Special days in December
December is a month filled with meaningful celebrations and festive moments that resonate with people across the globe. From international observances to heartwarming holidays, these special days offer endless inspiration for your newsletters. Here's a curated list of notable events in december:
| Event |
Date |
| Cyber Monday |
1 December |
| World AIDS Day |
1 December |
| Giving Tuesday |
2 December |
| National Cookie Day |
4 December |
| International Volunteer Day |
5 December |
| World Soil Day |
5 December |
| Second Sunday of Advent |
7 December |
| Green Monday |
8 December |
| Human Rights Day |
10 December |
| National Cocoa Day |
13 December |
| Hanukkah (Begins) |
14 December |
| National Maple Syrup Day |
17 December |
| Arabic Language Day |
18 December |
| International Migrants Day |
18 December |
| International Human Solidarity Day |
20 December |
| Christmas Eve |
24 December |
| Christmas |
25 December |
| Boxing Day |
26 December |
| New Year's Eve |
31 December |
December newsletter ideas
Here are some newsletter ideas you can experiment with, highlighting shopping events, and seasonal themes:
1. Cyber Monday
Falling on December 1st, Cyber Monday is one of the biggest online shopping days of the year, following the Black Friday rush. It celebrates the rise of e-commerce and offers shoppers exclusive digital deals.
In your newsletter, share limited-time offers, highlight bestsellers, or give loyal customers early access to online discounts.
Here is how Noom’s seasonal email captures the spirit of Cyber Monday by pairing a bold promotional offer with a friendly lifestyle image that supports the energy of a high-traffic online shopping day.

2. World AIDS Day
Observed each year on December 1st, World AIDS Day raises awareness of HIV/AIDS, honors those who have lost their lives, and supports efforts toward prevention and treatment. It’s a time to reflect on progress in global health and community care.
Your newsletter could include information about local initiatives, spotlight organizations working in HIV research or support, or encourage readers to participate in awareness campaigns.
3. Giving Tuesday
Celebrated on December 2nd, Giving Tuesday encourages generosity and community spirit after the busy shopping days of Black Friday and Cyber Monday. It’s a global movement that reminds people to give back.
Use your newsletter to highlight charities your brand supports, share volunteer opportunities, or inspire your audience with stories of giving.
The Patagonia newsletter image powerfully strengthen the Giving Tuesday concept by telling a compelling story of real-world impact. The focus on a specific environmental win with a partner nonprofit, Friends of the Everglades, provides tangible proof of how contributions lead to change.

4. National Cookie Day
Falling on December 4th, National Cookie Day is a sweet celebration of one of the world’s favorite baked treats. Bakeries, home cooks, and cookie lovers alike join in the fun.
In your newsletter, share a favorite cookie recipe, host a baking contest, or feature cookie-themed products for readers to enjoy.
Here is how Resy’s festive email captures the spirit of National Cookie Day by showcasing an illustrated gathering around a cookie-filled table and highlighting a box of unique treats that brings the celebration to life.

5. International Volunteer Day
Observed on December 5th, International Volunteer Day recognizes the efforts of volunteers worldwide and their positive impact on communities. It encourages everyone to find ways to contribute their time and skills.
Your newsletter could feature volunteer stories, showcase your company’s community initiatives, or provide tips for readers to get involved locally.
6. World Soil Day
Celebrated on December 5th, World Soil Day highlights the importance of healthy soil for food security, ecosystems, and climate stability. It raises awareness of sustainable land management practices around the globe.
In your newsletter, you could share tips for gardening or composting, spotlight sustainable farming initiatives, or discuss how soil health affects the environment.
7. Second Sunday of Advent
Falling on December 7th this year, the Second Sunday of Advent marks a moment of reflection and preparation during the Christian liturgical season leading up to Christmas. It emphasizes hope and spiritual anticipation.
Your newsletter might include reflective content, seasonal traditions, or ideas for family or community activities that align with the Advent spirit.
Lush has created a visually appealing holiday-themed newsletter featuring Advent calendars filled with colorful bath products and festive shapes. This highlights the sense of anticipation connected with Christmas season and encourages readers to engage with content.

