April in Round Rock averages a daily high of 26.1°C with nights around 13.1°C. Expect roughly 6.8 wet days totalling 68.6mm. Comfortable conditions for being outdoors all day.
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 April data.