In June, Kotka typically sees daytime highs of 17.5°C and overnight lows around 9.1°C. Compared to the annual average high of 7.6°C, June runs +9.8°C.
June in Kotka averages a daytime high of 17.5°C and an overnight low of 9.1°C.
June runs +9.8°C compared to Kotka's annual average high of 7.6°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 17.5°C and cooler evenings around 9.1°C.