The full moon December 2025 horoscope brings one of the most mentally stimulating and emotionally illuminating lunar events of the year. On Saturday, December 6, 2025, at 5:13 a.m. Eastern Time, the final full moon of the year—traditionally called the Cold Moon—will reach its peak in the zodiac sign Gemini.
Visible across the United States from the night of December 5 through December 7, this bright winter full moon closes out the lunar cycle for 2025. For astrologers and skywatchers alike, it marks a time of release, clarity, and new understanding before the start of a fresh year.
The Meaning of the December 2025 Cold Moon
December’s full moon takes its name from ancient northern cultures that used it to mark the start of the long winter cold. In astronomy, it’s the final full moon before the winter solstice, which occurs on December 21, 2025.
In astrology, this full moon will occur in Gemini, the sign of communication, adaptability, and curiosity. Its opposition to the Sun in Sagittarius creates a cosmic tension between information and intuition—between gathering facts and finding deeper meaning.
This Gemini full moon invites reflection on what has been learned during 2025 and encourages honest conversations to clear emotional or mental clutter before entering 2026. It also coincides with a significant celestial event: Mercury’s direct station in Sagittarius on December 7, meaning communication breakdowns that may have caused confusion in late November will now begin to resolve.
Astronomical Details for the December 2025 Full Moon
| Detail | Information |
|---|---|
| Full Moon Name | Cold Moon |
| Date | December 6, 2025 |
| Time (Eastern) | 5:13 a.m. EST |
| Zodiac Sign | Gemini (14°) |
| Illumination | 100% visible on December 5–6 |
| Moonrise (Eastern U.S.) | 4:32 p.m. on December 5 |
| Moonset | 7:20 a.m. on December 6 |
| Closest Visible Nights | December 5, 6, and 7 |
The moon will appear large and luminous across the sky for several nights. In many regions of the United States, its light will reflect off snow or frost-covered landscapes, giving the sky a silvery glow often associated with December’s Cold Moon.
Astrological Overview: The Gemini–Sagittarius Axis
The Gemini full moon opposite the Sagittarius Sun activates themes of thought, truth, travel, and connection. Gemini, ruled by Mercury, governs communication, learning, and curiosity, while Sagittarius, ruled by Jupiter, oversees belief, growth, and philosophy.
Together, these energies challenge people to think critically about what they believe and why. The full moon’s light encourages introspection: Are your thoughts aligned with your values? Are you communicating honestly—with yourself and others?
The Gemini influence makes this lunation especially social, favoring conversations, reunions, and mental breakthroughs. However, because Mercury turns direct the next day, emotions and information may feel heightened. It’s best to pause before reacting impulsively.
Planetary Influences Around the Full Moon
Several planetary alignments during the December 2025 full moon add depth to its meaning:
- Mercury Direct (Dec. 7, Sagittarius) – The end of Mercury’s retrograde lifts confusion, delays, and miscommunication. Expect clearer thinking and more productive conversations.
- Mars in Leo – Brings confidence and creative drive, but can also spark impatience.
- Venus in Scorpio – Deepens emotional intensity and passion in relationships.
- Saturn in Pisces – Encourages reflection and realistic goal-setting as 2025 closes.
- Neptune Direct in Pisces – Strengthens intuition and artistic inspiration.
This combination of mental clarity (Gemini), emotional depth (Scorpio and Pisces), and motivation (Leo) makes the December 2025 full moon ideal for creative expression, releasing old patterns, and setting intentions for 2026.
Full Moon December 2025 Horoscope for Each Zodiac Sign
Aries (March 21 – April 19)
The Gemini full moon lights up your communication zone, Aries. Expect breakthroughs in writing, speaking, or education. Important news may arrive that changes your plans for the new year. Avoid rushing decisions—take time to verify details.
Taurus (April 20 – May 20)
For Taurus, this full moon focuses on finances and self-worth. You may receive clarity about income, savings, or shared resources. It’s a powerful time to finalize a budget or eliminate unnecessary expenses before 2026 begins.
Gemini (May 21 – June 20)
This is your full moon, Gemini, and it brings personal revelation. You’ll feel energized to express yourself authentically. Old habits or relationships that no longer reflect who you are should be released now. Expect renewed motivation for your 2026 goals.
Cancer (June 21 – July 22)
Cancer, this moon highlights introspection and emotional healing. Rest, recharge, and allow yourself quiet time to process the past year. Your dreams may be especially vivid—keep a journal nearby to capture intuitive messages.
