What to Wear in Colorado in the Summer (Cute + Practical Outfit Ideas)
Colorado summers are one of those things that sound simple in theory and then completely confuse visitors once they arrive.
Is it hot?
Is it cold?
Do you need a jacket?
Can you wear sandals?
The short answer: yes, all the above.
Summer in Colorado is beautiful, sunny, and full of outdoor adventures, but the weather changes constantly depending on elevation, time of day, and even which side of the mountain you’re on. You might start the morning in a sweatshirt, hike in a tank top by noon, and end the day wrapped in a jacket on a patio.
The good news? Once you understand how to dress for it, packing becomes much easier!
This guide covers exactly what to wear in Colorado during the summer, plus outfit ideas for hiking, exploring mountain towns, going out to dinner, and everything in between.
Also, hi there! My name is Sydney and welcome to my blog, The Après Society! I cover a variety of travel and skiing related topics, as these are my passions in life, and I am so excited and fulfilled to be writing about them. I hope this blog makes your life just a little bit better either with travel hacks, outfit inspiration, or just pure entertainment.
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Understanding Colorado Summer Weather
Before packing your outfits, it helps to understand how Colorado weather actually works in the summer.
The biggest factors are elevation and daily temperature swings. And do NOT underestimate this!
Denver sits around 5,000 ft above sea level, while mountain towns like Breckenridge and Aspen are closer to 9,000 feet.
That difference makes temperatures vary dramatically.
Typical summer temps look like this:
Morning: 50–60°F
Afternoon: 75–90°F (very sunny)
Evening: 55–65°F
On top of that, afternoon thunderstorms are common, especially in the mountains.
This is why locals swear by one rule:
Layers are everything!!!
You want pieces that are lightweight, comfortable, and easy to add or take off throughout the day.
The Colorado Summer Style Vibe
Colorado fashion is a little different than other destinations. As a girly girl who loves to dress up herself, this is my one *pain point* with Denver fashion, but nonetheless, it’s how people dress here.
People care far less about being overly dressed up and much more about comfort, functionality, and outdoor readiness.
Even in the nicer restaurants you’ll see people wearing:
• Casual dresses
• Hiking shoes
• Athleisure
• Denim shorts
The overall vibe is what I like to call “outdoor casual.”
Think:
• Cute, but also comfortable
• Practical, but still stylish (most of the time haha)
If your outfit can go from a coffee shop to a hike to a brewery patio, you’re doing it right in Denver!
Essential Summer Clothing for Colorado
Before getting into full outfit ideas, here are the core pieces you should always pack.
Lightweight Jacket
Even if the forecast says 85 degrees, you will almost always need a jacket at some point.
Good options include:
• Denim jacket
• Casual jacket
• Windbreaker
Even summer nights in mountain towns can feel chilly.
Comfortable Sneakers or Hiking Shoes
Colorado trips involve a lot more walking than people expect.
Between exploring towns, scenic hikes, and wandering farmers markets, comfortable shoes are non-negotiable.
A good pair of:
• Athletic sneakers
• Trail runners
• Casual hiking shoes
Casual Dresses
Summer dresses are perfect in Colorado because they’re easy and breathable.
They work great for:
• Brunch
• Exploring towns
• Outdoor concerts
• Brewery patios
And you can always throw on a jacket if the temperature drops.
I love Abercrombie’s bra-free collection, especially this dress & this dress for easy outfit ideas.
Denim Shorts or Casual Shorts
A pair of good denim shorts is basically a Colorado summer staple.
You’ll see them everywhere from:
• downtown Denver
• mountain towns
• hiking trails
• casual restaurants
They pair easily with tank tops, tees, or lightweight sweaters which make them great for packing if you’re thinking in “capsule wardrobe” terms.
Activewear
Even if hiking isn’t the main purpose of your trip, chances are you’ll still end up doing something active.
Colorado summers are all about outdoor adventures like:
• hiking
• paddleboarding
• biking
• scenic walks
Having a couple pairs of leggings or athletic shorts makes things much easier.
Summer Outfit Ideas for Colorado
Now let’s get into actual outfits you can wear during your trip.
Casual Exploring Outfit
This is the outfit you’ll probably wear the most.
Perfect for:
• coffee runs
• walking around town
• visiting shops
• casual sightseeing
Outfit idea:
• Denim shorts
• White tank top or tee
• Casual jacket or denim jacket
• White sneakers
• Sunglasses
This look fits perfectly in places like Boulder or Telluride where the vibe is very casual but still stylish.
