June in Rowlett averages a daily high of 32.5°C with nights around 20.5°C. Expect roughly 7.6 wet days totalling 104mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Rowlett is March–April.
Based on LAVON DAM, TX US (16.4km), 1995–2024. 17 years of June data.