December 2025 New Moon. The new wolf moon will be the last new moon of autumn. See here the moon phases calendar for december 2025, the full moon, new moon for december 2025 including exact local times.

The cold moon is expected to be visible on december 15 and will be the last of 2024, marking the beginning of 2025 with the wolf moon on january 13. This month will begin on monday, december 1 st with a phase that will be illuminated.