Cute Mountain Town Outfit
Mountain towns have a very specific aesthetic that mixes outdoorsy with cozy.
Think slightly rustic but still put together.
Outfit idea:
• Flowy summer dress
• White sneakers or sandals
• Oversized sweater or casual jacket
• Crossbody bag
This works great for strolling through places like Vail or Steamboat Springs.
Brewery Patio Outfit
Colorado is famous for its craft beer scene, and spending an afternoon at a patio brewery is practically a summer ritual.
Outfit idea:
• Bike shorts or denim shorts
• Oversized graphic tee
• Sneakers
• Baseball hat
• Cardigan
Places like Fort Collins are especially known for their brewery culture.
Dinner Outfit
Even nicer restaurants in Colorado are still relatively casual compared to bigger cities.
A cute but relaxed outfit works best.
Outfit idea:
• Midi dress
• Sweater over your shoulders
• Sandals or white sneakers
• Simple jewelry
This is perfect for dinner in towns like Aspen where the vibe is upscale but still relaxed.
What to Wear Hiking in Colorado
If hiking is on your itinerary, dressing correctly can make a huge difference.
The key is sun protection and temperature flexibility.
A good hiking outfit includes:
• Athletic shorts or leggings
• Breathable tank top
• Lightweight long sleeve layer
• Hiking shoes
• Hat and sunglasses
Even in summer, higher elevation hikes can feel cool in the morning, but they can heat up with the intense sun!
ALSO! Don’t forget your sunscreen 🙂
What to Wear to Colorado Hot Springs
Hot springs are another classic Colorado activity.
Popular places like Strawberry Park Hot Springs or Iron Mountain Hot Springs are amazing year-round.
What to bring:
• Swimsuit
• Flip flops
• Simple cover up
• Small towel
• Hair tie
Pro tip: evenings at hot springs can get chilly, so bring a sweatshirt.
Accessories That Make a Big Difference
Sunglasses
The Colorado sun is extremely bright, especially at higher elevations. Don’t forget your SPF too!
Hat
A baseball hat or wide brim hat helps protect against sunburn at altitude.
Crossbody Bag
Perfect for exploring towns without carrying a bulky purse.
Reusable Water Bottle
Staying hydrated is essential at altitude.
What NOT to Wear in Colorado in the Summer
There are a few things that simply don’t work well for Colorado summer trips.
Heavy Fabrics
Thick jeans or heavy sweaters will feel too warm during the day.
Uncomfortable Shoes
You will walk much more than expected if you’re hiking and doing the “touristy” activities.
Overly Formal Clothing
Colorado is incredibly casual. Even upscale restaurants rarely require heels or formal attire. But if you want to wear heels or a nicer outfit, this is also welcomed in Colorado! It’s just more likely you’ll be overdressed than underdressed when packing for a Colorado trip.
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Packing List for Colorado Summer Trips
Here’s a simple packing checklist.
Tops
• Tank tops
• Casual t-shirts
• Lightweight sweater
Bottoms
• Denim shorts
• Athletic shorts
• Leggings
Dresses
• 2–3 casual summer dresses
Outerwear
• Denim jacket or flannel
• Lightweight jacket
Shoes
• Sneakers
• Hiking shoes
• Sandals
Accessories
• Sunglasses
• Hat
• Crossbody bag
This mix will allow you to create a variety of outfits for different activities. Also, if don’t forget a few cute outfits like below! A simple skort and halter top with a pair of cute boots is an easy Colorado summer outfit that’s cute, but also not so basic.
Final Thoughts: Colorado Summer Style
What to wear in Colorado in the summer really comes down to three things:
Layers, comfort, and versatility.
If your outfits are easy to adjust throughout the day and comfortable enough for spontaneous outdoor adventures, you’re doing it right.
Colorado summers have lots of sunshine, mountain views, patio dinners, and long days exploring incredible places!
With the right outfits packed, you’ll be ready to enjoy all of it — from morning hikes to sunset drinks in the mountains 🙂
For more style guides, view my blog page HERE!
This post contains links to affiliate websites, and I may receive an affiliate commission (at not cost to you!) for any purchases made by you using these links. I appreciate your support!
To view more style guides, visit my blog page HERE.
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