Popsugar Living Space When to Watch Every Full Moon in 2021 There Will Be Lots of Full Moons in 2021 — Here's When You Can Catch Them January 8, 2021 by Julia Duda View On One Page Photo 5 of 12 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 5 May 26 — Full Flower Moon By May, the weather starts to get much warmer and flowers blossom everywhere, hence the name flower moon. The flower moon will be visible on May 26 in 2021. Previous Next Start Slideshow SpaceAstrologyAstronomical Events