In June, Olomouc typically sees daytime highs of 20.6°C and overnight lows around 10.4°C. Compared to the annual average high of 11.4°C, June runs +9.2°C.
June in Olomouc averages a daytime high of 20.6°C and an overnight low of 10.4°C.
June runs +9.2°C compared to Olomouc's annual average high of 11.4°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 20.6°C and cooler evenings around 10.4°C.