Monthly climate guide
Toronto weather in October
October in Toronto is typically cool, with average daytime highs around 15°C (59°F) and night-time lows near 10°C (50°F). The month usually brings about 78 mm of rain (some rain) and is often cloudy. Daytime highs are 7°C cooler than September and 7°C warmer than November.
What stands out in October
- It cools down fast from here: November is about 7°C cooler.
- Comfortable temperatures make it easy to walk between Toronto Islands and CN Tower.
- Just 470 km apart, but Toronto runs about 3°C warmer than Mont-Tremblant this month.
- There's little difference between day and night (around 5°C).
It's usually the wettest month of the year.
Avg high
15°C
59°F
Avg low
10°C
50°F
Rainfall
78 mm
some rain
Humidity
77%
relative
Sky
74%
cloud · often cloudy
Toronto weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 0°C / 32°F | -5°C / 23°F | 57 mm | 84% | 81% |
| February | 0°C / 32°F | -5°C / 22°F | 48 mm | 84% | 80% |
| March | 4°C / 38°F | -2°C / 28°F | 49 mm | 80% | 74% |
| April | 8°C / 47°F | 2°C / 36°F | 74 mm | 79% | 77% |
| May | 16°C / 60°F | 8°C / 47°F | 67 mm | 79% | 75% |
| June | 21°C / 70°F | 14°C / 58°F | 76 mm | 75% | 67% |
| July | 26°C / 78°F | 20°C / 67°F | 64 mm | 71% | 63% |
| August | 25°C / 77°F | 19°C / 67°F | 59 mm | 72% | 62% |
| September | 22°C / 71°F | 16°C / 61°F | 62 mm | 73% | 62% |
| October | 15°C / 59°F | 10°C / 50°F | 78 mm | 77% | 74% |
| November | 8°C / 46°F | 3°C / 38°F | 58 mm | 79% | 74% |
| December | 3°C / 38°F | -1°C / 31°F | 56 mm | 83% | 81% |
What to pack for October
- A warm sweater or fleece for layering
- A mid-weight jacket
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is October a good time to visit Toronto?
Our Toronto guide recommends: May to September for warm weather, or September to October for autumn colour.
Toronto winters are genuinely cold — if visiting between December and March, plan for well below freezing and use the city's indoor PATH walkway system downtown.
Best time to visit Toronto →Other Canada cities in October
Cite or embed this data
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Toronto weather in October. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/canada/toronto/october
<a href="https://weathercompare.eu/weather/canada/toronto/october">Toronto weather in October</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/canada/toronto" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Toronto weather in October"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/canada/toronto/october">Toronto weather in October</a> – WeatherCompare</p>
Toronto in October: quick answers
Is October a good time to visit Toronto?
October is a reasonable time for Toronto: highs around 15°C and about 78 mm of rain, though not one of the three best months.
How warm is Toronto in October?
Average highs are about 15°C (59°F) and average lows about 10°C (50°F), based on 10 years of daily data.
Does it rain a lot in Toronto in October?
Toronto typically gets around 78 mm of rain in October — some rain. It's usually the wettest month of the year.
When is the best time to visit Toronto?
May to September for warm weather, or September to October for autumn colour.
Figures are long-term averages for the area around Toronto (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.