What October feels like in Calgary
For Calgary, October is the heart of autumn. The daytime air has a chill to it, though it is rarely bitter. After dark the temperature drops clearly: nights hover around freezing, so frost is common. Damp air makes the cold feel rawer than the numbers alone suggest.
Rain in Calgary in October
Wet days are occasional rather than regular, about one day in 5. Wet days average about 4.4 mm (0.2 in), enough to soak you without an umbrella. That is close to Calgary's typical rain per wet day for the whole year (about 5.3 mm).
Daylight and sunshine in October
Mid-month, Calgary gets 10 h 49 min of daylight, from sunrise near 7:58 am to sunset near 6:46 pm. Evenings are drawing in — 1 h 55 min less daylight than mid-September. The sun is out for roughly 74% of those daylight hours, so there are plenty of bright spells.
How October compares to the rest of the year
October is the 6th warmest month of the year in Calgary. Compared with September, afternoons are 7.7°C (13.9°F) cooler, with 11 mm less rain. The cooling trend carries on into November. By November, typical highs are 2.3°C (36.1°F).
Who October suits
- Sightseeing: a good fit — the weather rarely gets in the way of a city walk.
- Parks & outdoor: less ideal — too cool to sit outside for long.
- Hiking: less ideal — trails are cool.
Tips for visiting Calgary in October
Versatile Layers
Days are noticeably warmer than nights — layers you can add or remove.
Warm Layers
Insulated layers and warm shoes for the cold hours.
Sunglasses
Frequent sunshine — sunglasses and a light hat.
Quick questions
How warm is Calgary in October?
Expect around 10.7°C (51.3°F) in the afternoon and 0°C (32°F) at night, which most visitors would call chilly.
Does it rain a lot in Calgary in October?
Not especially. There are about 6 rainy days (26 mm), mostly moderate rain.
What should I wear in Calgary in October?
Based on the averages: versatile layers, warm layers and sunglasses. Add a layer for after dark.
Is October or November better for visiting Calgary?
October scores better on our climate ranking (#6 of 12 vs #12), rated Fair against Poor. November is cooler.