April in Houston averages a daily high of 26.4°C with nights around 16.6°C. Expect roughly 7.7 wet days totalling 92.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Houston is February–April.
Based on HOUSTON WILLIAM P HOBBY AIRPORT, TX US (15.2km), 1995–2024. 30 years of April data.