In July, Olsztyn typically sees daytime highs of 22.4°C and overnight lows around 11.4°C. Compared to the annual average high of 11.0°C, July runs +11.3°C.
July in Olsztyn averages a daytime high of 22.4°C and an overnight low of 11.4°C.
July runs +11.3°C compared to Olsztyn's annual average high of 11.0°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 22.4°C and cooler evenings around 11.4°C.