May in Centennial averages a daily high of 20.6°C with nights around 5.8°C. Expect roughly 10.1 wet days totalling 57.6mm. 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 May data.