In October, Calgary typically sees daytime highs of 11.9°C and overnight lows around -1.9°C. Compared to the annual average high of 9.5°C, October runs +2.4°C.
October in Calgary averages a daytime high of 11.9°C and an overnight low of -1.9°C.
October runs +2.4°C compared to Calgary's annual average high of 9.5°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 11.9°C and cooler evenings around -1.9°C.