When Is The Supermoon 2025 Time. Next month, december 2025's full moon will be fainter and further away by roughly 6,000 miles. The eleventh and penultimate full moon 2025 — the “beaver moon” — will also be the fourth and final “supermoon” of 2025.

Last month’s supermoon was 2,800 miles (4,500 kilometers) closer,. The last supermoon of 2025, also known as the beaver moon, will peak at its biggest and brightest around 4:29 p.m.