In August, Olsztyn typically sees daytime highs of 22.1°C and overnight lows around 11.2°C. Compared to the annual average high of 11.0°C, August runs +11.1°C.
August in Olsztyn averages a daytime high of 22.1°C and an overnight low of 11.2°C.
August runs +11.1°C compared to Olsztyn's annual average high of 11.0°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 22.1°C and cooler evenings around 11.2°C.