In October, Port Saint Mary typically sees daytime highs of 13.1°C and overnight lows around 8.8°C. Compared to the annual average high of 11.6°C, October runs +1.6°C.
October in Port Saint Mary averages a daytime high of 13.1°C and an overnight low of 8.8°C.
October runs +1.6°C compared to Port Saint Mary's annual average high of 11.6°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 13.1°C and cooler evenings around 8.8°C.