In October, Derry typically sees daytime highs of 12.6°C and overnight lows around 6.8°C. Compared to the annual average high of 11.9°C, October runs +0.7°C.
October in Derry averages a daytime high of 12.6°C and an overnight low of 6.8°C.
October runs +0.7°C compared to Derry's annual average high of 11.9°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 12.6°C and cooler evenings around 6.8°C.