August in Las Cruces averages a daily high of 34.4°C with nights around 20.1°C. Expect roughly 7.9 wet days totalling 38.2mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Las Cruces is March–April.
Based on STATE UNIVERSITY, NM US (3.8km), 1995–2024. 30 years of August data.