Events Calendar

December 2025

Wed 10

Wednesday, Dec. 10, 2025 · 6 pm - 7 pm Beginner English Practice Series

Beginner English Practice (12/10/2025)

Longmont Public Library 355 Emery St., Longmont, CO, United States

Become more confident and comfortable speaking English. Practice groups are guided by Library staff.

Wed 10

Wednesday, Dec. 10, 2025 · 6 pm - 11 pm

Planning & Zoning Commission Special Meeting

City Council Chambers 350 Kimbark Street, Longmont, Colorado

Thu 11

Thursday, Dec. 11, 2025 · 9 am - 8 pm

Friends of the Longmont Library (FOLL) Book Sale

Longmont Public Library 355 Emery St., Longmont, CO, United States

Thu 11

Thursday, Dec. 11, 2025 · 9:15 am - 2:15 pm Discovery Days Art Series

Discovery Days Art (12/11/2025)

Longmont Museum 400 Quail Rd., Longmont, CO, United States

Thu 11

Thursday, Dec. 11, 2025 · 11:30 am - 1:15 pm

The Library @ the Longmont Senior Center / La Biblioteca en el Centro para Personas Mayores de Longmont

Thu 11

Thursday, Dec. 11, 2025 · 1 pm - 2 pm Spanish-English Conversation Group Series

Spanish-English Conversation Group (12/11/2025)

Longmont Public Library 355 Emery St., Longmont, CO, United States

Get to know other language learners while practicing conversations in Spanish or English.

Thu 11

Thursday, Dec. 11, 2025 · 3:30 pm - 7:30 pm

Visit with Santa at the Callahan House

Explore the historic home, see the decorations and visit with Santa at the historic Callahan House in Longmont, CO

Thu 11

Thursday, Dec. 11, 2025 · 4 pm - 5 pm

Teen Taste Test: Fall and Winter Treats

Get a taste for something new this summer. We’ll taste test different treats from around the world in this program. Participants will have an opportunity to sample different flavored treats, rank their favorites, and compare with others.

Thu 11

Thursday, Dec. 11, 2025 · 4 pm - 5 pm Glam Group Series

Glam Group (12/11/2025)

Longmont Youth Center 1050 Lashley St., Longmont, CO, United States

Thu 11

Thursday, Dec. 11, 2025 · 4 pm - 5 pm Youth Original Recording Studio Series

Youth Original Recording Studio (12/11/2025)

Longmont Youth Center 1050 Lashley St., Longmont, CO, United States

Thu 11

Thursday, Dec. 11, 2025 · 4 pm - 8:30 pm

Art & Sip: Alcohol Ink Sunrise

Longmont Museum 400 Quail Rd., Longmont, CO, United States

Thu 11

Thursday, Dec. 11, 2025 · 6 pm - 7:30 pm

Vision Zero Task Force Meeting

Longmont Senior Center 910 Longs Peak Ave., Longmont, CO, United States

Thu 11

Thursday, Dec. 11, 2025 · 7 pm - 9 pm

Short Films from the 2025 Boulder International Film Festival Pt. II

Longmont Museum 400 Quail Rd., Longmont, CO, United States

Our second round of shorts made by filmmakers from across the globe as selected for inclusion in the 2025 Boulder International Film Festival. 

Fri 12

Friday, Dec. 12, 2025 · 9 am - 8 pm

Friends of the Longmont Library (FOLL) Book Sale

Longmont Public Library 355 Emery St., Longmont, CO, United States

Fri 12

Friday, Dec. 12, 2025 · 9:15 am - 2:15 pm Discovery Days Art Series

Discovery Days Art (12/12/2025)

Longmont Museum 400 Quail Rd., Longmont, CO, United States

Fri 12

Friday, Dec. 12, 2025 · 2:30 pm - 4:30 pm

Friday Afternoon Concert: Flatirons Jazz Orchestra

Longmont Museum 400 Quail Rd., Longmont, CO, United States

Join us as we go back in time and enjoy a swinging afternoon with this traditional 18-piece big band.

Fri 12

Friday, Dec. 12, 2025 · 4 pm - 5 pm All Out League Series

All Out League (12/12/2025)

Longmont Youth Center 1050 Lashley St., Longmont, CO, United States

Fri 12

Friday, Dec. 12, 2025 · 5 pm - 8 pm

Longmont Lights Holiday Festival

Roosevelt Park 700 Longs Peak Ave., Longmont, CO, United States

Sat 13

Saturday, Dec. 13, 2025 · 9 am - 5 pm

Friends of the Longmont Library (FOLL) Book Sale

Longmont Public Library 355 Emery St., Longmont, CO, United States

Sat 13

Saturday, Dec. 13, 2025 · 9:15 am - 2:15 pm Discovery Days Art Series

Discovery Days Art (12/13/2025)

Longmont Museum 400 Quail Rd., Longmont, CO, United States