Toronto weather in December
December in Toronto: freezing, a little rain, with clean air — a hit-or-miss time to visit.
#10 of 12 months in Toronto · #514 of 604 destinations to visit in December · comfort 47/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Toronto climate normals — December
| Daytime high | 3°C / 38°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -1°C / 30°F | |
| Feels like (high) | -1°C / 30°F | |
| Rainfall | 77 mm / 3 in | 🌦 some rain |
| Rainy days | 12 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | -2°C / 28°F | |
| Sunshine | 4.1 h/day | |
| Daylight | 9 h | |
| Wind | 22 km/h / 14 mph | |
| Snowfall | 21.4 cm / 8.4 in | |
| Air quality (US AQI) | 33 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Toronto in December — FAQ
- Is December a good time to visit Toronto?
- December in Toronto: freezing, a little rain, with clean air — a hit-or-miss time to visit. It ranks #10 of 12 months for Toronto on SeasonMap's comfort score (47/100).
- What is the weather like in Toronto in December?
- In December, Toronto averages a daily high of 3.3°C and a low of -1.2°C, with about 76.6 mm of rain over roughly 12 rainy days.
- What is the air quality in Toronto in December?
- Toronto has a mean US Air Quality Index of about 33 in December.
- Does it snow in Toronto in December?
- Toronto sees roughly 21.4 cm of snowfall in December.