July in Greeley averages a daily high of 33.5°C with nights around 15.5°C. Expect roughly 7.2 wet days totalling 40mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Greeley is September–October.
Based on GREELEY UNC, CO US (2.5km), 1995–2024. 28 years of July data.