overall tolerable weather in Toronto. However, the weather conditions may vary depending on your destination.
On average, the best time to visit Ontario 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.