The next year when there will be a full moon on Halloween (October 31) is 2039. Halloween full moons occur roughly once every 19 years on average, and the next one after 2025 is not until 2039. The full moon on Halloween in 2025 does not occur; the closest full moon in October 2025 is on October 6 (Harvest Moon).
In summary:
- Full moon on Halloween is quite rare, about every 19 years.
- The next full moon on Halloween will be in 2039.
- 2026 has a full moon on October 25, but not on Halloween itself.
Therefore, the next year with a full moon on Halloween is 2039.