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Toronto Weather in October
Thinking of visiting Toronto in October? Expect moderate temperatures reaching 16°C (61°F) during the day, dropping to 8°C (46°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Toronto in October
You can expect rain on roughly 11 days based on historical data, averaging 91 mm (3.6 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Toronto in October
October in Toronto brings typical temperatures with highs around 16°C (61°F) and lows of 8°C (46°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. With lows around 8°C (46°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Toronto in October
The month experiences a moderate amount of sunlight, with 160 hours of sunshine. This provides a nice balance between sunshine and clouds.If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Toronto.
Toronto Temperature in October
Min Temperature
8°C (46°F)
Max Temperature
16°C (61°F)
Chance of Rain
35%
Precipitation
91 mm (3.6 in)
Rainy days
11 days
Humidity
85%
Sunshine
160 hours
Percentage Sunshine
45%
Toronto Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Toronto - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Toronto typically drop from around 17°C (63°F) at the start of October to approximately 11°C (52°F) by the end. Nights are cold, with lows typically ranging from 4°C (39°F) to 10°C (50°F).
Average temperatures in October
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in October
Historical weather records for Toronto in October
Browse day-by-day weather records for Toronto spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Toronto historical weather extremes in October
The extremes listed below come from historical weather data collected in Toronto from 1976 through 2025.
- The hottest October day on record in Toronto reached 28°C (82°F) (October 3, 2023).
- On October 30, 2020, Toronto saw its coldest October day with temperatures maxing out at 3°C (37°F).
- Toronto registered its coldest October night on October 30, 1983, with temperatures dropping to -4°C (25°F).
- The heaviest October precipitation occurred on October 28, 2015, when 56 mm (2.2 in) of precipitation fell.
Best Places in Canada in October
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in October →
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).
What to Wear in Toronto in October
Pack for changing conditions in Toronto in October. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes. Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Toronto in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming5/10 -
Cycling6/10 -
Walking6/10 -
Camping4/10 -
Outdoor sports9/10
Toronto 3-Day Forecast
More climate data for Toronto
Temperature Rainfall Sunshine Humidity
See the full Toronto climate overview or explore weather in Canada.
Popular in October
Where to go in October - average daytime high across popular destinations.
Toronto
16°C (61°F) Niagara Falls15°C (59°F) Montréal14°C (57°F) Ottawa14°C (57°F) Vancouver
14°C (57°F) Quebec City12°C (54°F) Calgary
12°C (54°F) Whistler7°C (45°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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