In June, Koszalin typically sees daytime highs of 20.6°C and overnight lows around 9.2°C. Compared to the annual average high of 11.8°C, June runs +8.8°C.
June in Koszalin averages a daytime high of 20.6°C and an overnight low of 9.2°C.
June runs +8.8°C compared to Koszalin's annual average high of 11.8°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 20.6°C and cooler evenings around 9.2°C.