In October, Kotka typically sees daytime highs of 8.1°C and overnight lows around 2.9°C. Compared to the annual average high of 7.6°C, October runs +0.4°C.
October in Kotka averages a daytime high of 8.1°C and an overnight low of 2.9°C.
October runs +0.4°C compared to Kotka's annual average high of 7.6°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 8.1°C and cooler evenings around 2.9°C.