# Events & Things To Do in Diamond Bar in December 2026 - **Subtitle**: Find events and things to do in december 2026 in Diamond Bar. Discover parties, concerts, meets,shows, sports, club, reunion, Performance happening in 2026 in Diamond Bar. - **Category**: december - **Display Name**: Events in December - **Type**: time_filter ## Audience - **Followers**: 2.5k+ - **Recent Followers**: - **Avatar 1**: https://cdn-az.allevents.in/events6/banners/206ef240-9192-11f0-9168-03be264ad628-rimg-w200-h200-dc494c4a-gmir - **Avatar 2**: https://cdn-az.allevents.in/events3/banners/ccc039e33b56d4ff9560c9c57813c077794efde95aefe6a695c35950a5c08274-rimg-w200-h200-dc040615-gmir?v=1760487605 - **Avatar 3**: https://cdn-az.allevents.in/events10/banners/308deb20-993c-11f0-ab8d-87fbb9ca99d8-rimg-w200-h200-dcbec3c5-gmir ## About With all the christmassy vibes, the list of December 2026 events in [CITY] only keeps increasing. Check out all the festivals, parties and events happening in [CITY] in December to embrace all the party vibes. Find out all that you are looking for from the curated list of December 2026 events in [CITY] and make the festive vibes count! ## Trending Events in Diamond Bar - **Event Name**: ASUS ROG 20th Anniversary: @ Newegg Gamer Zone - **Description**: Join ASUS ROG and Newegg to celebrate 20 years of gaming with hands-on demos, next-gen hardware, and exciting giveaways.About this EventBuild. Game. Celebrate.About - **Venue**: Newegg Gamer Zone - **Banner**: https://cdn-az.allevents.in/events10/banners/2f8993c0b57e6bacabc3c0534377e97fa08ff1608720fdc77ba0fb1451a750d4-rimg-w1200-h600-dc020304-gmir.jpg?v=1776245193 - **Event Name**: Diamond Bar Golf Course Mother's Day Brunch - **Description**: Diamond Bar Golf Course is BACK! Bring your Mama Bears over for a delicious Mother's Day Brunch, and a good time!About this EventCelebrate Mom in style at Diamond Bar Golf Course’s Mother’s Day Brunch - **Venue**: 22751 Golden Springs Dr - **Banner**: https://cdn-az.allevents.in/events6/banners/afb1728c0a722b89e7c46d6e22d9ee0a47f2bd26cecf3a26763f3ae2c517e4b4-rimg-w943-h621-dc7a5f46-gmir.jpg?v=1776387033 - **Event Name**: 2026 Diamond Bar Community Wellness Day - **Description**: Join us for a fun day of health tips, activities, and good vibes at 2026 Diamond Bar Community Wellness Day!About this EventJoin Us for the 2026 Diamond Bar Community Wellness Day! - **Venue**: Diamond Bar High School - **Banner**: https://cdn-az.allevents.in/events6/banners/b20ec8f556b6b9aba7fee743e0d0db2f05982df99679ebeabd534cefc4a8b399-rimg-w1200-h600-dceef6fe-gmir.jpg?v=1775452316 - **Event Name**: War at Fairplex - **Description**: 🎉 Welcome to War at Fairplex, where the impossible becomes possible and dreams take flight! 🏛️ Join us at Fairplex in the heart of Diamond Bar, CA for an event that will redefine your ex - **Venue**: Fairplex - **Banner**: https://cdn-az.allevents.in/events6/banners/32722d40-3926-11f1-ac5d-f37c7b595dcd-rimg-w1200-h675-dce84829-gmir.png?v=1776297164 - **Event Name**: 4-Day Data Science with Python Bootcamp in Diamond Bar, CA - **Description**: Join our 4-Day Data Science with Python bootcamp! Learn data analysis, ML basics, and work on real-world projects.About this EventData Analytics Certification Training – Become a Job-Ready Data Analy - **Venue**: 1370 Valley Vista Dr - **Banner**: https://cdn-az.allevents.in/events6/banners/2cee2f777b565929bfbf5d0ae32e53e6230024e77b5c766d1de5a88fc2e37127-rimg-w1200-h675-dc294672-gmir.jpg?v=1773866238 - **Event Name**: Workshop: Composting 101 (Diamond Bar) - **Description**: Learn how to turn your kitchen scraps into garden gold at our