In June, Ostrava typically sees daytime highs of 21.6°C and overnight lows around 10.7°C. Compared to the annual average high of 12.5°C, June runs +9.0°C.
June in Ostrava averages a daytime high of 21.6°C and an overnight low of 10.7°C.
June runs +9.0°C compared to Ostrava's annual average high of 12.5°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 21.6°C and cooler evenings around 10.7°C.