In October, St. John's typically sees daytime highs of 11.1°C and overnight lows around 3.9°C. Compared to the annual average high of 9.1°C, October runs +2.0°C.
October in St. John's averages a daytime high of 11.1°C and an overnight low of 3.9°C.
October runs +2.0°C compared to St. John's's annual average high of 9.1°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 11.1°C and cooler evenings around 3.9°C.