July in Cheyenne averages a daily high of 29.3°C with nights around 13.5°C. Expect roughly 10.2 wet days totalling 52.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Cheyenne is June.
Based on CHEYENNE WSFO AIRPORT, WY US (1.8km), 1995–2024. 30 years of July data.