July in Tlaxcala averages a daily high of 25.1°C with nights around 10.5°C. Expect roughly 17 wet days totalling 133.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Tlaxcala is November–March.
Based on TLAXCALA DE XICONTECATL DGE, MX (0.6km), 1995–2024. 17 years of July data.