8. Green Monday
Celebrated on December 8th, Green Monday is a major online shopping day in December, offering another opportunity for holiday deals and promotions. It encourages last-minute online purchases before mid-December.
In your newsletter, highlight special deals, feature top gift ideas, or provide a countdown for shipping deadlines to help customers plan.
The use of lush greenery and houseplant promotions in the GreenDigs newsletter visually reinforces the "Green" in Green Monday, making the sale feel thematic rather than generic. This approach not only appeals to eco-conscious consumers but also strengthens the brand's commitment to nature.

9. Human Rights Day
Observed on December 10th, Human Rights Day commemorates the adoption of the Universal Declaration of Human Rights. It serves as a reminder of the ongoing work needed to ensure equality, freedom, and justice for all.
Your newsletter could highlight human rights initiatives, share educational resources, or spotlight stories of individuals or organizations making a positive impact.
10. National Cocoa Day
Observed on December 13th, National Cocoa Day celebrates the rich, comforting drink enjoyed around the world, especially during the colder months. It’s a perfect time to enjoy and share warm cocoa recipes.
In your newsletter, you could share favorite cocoa recipes, suggest pairing ideas with baked goods, or promote cocoa-related products for readers to try.
12. Hanukkah (Begins)
Starting on December 14th this year, Hanukkah is an eight-day Jewish festival celebrating the rededication of the Second Temple in Jerusalem and the miracle of the oil. It’s marked by lighting the menorah, playing games, and sharing traditional foods.
Your newsletter could provide cultural insights, feature Hanukkah recipes, or highlight local events and traditions for readers to participate in.
Here is how AfterShokz’s warm email captures the spirit of Hanukkah by featuring a glowing menorah and thoughtful suggestions for sharing light, creating a gentle and inviting atmosphere that supports the meaning of the holiday.

13. National Maple Syrup Day
Falling on December 17th, National Maple Syrup Day honors the sweet, natural syrup produced from maple trees. It’s a nod to seasonal flavors and culinary traditions in many regions.
In your newsletter, share recipes using maple syrup, highlight products that feature it, or offer creative serving suggestions for the holidays.
14. Arabic Language Day
Celebrated on December 18th, Arabic Language Day promotes the richness, diversity, and cultural significance of the Arabic language. It raises awareness of linguistic heritage and encourages cross-cultural understanding.
In your newsletter, you could feature fun language facts, highlight Arabic literature or poetry, or celebrate local events that showcase Arabic culture.
15. International Migrants Day
Also observed on December 18th, International Migrants Day recognizes the contributions and rights of migrants worldwide. It emphasizes inclusion, respect, and understanding across communities.
In your newsletter, share stories of migrants making an impact, spotlight initiatives supporting migration rights, or offer educational content to foster awareness and empathy.
16. International Human Solidarity Day
Observed on December 20th, International Human Solidarity Day celebrates unity and the collective responsibility to address global challenges such as poverty, inequality, and social justice. It encourages collaboration and support across communities.
Your newsletter could highlight solidarity initiatives, share ways readers can contribute to global causes, or feature stories of communities coming together to make a difference.
17. Christmas Eve
Falling on December 24th, Christmas Eve is the night before Christmas, celebrated with family gatherings, festive meals, and traditions like tree decorating or gift exchanges. It’s a time of anticipation and reflection.
In your newsletter, provide last-minute holiday tips, gift ideas, or ideas for creating memorable family experiences during the season.
The Rifle Paper Co. newsletter captures the urgency of Christmas Eve with its bold "GO, GO, GO!" message and prominent countdown timer. The festive design, combined with a clear and generous discount, makes the newsletter feel like a helpful solution for readers, turning the stress of a tight deadline into an opportunity to save.

