In January, Kotka typically sees daytime highs of -3.2°C and overnight lows around -9.2°C. Compared to the annual average high of 7.6°C, January runs -10.8°C.
January in Kotka averages a daytime high of -3.2°C and an overnight low of -9.2°C.
January runs -10.8°C compared to Kotka's annual average high of 7.6°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near -3.2°C and cooler evenings around -9.2°C.