July in Round Rock averages a daily high of 35.6°C with nights around 22.9°C. Expect roughly 5.4 wet days totalling 80.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Round Rock is February–April.
Based on AUSTIN GREAT HILLS, TX US (13.4km), 1995–2024. 17 years of July data.