May kicks off with May Day blooms and often ends with Memorial Day long-weekend plans, but the month has plenty of lesser-known reasons to celebrate in between. As we continue our little-known holiday series, here are five quirky May holidays that bring equal parts fun, flavor, and feel-good energy to spring’s grand finale.
World Password Day — First Thursday in May
Not glamorous, but wildly useful. Take ten minutes to upgrade your digital life: turn on two-factor authentication, swap weak passwords for longer passphrases, and use a password manager so you’re not naming everything “Spring2026!” If you want to make it weirdly satisfying, do a “security sweep” playlist and treat yourself to a Coke once you’re done.
National Space Day — First Friday in May
May is prime time for looking up. Celebrate with a backyard stargazing session, a visit to a planetarium, or a documentary night featuring rockets, rovers, and jaw-dropping nebulae. Kids (and adults) can build paper rockets, learn a few constellations, or track the International Space Station overhead for a quick dose of wonder.
National Straw Hat Day — May 15
A tiny holiday with big main-character energy. Break out the straw hat, embrace the sunshine, and lean into spring style—picnic blanket, lemonade, and all. Host a “hat parade” with friends, take cheesy photos in a park, or thrift the most dramatic wide-brim you can find. The goal is simple: dress like you have somewhere charming to be.
National Talk Like Yoda Day — May 21
Because why not, we celebrate. Speak in inverted sentences, you should. Text your friends “A Coke, I need,” and deliver your work updates like a tiny green philosopher. Pair it with a Star Wars rewatch, a trivia night, or a themed snack spread (blue milk smoothies, anyone?). Mild chaos, this day invites.
National Scavenger Hunt Day — May 24
Before summer fully arrives, turn your weekend into an adventure. Make a list (something purple, a funny street sign, a bird feather, the best snack at a gas station), split into teams, and set a timer. Keep it simple with a neighborhood walk or go full competitive with photo challenges and a prize for the winners. It’s the easiest way to make an ordinary afternoon feel like a movie montage.
May is already a mood—longer days, lighter jackets, and the sense that anything can happen. These hidden holidays give you excuses to secure your accounts, stare at the stars, wear a ridiculous hat, talk like a Jedi master, and sprint around town on a scavenger mission. Spring may be ending, but your calendar doesn’t have to.