Things To Do In Denver In June 2025. The denver chalk art festival, usually held in june, transforms larimer square into a colorful outdoor art gallery. There’s nothing like a good rooftop bar on a hot summer day, and denver has got you covered with some stunning mountain and skyscraper views.

In this list, you will find a complete overview of all the most fun and exciting events in june. Things to do fall & winter free things to do this fall festivals & events valentine’s day martin luther king day st.