Calgary weather in October
October in Calgary: cold, dry, with clean air — a good time to visit.
#7 of 12 months in Calgary · #429 of 604 destinations to visit in October · comfort 68/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Calgary climate normals — October
| Daytime high | 11°C / 52°F | 🧥 cold |
|---|---|---|
| Nighttime low | 0°C / 31°F | |
| Feels like (high) | 7°C / 45°F | |
| Rainfall | 29 mm / 1.1 in | ☀️ dry |
| Rainy days | 6 days | |
| Humidity | 69% | 💧 humid |
| Dew point | 0°C / 32°F | |
| Sunshine | 7.7 h/day | |
| Daylight | 10.7 h | |
| Wind | 16 km/h / 10 mph | |
| Snowfall | 10.4 cm / 4.1 in | |
| Air quality (US AQI) | 27 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Calgary in October — FAQ
- Is October a good time to visit Calgary?
- October in Calgary: cold, dry, with clean air — a good time to visit. It ranks #7 of 12 months for Calgary on SeasonMap's comfort score (68/100).
- What is the weather like in Calgary in October?
- In October, Calgary averages a daily high of 11.2°C and a low of -0.5°C, with about 29 mm of rain over roughly 5.8 rainy days.
- What is the air quality in Calgary in October?
- Calgary has a mean US Air Quality Index of about 27 in October.
- Does it snow in Calgary in October?
- Calgary sees roughly 10.4 cm of snowfall in October.