June in Centennial averages a daily high of 27.8°C with nights around 11.5°C. Expect roughly 8 wet days totalling 52.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Centennial is May–June.
Based on DENVER CENTENNIAL AIRPORT, CO US (3.2km), 1995–2024. 26 years of June data.