Banff weather in December
December in Banff: freezing, a little rain, with clean air — a good time to visit.
#8 of 12 months in Banff · #387 of 604 destinations to visit in December · comfort 63/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Banff climate normals — December
| Daytime high | -8°C / 18°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -14°C / 6°F | |
| Feels like (high) | -12°C / 10°F | |
| Rainfall | 43 mm / 1.7 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 84% | 💦 very humid |
| Dew point | -14°C / 8°F | |
| Sunshine | 4.9 h/day | |
| Daylight | 8 h | |
| Wind | 11 km/h / 7 mph | |
| Snowfall | 59.6 cm / 23.5 in | |
| Air quality (US AQI) | 36 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Banff in December — FAQ
- Is December a good time to visit Banff?
- December in Banff: freezing, a little rain, with clean air — a good time to visit. It ranks #8 of 12 months for Banff on SeasonMap's comfort score (63/100).
- What is the weather like in Banff in December?
- In December, Banff averages a daily high of -7.9°C and a low of -14.2°C, with about 43.2 mm of rain over roughly 8.8 rainy days.
- What is the air quality in Banff in December?
- Banff has a mean US Air Quality Index of about 36 in December.
- Does it snow in Banff in December?
- Banff sees roughly 59.6 cm of snowfall in December.