In August, Koszalin typically sees daytime highs of 21.7°C and overnight lows around 11.3°C. Compared to the annual average high of 11.8°C, August runs +9.9°C.
August in Koszalin averages a daytime high of 21.7°C and an overnight low of 11.3°C.
August runs +9.9°C compared to Koszalin's annual average high of 11.8°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 21.7°C and cooler evenings around 11.3°C.