July in Lafayette averages a daily high of 33.2°C with nights around 24°C. Expect roughly 14.2 wet days totalling 162mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Lafayette is February–April.
Based on LAFAYETTE REGIONAL AIRPORT, LA US (4.1km), 1995–2024. 30 years of July data.