December is packed with festive, family-friendly, and totally free events across the Denver metro — perfect for enjoying the season without spending a dime. From open-air holiday celebrations to museum free days, theatre previews, and community arts, here’s what’s happening this month.
Wednesday, December 3
Buffalo Bill Museum and Grave — Golden, CO
10AM–5PM
Enjoy free admission at the Buffalo Bill Museum and Grave, offered the first Wednesday of each month from November through April. Groups of 10 or more are encouraged to make a reservation. If you need a sign language interpreter or CART services, the museum can request support from the City of Denver.
The Upstart Crow Theatre Company — Boulder, CO
7PM–9PM
Catch a free open dress rehearsal of A Few Good Men. This behind-the-scenes look at the production process is a fun way to experience live theatre in an intimate setting.
Friday, December 5
Youth On Record — Denver, CO
4PM–8PM
Youth Open Mic: a welcoming, supportive space for emerging young artists. Whether it’s your first performance or your fiftieth, this event offers prizes, food, drinks, and a crowd ready to cheer you on. Friends and family are encouraged to attend.
City of Lakewood Heritage, Culture & Arts — Lakewood, CO
5PM–8PM
Lakewood Lights brings holiday magic to the community with festive displays and seasonal fun. A perfect outing to welcome winter.
Monday, December 8
Denver Museum of Nature & Science — Denver, CO
9AM–5PM
Explore one of Denver’s most beloved museums for free. From space to dinosaurs to gems and minerals, there’s something for everyone.
Tuesday, December 9
Denver Art Museum — Denver, CO
10AM–8PM
Enjoy free general admission all day long. Dive into the museum’s galleries, hands-on activities, and new exhibitions at no cost.
Thursday, December 11
Denver Botanic Gardens: Plains Conservation Center — Aurora, CO
10AM–3PM
Visit this Aurora-based center to learn about the prairie ecosystem and Colorado’s cultural history. Managed in partnership with Denver Botanic Gardens, this free day is a great educational outing for families and nature lovers.
Sunday, December 14
Brightonmusic Choir and Orchestra — Brighton, CO
4PM–6PM
Enjoy a free holiday concert featuring jazz, orchestra, and choir performances. A festive way to spend a winter afternoon.
Friday, December 19
Mizel Institute: CELL Museum — Denver, CO
10AM–4PM
Take advantage of an SCFD Free Day at the Counterterrorism Education Learning Lab (CELL). Explore thought-provoking exhibits that highlight public safety and global security.
Four Mile Historic Park — Denver, CO
10AM–4PM
Enjoy free general admission to this historic Denver landmark. Explore the park, visit with farm animals, and step into Colorado’s early history.
Tuesday, December 30
Colorado Chamber Players — Thornton, CO
4PM–5PM
Harp for the Holidays brings a soothing, seasonal concert to the TrailWinds Rec Center. A beautiful, musical way to close out the year.
Plan Your Free December
December is full of opportunities to explore, learn, celebrate, and get into the holiday spirit — all without the cost. Be sure to check each organization’s website before you go for the latest updates or reservation requirements.
Want more Denver events? Sign up HERE for posts straight to your inbox.