Leo (July 23 – August 22)
This full moon shines on your friendships and social networks, Leo. A community project may come to completion, or you could reconnect with old friends. Collaboration brings rewards, but balance social commitments with self-care.
Virgo (August 23 – September 22)
Career matters reach a turning point, Virgo. The Gemini moon illuminates your public image and achievements. Recognition or new opportunities could arrive. Stay open to leadership roles and avoid overanalyzing praise—accept success gracefully.
Libra (September 23 – October 22)
For Libra, the full moon activates your learning and travel sector. It’s a time to expand your horizons through study, writing, or new experiences. Plans for 2026 may involve education, publishing, or long-distance opportunities.
Scorpio (October 23 – November 21)
Deep emotional transformation continues for Scorpio. Shared finances, inheritance, or partnership matters may surface. This full moon encourages trust and honesty. Let go of fears around control—vulnerability can strengthen your connections.
Sagittarius (November 22 – December 21)
Relationships take center stage, Sagittarius. This moon helps you see both sides of an important partnership. Clear communication brings harmony, especially as Mercury turns direct in your sign. Express love and gratitude openly.
Capricorn (December 22 – January 19)
Your focus turns to health and daily habits, Capricorn. The Gemini full moon highlights the need for balance. Simplify your routines and prioritize wellness. Small adjustments now will set a strong foundation for 2026.
Aquarius (January 20 – February 18)
This full moon lights up your creativity and joy, Aquarius. Romantic sparks or artistic inspiration could surface unexpectedly. Allow yourself to play, create, and embrace spontaneity before the year closes.
Pisces (February 19 – March 20)
Home and family take precedence, Pisces. The Gemini full moon encourages reconnection with loved ones or closure on domestic matters. It’s a good time to redecorate or make your space more peaceful before the holidays.
Emotional and Spiritual Themes
The December 2025 full moon in Gemini carries an air of movement and adaptability. Emotionally, people may feel restless or eager for change. Yet beneath the surface, this moon also offers clarity—a chance to organize one’s thoughts before the year ends.
Spiritually, the Cold Moon encourages release. As the last full moon of the year, it asks us to let go of lingering doubts or conflicts that prevent forward motion. Its placement in Gemini makes journaling, meditation, or open conversation especially healing practices.
Because Mercury rules Gemini, words hold power under this moon. Affirmations, letters, and even honest dialogues can have lasting impact. It’s a reminder that closure often comes through communication, not silence.
How to Work with the December Full Moon Energy
Harnessing the full moon’s energy can be both practical and spiritual. Simple rituals and mindful actions can help align with its influence:
- Reflect and release: Write down what you’re ready to let go of from 2025, then safely discard the paper.
- Communicate clearly: Reach out to people you’ve lost touch with or resolve misunderstandings.
- Declutter mentally: Avoid information overload—focus on meaningful conversations and purposeful plans.
- Journal your insights: Gemini energy amplifies thought. Capture new ideas or reflections for 2026.
- Spend time under the moonlight: Step outside during moonrise on December 5 or 6 to ground yourself.
These small acts can create a sense of closure and renewal before entering the new year.
Skywatching in the United States
The Cold Moon will appear spectacular across much of the U.S. The best viewing will occur on the night of Friday, December 5, when the nearly full moon rises in the east shortly after sunset.
- East Coast: The moon will rise around 4:30 p.m. EST and reach its peak illumination just before dawn.
- Midwest: Visible from approximately 4:50 p.m. CST, appearing high in the sky by midnight.
- West Coast: Moonrise will occur near 5:20 p.m. PST, glowing through the evening hours.
Photographers and astronomy enthusiasts can capture its brilliance as it moves across winter’s clear night skies. Binoculars will reveal surface details like craters and the contrasting “seas” of the lunar surface.
The Cold Moon as a Symbol of Renewal
Symbolically, the December full moon represents both an ending and a beginning. Its appearance before the solstice mirrors the natural cycle of rest before rebirth.
For many, this lunar event offers a moment to pause, take inventory of the year’s lessons, and prepare emotionally for what lies ahead. Gemini’s influence ensures that reflection is not heavy but enlightening—a reminder that curiosity and communication can lead to healing. Full Moon December 2025 Horoscope
The full moon December 2025 horoscope marks a turning point between reflection and renewal. As the Cold Moon rises, its light encourages honesty, connection, and the courage to move into 2026 with a clear heart and open mind.