December 2025

Wed 10

Planning & Zoning Commission Special Meeting

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

City Council Chambers 350 Kimbark Street, Longmont, Colorado

Thu 11

Friends of the Longmont Library (FOLL) Book Sale

Thursday, Dec. 11, 2025 · 9 am - 8 pm

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

Thu 11

Discovery Days Art (12/11/2025)

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

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

Thu 11

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

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

Thu 11

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

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

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

Visit with Santa at the Callahan House

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

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

Thu 11

Teen Taste Test: Fall and Winter Treats

Thursday, Dec. 11, 2025 · 4 pm - 5 pm

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

Glam Group (12/11/2025)

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

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

Thu 11

Youth Original Recording Studio (12/11/2025)

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

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

Thu 11

Art & Sip: Alcohol Ink Sunrise

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

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

Thu 11

Vision Zero Task Force Meeting

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

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

Thu 11

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

Thursday, Dec. 11, 2025 · 7 pm - 9 pm

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

Friends of the Longmont Library (FOLL) Book Sale

Friday, Dec. 12, 2025 · 9 am - 8 pm

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

Fri 12

Discovery Days Art (12/12/2025)

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

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

Fri 12

Friday Afternoon Concert: Flatirons Jazz Orchestra

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

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

All Out League (12/12/2025)

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

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

Fri 12

Longmont Lights Holiday Festival

Friday, Dec. 12, 2025 · 5 pm - 8 pm

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

Sat 13

Friends of the Longmont Library (FOLL) Book Sale

Saturday, Dec. 13, 2025 · 9 am - 5 pm

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

Sat 13

Discovery Days Art (12/13/2025)

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

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

Sat 13

Ornaments & Keepsakes Big-Kids Day at Discovery Days

Saturday, Dec. 13, 2025 · 9:15 am - 2:15 pm

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