fun, hands-on composting workshop in Diamond Bar!About this EventWorkshop: Composting 101 (Diamond Bar)Ready to turn your kitchen scraps int - **Venue**: City of Diamond Bar - **Banner**: https://cdn-az.allevents.in/events8/banners/bdba86a92b43a421fb81ab62a72d1816b194332e5ce664275d42c154dfda28d5-rimg-w1200-h675-dc2e2f2e-gmir.jpg?v=1771028192 - **Event Name**: Inland Valley Event Professionals Quarterly Networking Mixer - **Description**: Sow the seeds of connection Join us for a spring networking mixer filled with great vibes, cocktails, and meaningful connections.About this EventJoin Inland Valley Event Professionals for a fresh and inspiring spring net - **Venue**: Diamond Bar Golf Course - **Banner**: https://cdn-az.allevents.in/events8/banners/cd7970c204cbdfa551c07eb94b2eb3f7fcf9188569c19e008b8fb33bfda18d25-rimg-w1080-h1350-dcebede0-gmir.jpg?v=1775773108 - **Event Name**: Emerging Employment and Labor Law Trends - **Description**: This seminar is important for business/organization owners, Human Resources professionals, Administration, and related job areas.About this EventJoin us for our 2026 2nd Quarter Seminar! - **Venue**: Diamond Bar Center - **Banner**: https://cdn-az.allevents.in/events2/banners/96a5f83890e8055a3c4fd1da2dbbaddcddca401798e7de22f31883a01b75eff5-rimg-w922-h926-dcffffff-gmir.jpg?v=1775340397 - **Event Name**: Certified Ethical Hacker – Practical Ethical Hacker in Diamond Bar, CA - **Description**: Learn cybersecurity skills in our Certified Ethical Hacker training. Hands-on labs to become a skilled ethical hacker.About this EventLearn Ethical Hacking: Certified Ethical Hacker (CEH) Training Bo - **Venue**: 1370 Valley Vista Dr - **Banner**: https://cdn-az.allevents.in/events10/banners/1db56ac6c03bc0b5f71cb23c6fd900359433cf4784ad3b4039ed0380d6cb2918-rimg-w1200-h675-dc1e427b-gmir.jpg?v=1775131474 ## Browse december Events by Date - [december Events Today in Diamond Bar](https://allevents.in/diamond-bar/december--today) - [december Events This Weekend in Diamond Bar](https://allevents.in/diamond-bar/december--this-weekend) - [december Events in April in Diamond Bar](https://allevents.in/diamond-bar/december--april) - [december Events in May in Diamond Bar](https://allevents.in/diamond-bar/december--may) ## FAQs - **Q**: How can I find december events in Diamond Bar? - **A:** You can discover upcoming december events in Diamond Bar on AllEvents.in. Browse by date, venue, or price to find events that match your interests. - **Q**: How do I buy tickets for december events in Diamond Bar? - **A:** You can buy tickets directly through AllEvents.in. Many events offer online booking with options for free, paid, and early-bird tickets. - **Q**: Are there any online december events available? - **A:** Yes, many december events are available online. You can filter for virtual events on AllEvents.in to attend from anywhere. - **Q**: How can I get notified about new december events in Diamond Bar? - **A:** Follow the december category on AllEvents.in to get notified when new december events are listed in Diamond Bar. ## Category Banner - **Banner Image**: https://cdn2.allevents.in/transup/82/a98b50bf1846e29396d05ea079f063/Chicago-6.webp - **Mobile Banner**: https://cdn2.allevents.in/transup/24/dd47438d2a4d838c7d104bde77e4e6/december.webp ## Events in December from nearby cities - [Events in December in Pomona](https://allevents.in/pomona/december) - [Events in December in Claremont](https://allevents.in/claremont/december) - [Events in December in Brea](https://allevents.in/brea-us/december) - [Events in December in Ontario](https://allevents.in/ontario/december)