Toronto weather in October
October in Toronto: cool, a little rain, with clean air — a great time to visit.
#6 of 12 months in Toronto · #342 of 604 destinations to visit in October · comfort 74/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Toronto climate normals — October
| Daytime high | 15°C / 59°F | 🙂 cool |
|---|---|---|
| Nighttime low | 9°C / 49°F | |
| Feels like (high) | 13°C / 55°F | |
| Rainfall | 72 mm / 2.8 in | 🌦 some rain |
| Rainy days | 10 days | |
| Humidity | 72% | 💧 humid |
| Dew point | 7°C / 44°F | |
| Sunshine | 6.8 h/day | |
| Daylight | 11 h | |
| Wind | 20 km/h / 12 mph | |
| Air quality (US AQI) | 37 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Toronto in October — FAQ
- Is October a good time to visit Toronto?
- October in Toronto: cool, a little rain, with clean air — a great time to visit. It ranks #6 of 12 months for Toronto on SeasonMap's comfort score (74/100).
- What is the weather like in Toronto in October?
- In October, Toronto averages a daily high of 14.8°C and a low of 9.3°C, with about 72.2 mm of rain over roughly 10.2 rainy days.
- What is the air quality in Toronto in October?
- Toronto has a mean US Air Quality Index of about 37 in October.