In June, Round Rock typically sees daytime highs of 32.9°C and overnight lows around 20.8°C. Compared to the annual average high of 25.8°C, June runs +7.1°C.
June in Round Rock averages a daytime high of 32.9°C and an overnight low of 20.8°C.
June runs +7.1°C compared to Round Rock's annual average high of 25.8°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 32.9°C and cooler evenings around 20.8°C.