Gear for Hiking in the Rain: What to Pack for Colorado Storms
The gear for hiking in the rain comes down to nine pieces: a waterproof jacket, rain pants, a way to keep your pack dry, dry bags for your phone and electronics, wool or waterproof socks, gaiters, waterproof gloves, a brimmed hat, and a non-cotton layering system. Get those right and a Colorado afternoon storm turns from a day-ender into a 30-minute inconvenience. Get them wrong and you're hiking out cold, wet, and shivering, which above treeline is how a fun day becomes a dangerous one.
Colorado makes this easy to plan for because the rain is so predictable. From early July through mid-September, the monsoon builds afternoon thunderstorms almost daily, usually between 1 and 3 PM. You know the rain is coming. The only question is whether you packed for it. The list below is the full kit, ranked by how much it matters, with honest notes on what's worth the money and what you can leave home.
The one piece you can't skip: a real waterproof rain jacket. Everything else on this list is comfort. The jacket is safety.
Check rain jacket prices on Amazon
What You'll Learn
- What Gear Do You Need for Hiking in the Rain?
- Rain Jacket: The One Non-Negotiable
- Rain Pants: When You Actually Need Them
- Keeping Your Pack Dry
- Footwear and Socks for Wet Trails
- The Small Stuff That Saves the Day
- What to Wear: Layering for Rain
- Timing Colorado's Monsoon and Lightning
- What You Can Skip
- Frequently Asked Questions
What Gear Do You Need for Hiking in the Rain?
Here's the whole kit in one place, so you can pack it in five minutes the night before:
- Waterproof rain jacket (10,000 mm rating or higher)
- Rain pants for sustained rain, wind, or shoulder season
- Pack cover or pack liner to keep your gear dry
- Dry bags or zip-top bags for phone, keys, and electronics
- Wool or waterproof socks plus the right footwear approach
- Gaiters to keep water out of your boots
- Waterproof gloves or rain mitts for cold, wet hands
- A brimmed hat or warm beanie to keep rain off your face and heat in
- A non-cotton layering system (merino base plus a fleece)
Not every hike needs all nine. A short summer day hike below treeline might only call for the jacket, a pack cover, and dry socks. A high alpine day in September, when a storm can turn to sleet, wants the full list. The trick is matching the kit to the forecast and the elevation, which we'll get to at the end.
Rain Jacket: The One Non-Negotiable
If you buy one thing on this list, buy a real waterproof shell. Not a "water-resistant" wind layer, not a $40 hardware-store poncho jacket. Look for a hydrostatic head rating of 10,000 mm (often written "10K") or higher. That's the lab number for how hard the fabric resists water pressure before it leaks, and cheaper 5K jackets soak through in a genuine Colorado downpour.
Two features matter beyond waterproofness. Pit zips, so you can dump heat while climbing without opening the front and letting rain in. And a hood that cinches down and turns with your head instead of sliding off. Everything else is marketing. We break down seven specific models, from a 5.7-ounce ultralight shell to a bombproof 3-layer workhorse, in our guide to the best rain jackets for Colorado hiking.
One habit matters more than the jacket you pick: put it on at the first drops, not after you're already wet. A rain shell keeps dry skin dry. It can't warm up a soaked base layer. At the first patter or the first distant thunder, stop, shell up, and keep moving.
Shop waterproof rain jackets on Amazon
Rain Pants: When You Actually Need Them
Rain pants are the piece most day hikers skip, and for a mid-summer afternoon shower below treeline, skipping them is fine. Your legs generate heat, and quick-dry hiking pants shrug off a short storm. But three situations flip rain pants from optional to smart:
Sustained rain. Once a storm settles in for an hour instead of 20 minutes, wet legs start pulling real heat, especially with wind.
Wind above treeline. Cold rain driven sideways at 12,000 feet is a different animal than a warm sprinkle in the trees. That's where wet legs slide toward hypothermia.
Shoulder season. May, late September, and October storms can drop to sleet or snow, and bare wet legs in 38-degree wind is genuinely risky.
You don't need premium rain pants. A simple pair with full or half-length side zips (so you can pull them on over boots without taking your shoes off) does the job. If you already own insulated or convertible hiking pants, a lightweight rain shell over them covers most Colorado conditions.
Shop hiking rain pants on Amazon
Keeping Your Pack Dry
Your rain jacket protects you. It does nothing for the dry layers, food, and sleeping bag inside your pack, and most "water-resistant" packs wet out in a real storm. You have three ways to fix that, and the best hikers use two at once.
