Monster Day Greeley - August 17, 2019

11 a.m. -8 p.m. in Downtown Greeley
Greeley Gremlin

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What is Monster Day?

It’s a family-friendly celebration of all things “monster!” With the debut of Greeley Gremlin, music, entertainment, face painting, costume contests, demonstrations, and more!
Don't Be A Monster

Don't Be a Monster

Proceeds from Monster Day will benefit Don’t Be A Monster, a 501(c)(3) nonprofit organization that offers unique and entertaining anti-bullying assemblies in schools for students in 4th-10th grade.
RSVP on Facebook

RSVP on Facebook

Help spread the word! Monster Day is a one-of-a-kind event that you don’t want to miss and you can see more updates on the Facebook event.

Want to be a sponsor?

Monster Day returns to downtown Greeley on Saturday, August 17, 2019. It’s a family-friendly celebration of all things “monster!” With the debut of Greeley Gremlin, music, entertainment, face painting, costume contests, demonstrations, and more. Monster Day wouldn’t be complete without live monsters roaming about! Greeley’s own famous monster makers, Distortions Unlimited, will have some of their creatures on display as well as live painting demonstrations.

Monster Day Greeley 2019 Costume Contest Photos

Part of the fun of Monster Day is all the people who come dressed up as their favorite monsters. This year's entrants in the costume contest did not disappoint! You can scroll through the entries posted on our Facebook page and "like" or "love" your favorites to help...

Monster Day Greeley 2019 Costume Contest

Monster Day Greeley 2019 Costume Contest

Monster Day will take over Downtown Greeley again on Saturday, August 17, 2019. There will be monsters and costumed actors everywhere, and YOU are invited to be a part of it. Whether is a store-bought costume, a handmade masterpiece, or even just your favorite monster...

Monster Day 2018 Photos

Monster Day 2018 Photos

Thanks to everyone who came out and helped make Monster Day 2018 an amazing experience! Scary, creepy, cute, fuzzy, gross, fun...we saw all kinds of monsters, and we can't wait to see even more in 2019! Enjoy a few photos we snapped and some of what other...

Monster Day Greeley 2018 Costume Contest Photos

Monster Day Greeley 2018 Costume Contest Photos

Monster Day Greeley is happening THIS Saturday, August 18, 2018, from 4 p.m. to 9 p.m. in Downtown Greeley. There will be creatures everywhere and 40+ costumed actors roaming the area, but we also want to see your costume creations, so come dressed up and celebrate monsters with us. We’ll hold the costume contest around 6 p.m. on the main stage to let our first 40 entries show off their hard work and have a chance to win amazing prizes from Distortions Unlimited!

Happy National Monster Day!

Happy National Monster Day!

According to the Internet, August 14 is National Monster Day! Could the timing be any better, with Monster Day Greeley set to take place this weekend? We think not. So, celebrate your favorite monster(s) and mark your calendars to join us for a HUGE...

Monster Day Greeley – August 18, 2018

Monster Day Greeley – August 18, 2018

The second annual Monster Day Greeley is almost here! The monstrous festivities will happen from 4 p. to 9 p.m. in Downtown Greeley on August 18, 2018. This year will be bigger, better, and have even more photo ops than last year! Check inside your closet,...

Monster Day Theme Song

Monster Day Theme Song

We think that Monster Day Greeley is the only local event with its own theme song and music video.  Check it out. Don't miss Monster Day on August 18 in Downtown Greeley!

Monster Blog