With all the christmassy vibes, the list of December 2025 events in Gillette only keeps increasing. Check out all the festivals, parties and events happening in Gillette in December to embrace all the party vibes. Find out all that you are looking for from the curated list of December 2025 events in Gillette and make the festive vibes count!
Campbell County Public Library - Recommended scavenger starting point or other city spot of your choice! (YOU MUST USE PDF TICKETS EMAILED FOR EVENT- NO MOBILE APP OR QR CODES ACCEPTED)
