Back-to-back supermoons are rare. 2025 will have 3 in a row.

Look up this fall and you’ll notice something unusual: every full moon will appear bigger and brighter than usual. That’s because the last three months of 2025 bring a rare streak of back-to-back supermoons , when the moon’s full phase aligns with the point in its orbit closest to Earth.

On October 6, November 5, and December 4, the “harvest,” “beaver,” and “cold” moons will all rise as supermoons—forming a three-month run that skywatchers rarely get to see. Here’s what you need to know.

What makes a moon “super”?

The moon doesn’t orbit Earth in a perfect circle—it follows a stretched, egg-shaped path. That means there are times each month when the moon is a little closer to Earth, a point called perigee, and times when it is farther away, at apogee. At perigee, the moon can be about