Events Calendar

December 2025

Thu 11

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

Glam Group

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

Thu 11

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

Youth Original Recording Studio

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

Thu 11

Thursday, Dec. 11 · 4 pm - 8:30 pm

Art & Sip: Alcohol Ink Sunrise

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

Thu 11

Thursday, Dec. 11 · 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 · 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 · 9 am - 8 pm

Friends of the Longmont Library (FOLL) Book Sale

Longmont Library 409 4th Ave., Longmont, CO, United States

Fri 12

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

Discovery Days Art

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

Fri 12

Friday, Dec. 12 · 10 am - 10:30 am

All Ages Storytime

Longmont Library 409 4th Ave., Longmont, CO, United States

A 30-minute Friday fun storytime designed for children of all ages and their grown-ups!

Fri 12

Friday, Dec. 12 · 10:30 am - 11 am

All Ages Stay & Play

Longmont Library 409 4th Ave., Longmont, CO, United States

Join us for open play time for birth-4-year-olds and their caregivers. This program is in English. No registration necessary.

Fri 12

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

All Out League

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

Fri 12

Friday, Dec. 12 · 5 pm - 8 pm

Longmont Lights Holiday Festival

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

Sat 13

Saturday, Dec. 13 · 9 am - 5 pm

Friends of the Longmont Library (FOLL) Book Sale

Longmont Library 409 4th Ave., Longmont, CO, United States

Sat 13

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

Discovery Days Art

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

Sat 13

Saturday, Dec. 13 · 9:15 am - 2:15 pm

Ornaments & Keepsakes Big-Kids Day at Discovery Days

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

Sat 13

Saturday, Dec. 13 · 10:30 am - 11:30 am English Conversation Group Series

English Conversation Group

Longmont Library 409 4th Ave., Longmont, CO, United States

Practice English conversation with others in an informal, conversational setting. Some English experience suggested, but all welcome.

Sat 13

Saturday, Dec. 13 · 11 am - 11:30 am All Ages Storytime Series

All Ages Storytime

Longmont Library 409 4th Ave., Longmont, CO, United States

A 30-minute Saturday storytime designed for children of all ages and their grown-ups! Join us as we share picture books, move, dance and sing together.

Sat 13

Saturday, Dec. 13 · 5 pm - 7 pm

Longmont Lights Holiday Parade

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