In June, Ostroleka typically sees daytime highs of 22.6°C and overnight lows around 9.9°C. Compared to the annual average high of 11.9°C, June runs +10.7°C.
June in Ostroleka averages a daytime high of 22.6°C and an overnight low of 9.9°C.
June runs +10.7°C compared to Ostroleka's annual average high of 11.9°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 22.6°C and cooler evenings around 9.9°C.