18. Christmas
Celebrated on December 25th, Christmas honors the birth of Jesus Christ and is widely observed as a cultural holiday with traditions including gift-giving, feasts, and decorations. It’s a season of joy, generosity, and togetherness.
Your newsletter could feature holiday recipes, gift guides, or stories that highlight the spirit of giving and community.
19. Boxing Day
Observed on December 26th, Boxing Day originated as a day to give gifts to service workers and has evolved into a major shopping and sporting day in several countries. It also remains a time for charitable acts and family gatherings.
In your newsletter, you might highlight post-Christmas sales, suggest charitable ways to spend the day, or share festive activity ideas for families.
The newsletter from Altitude sports uses a strong "last chance" message that fits the Boxing Day theme perfectly. It focuses on the urgency of post-holiday sales, encouraging readers to use gift cards or spend leftover holiday money.

20. New Year's Eve
Falling on December 31st, New Year’s Eve marks the final day of the year, celebrated with parties, countdowns, and traditions aimed at welcoming the new year with hope and reflection.
In your newsletter, provide tips for safe celebrations, share ideas for goal-setting or resolutions, or highlight events and activities to ring in the new year.
The OLIPOP newsletter works well for New Year's Eve because it focuses on looking back. It uses specific numbers and a friendly tone to thank customers for their role in the brand's story over the past year. This makes the reader feel valued and part of a community.

December campaign ideas
December being a holiday month can be leveraged to send offers, e-gift cards and other promotional stuff. Check this list out and get inspired:
1. Run a Secret Santa campaign
When Christmas eve is around the corner, you can run a campaign where folks can purchase gifts for their loved ones and send gift cards digitally through email. This idea can be implemented when you want to create urgency or push it to the people wanting to purchase something quickly right before Christmas Eve.
2. 12 days of holiday deals
When December rolls around, run a “12 Days of Deals” campaign where a different product or offer is highlighted each day leading up to Christmas or New Year. This keeps your audience engaged, encourages daily email opens, and builds excitement for limited-time offers.
You could send an email with the subject line “Day 3 of Our Holiday Deals – Don’t Miss Out!” The content would showcase that day’s featured deal, include a countdown timer, and have a clear call-to-action like “Grab Today’s Deal.”
3. Holiday bundles galore
Create curated gift bundles featuring multiple products sold together at a special price. Bundles make shopping easier for customers, encourage larger purchases, and showcase the convenience of ready-made gifts.
Send an email with the subject line “Holiday Essentials Bundles for Everyone on Your List.” Include images of the bundles, pricing, and a “Shop the Bundle” button. Highlight limited availability or special savings to motivate quicker purchases.
4. New year, new you
As the New Year approaches, you can promote products or services that help customers achieve their New Year goals, such as fitness, organization, or self-care. Position your offerings as tools for a fresh start to encourage timely purchases.
Send an email with the subject line “Kickstart Your New Year with These Essentials.” Highlight planners, wellness kits, or workout gear, include helpful tips for goal-setting, and add a limited-time discount to drive purchases.
Free shipping cheer
Offer limited-time free shipping during December to encourage purchases, especially for last-minute shoppers. This incentive can increase conversions and reduce hesitation at checkout.
Send an email under the subject “Holiday Shipping’s on Us” Include a visual countdown, highlight eligible products, and add a “Shop Now” button to create urgency.
A thank you note for the customers
The best way to send an year end newsletter is to create a thank you note that highlights the support, patience and love from your customers. You can wish them alot of prosperity for the coming year and show your gratitude for being an integral part of your community.
💡 Related guide: How to Write a Professional Thank You Email With Examples
Design festive newsletters faster with AI
December is one of the busiest times for marketers. Between wrapping up year-end campaigns, preparing sales emails, and sending out thank-you notes, designing every newsletter from scratch can slow you down.
With Mailmodo’s AI Template Generator, you can instantly create ready-to-edit newsletter templates for the holiday season. Just type something like “Christmas offer email” or “Year-in-review newsletter,” and the AI will suggest complete layouts, visuals, and content ideas that fit your festive theme

Your AI Assistant for Everything Email Marketing
Final takeaway
These were some amazing Christmas and year end December newsletter ideas that you can try to wrap up the year. These will help you create a strong connection with your customers and to make them await your next email. Here’s a Marketing Planner for 2025 that you can use to plan out the year ahead.