Events Calendar

December 2025

Sun 7

Swim Lesson Lottery

Monday, Dec. 1, 2025 - Sunday, Dec. 7, 2025

Recreation Center 310 Quail Rd., Longmont, CO, United States

Sun 7

Longmont Swim Instructor Class (LSI)

Saturday, Dec. 6, 2025 · 9 am - Sunday, Dec. 7, 2025 · 3 pm

Centennial Pool 1201 Alpine St, Longmont, Colorado, United States

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

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

Longmont Lights Holiday Parade

Saturday, Dec. 13, 2025 · 5 pm - 7 pm

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

Mon 15

Youth Basketball League Registration Deadline

Monday, Dec. 15, 2025

Recreation Center 310 Quail Rd., Longmont, CO, United States

Wed 31

Noon Year’s Eve Ice Skating Party

Wednesday, Dec. 31, 2025 · 11:30 am - 12:30 pm

Longmont Ice Pavilion 725 8th Ave., Longmont, CO

January 2026

Thu 1

New Year’s Zumba® Dance Party

Thursday, Jan. 1 · 1 pm - 2:30 pm

Recreation Center 310 Quail Rd., Longmont, CO, United States

Fri 30

Itty Bitty City Preschool Playtime (1/30/2026)

Friday, Jan. 30 · 9 am - 11 am Itty Bitty City Preschool Playtime Series

Memorial Building 700 Longs Peak Ave., Longmont, CO, United States

Fri 30

Nature Friday at Sandstone Ranch (1/30/2026)

Friday, Jan. 30 · 9 am - 12 pm

Sandstone Ranch Visitors Center 3001 Sandstone Dr., Longmont, CO, United States

February 2026

Wed 4

Summer Day Camp Registration Begins

Wednesday, Feb. 4 · 7 am - 8 pm

Memorial Building 700 Longs Peak Ave., Longmont, CO, United States

Thu 5

CO Folsom Archaeology Interactive Talk

Thursday, Feb. 5 · 6 pm - 7:30 pm

Sandstone Ranch Visitors Center 3001 Sandstone Dr., Longmont, CO, United States

Fri 6

Itty Bitty City Preschool Playtime (2/6/2026)

Friday, Feb. 6 · 9 am - 11 am Itty Bitty City Preschool Playtime Series

Memorial Building 700 Longs Peak Ave., Longmont, CO, United States

Sat 7

Windows to Wellness

Saturday, Feb. 7 · 9 am - 2 pm

Longmont Senior Center 910 Longs Peak Ave., Longmont, CO, United States   +1 more

Explore new ways to feel your best at the free Windows to Wellness Health Fair.

Sat 7

Nature Exploration with the Rangers

Saturday, Feb. 7 · 10 am - 11:30 am

Sandstone Ranch Visitors Center 3001 Sandstone Dr., Longmont, CO, United States

Fri 13

Lifeguard Training

Friday, Feb. 13 · 8 am - 6 pm

Centennial Pool 1201 Alpine St, Longmont, Colorado, United States

Fri 13

Itty Bitty City Preschool Playtime (2/13/2026)

Friday, Feb. 13 · 9 am - 11 am Itty Bitty City Preschool Playtime Series

Memorial Building 700 Longs Peak Ave., Longmont, CO, United States

Fri 13

Nature Friday at Sandstone Ranch (2/13/2026)

Friday, Feb. 13 · 9 am - 12 pm

Sandstone Ranch Visitors Center 3001 Sandstone Dr., Longmont, CO, United States

Sat 14

Valentine’s Day Late Skate

Saturday, Feb. 14 · 4:30 pm - 6:30 pm

Longmont Ice Pavilion 725 8th Ave., Longmont, CO

Fri 20

Itty Bitty City Preschool Playtime (2/20/2026)

Friday, Feb. 20 · 9 am - 11 am Itty Bitty City Preschool Playtime Series

Memorial Building 700 Longs Peak Ave., Longmont, CO, United States