Colorado’s festival season ranks among the best in the country, offering an incredible variety of music events across genres, settings, and elevations. As summer transitions into fall, our state comes alive with celebrations of sound, attracting both locals and travelers. Whether you enjoy jazz, bluegrass, indie, or orchestral performances, there’s something for every musical taste. If you plan to attend a festival in mid-July or later in 2025, these five events are must-attend.
Colorado Music Festival: Boulder
When: 7/3-8/3
Where: Chautauqua Auditorium
Running from July 3 through August 3, the Colorado Music Festival in Boulder offers a full month of world-class classical performances at the historic Chautauqua Auditorium. Set against the dramatic backdrop of the Flatirons, this festival is as much about the experience as it is about the music. Concertgoers can enjoy a diverse range of musical experiences, including orchestral masterworks, new compositions, and special events such as family concerts and chamber recitals. The setting itself—nestled in Chautauqua Park—makes this a uniquely Boulder experience. With its blend of natural beauty and sophisticated programming, the Colorado Music Festival is an ideal choice for those seeking to combine culture with mountain air.
Underground Music Showcase: Denver
When: 7/25-27
Where: Denver’s South Broadway Corridor
Taking place from July 25 to 27 along Denver’s South Broadway corridor, the Underground Music Showcase (UMS) is one of the region’s biggest celebrations of independent music. Featuring over 200 artists across multiple venues, the festival is an energetic mix of local talent and national headliners. It’s more than just music—UMS captures Denver’s creative spirit with pop-up art shows, vendor markets, and community events spread throughout the weekend. With intimate venues ranging from dive bars to open-air stages, this festival offers nonstop discovery and a diverse lineup that breaks down genre boundaries.
RockyGrass Festival: Lyons
When: 7/25-27
Where: Planet Bluegrass
From July 25 to 27, RockyGrass takes over the scenic Planet Bluegrass Ranch in Lyons. Tucked alongside the St. Vrain River, this festival is a longstanding favorite among bluegrass fans from across the country. It’s known for its carefully curated lineup, which in past years has included legends like Del McCoury and breakout stars like Molly Tuttle. Attendees often bring inner tubes to float in the river during the day, then gather on the lawn for stunning acoustic sets under the stars. With on-site camping and a tight-knit festival community, RockyGrass offers a rootsy, relaxing weekend that feels both timeless and fresh.
Telluride Jazz Festival: Telluride
When: 8/8-10
Where: Town Park
Each summer, the Telluride Jazz Festival turns this usually quiet mountain town into a lively, soulful celebration of music, culture, and community. Located in the heart of the San Juan Mountains, this three-day event is one of the most scenic and popular jazz festivals in the country. In 2025, the festival will return to Telluride Town Park from August 8 to 10, bringing together legendary artists, emerging stars, and music fans from diverse backgrounds.
Telluride Blues & Brews Festival: Telluride
When: 9/12-14
Where: Town Park
Love Telluride? You’ll get another opportunity to enjoy a wonderful musical experience there before the year ends! As summer transitions into fall, the Telluride Blues & Brews Festival offers one of the most breathtaking festival settings in the country. From September 12 to 14, Telluride hosts a lineup of blues legends, rock staples, and genre-crossing artists, all set against the backdrop of the San Juan Mountains. Past performers include Gary Clark Jr., Bonnie Raitt, and Thundercat, providing a diverse musical experience that’s further enhanced by the top-quality craft brews available. Attendees can sample beers from numerous regional breweries while relaxing on the grass or dancing at sunset. The blend of music, scenery, and ambiance makes this a true Colorado experience.
Whether you’re after intimate chamber music or lively jam sessions, Colorado’s late summer and fall festivals create unforgettable experiences in equally memorable locations. With a bit of planning—and perhaps some sunscreen and a jacket—you can turn your passion for music into a one-of-a-kind Colorado adventure.