A pack cover is the elastic-hemmed shell that stretches over the outside of your pack. It's cheap, fast, and sheds most rain, but wind lifts it and water still runs down your back into the top. Good as a first line, not a guarantee.
A pack liner is the better bet. It's a waterproof bag (a heavy-duty trash-compactor bag works, or a purpose-made liner) that goes inside your pack. You pack your gear into the liner, roll the top shut, and everything inside stays dry no matter what the outside does. Liners weigh almost nothing and never blow off.
For the things that absolutely cannot get wet, add a couple of small dry bags. Down jacket in one, dry socks and base layer in another. That way even if everything else fails, your emergency warm layer is bone dry when you need it most.
Shop pack covers and liners on Amazon
Footwear and Socks for Wet Trails
There are two schools of thought on wet-weather footwear, and both work.
Waterproof boots (Gore-Tex lined) keep water out in shallow puddles and light rain, which is great right up until water pours in over the cuff or you cross a stream. Then the same membrane that kept water out traps it in, and you're hiking in a swamp. Waterproof boots shine on short, muddy, cool-weather hikes.
Non-waterproof trail runners get wet fast but drain and dry just as fast, which many long-distance hikers prefer for summer. They're lighter and cooler, and wet-then-dry beats wet-and-stays-wet on a hot day.
Whichever you pick, the real MVP is your socks. Merino wool keeps insulating even when damp and fights blisters and odor, which is why we recommend it in our hiking sock guide. Pack a spare dry pair in a zip bag. Swapping into dry socks at lunch, or after a storm passes, resets your whole day. For serious wet-cold, waterproof socks worn over a thin liner are a real option. If you're still choosing boots, start with our Colorado hiking boot picks.
The Small Stuff That Saves the Day
None of these weigh much. Together they're the difference between miserable and comfortable.
Gaiters. Low trail gaiters seal the gap between your pants and boots, keeping rain, mud, and grit out of your shoes. On overgrown or muddy Colorado trails they pay for themselves fast.
Waterproof gloves or rain mitts. Cold, wet hands go numb quickly at altitude, and numb hands can't work zippers or poles. A light pair of waterproof gloves or shell mitts over liner gloves fixes it.
A brimmed hat. A ball cap or brimmed hat under your hood keeps rain off your glasses and out of your eyes so you can actually see the trail. In cold rain, swap for a warm beanie.
Zip-top bags. A couple of gallon zip bags weigh nothing and keep your phone, car key, permits, and snacks dry. A dedicated waterproof phone pouch is nicer, but a plain zip bag works in a pinch.
A pack towel. A small microfiber towel wipes down your face, hands, and glasses, and dries the inside of your car seat on the drive home.
What to Wear: Layering for Rain
The gear only works if what's underneath it works. The one rule that matters: no cotton. A cotton t-shirt or hoodie soaks up rain and sweat, stops insulating, and holds cold water against your skin for hours. Hikers call it "the death cloth" for a reason, and in cold Colorado rain that's not entirely a joke.
Build three layers instead. A merino wool or synthetic base layer next to your skin wicks sweat and keeps insulating when damp, which is exactly what you want under a shell that traps some moisture. Our merino base layer guide covers weights and picks. Over that, a light fleece or active-insulation mid-layer for warmth you can add or shed. On top, your rain shell.
The reason this beats one thick waterproof layer is control. Climbing generates heat, so you vent the pit zips and maybe stuff the fleece in your pack. When you stop for lunch and cool off fast, you add the fleece back. Cotton gives you no options. A layered non-cotton system lets you fine-tune your temperature all day, which in changeable mountain weather is the whole game. For a full head-to-toe breakdown, see what to wear hiking in Colorado.
Timing Colorado's Monsoon and Lightning
Gear handles rain. Timing handles the thing rain gear can't: lightning. And in Colorado, lightning kills far more hikers than cold rain does.
The monsoon pattern is your friend here because it's so regular. Storms build in the afternoon, so the fix is simple and old as the mountains: start early and be heading down by noon. On a summit or high ridge, plan to be off the exposed high point by 11 AM to 12 PM in monsoon season. That single habit avoids most of the danger.
If a storm catches you high anyway, the rain jacket is not the priority, getting down is. Count the gap between a lightning flash and its thunder. Less than 30 seconds (about six miles) means the storm is close enough to be a real threat, and you should already be descending off ridges, summits, and open meadows toward lower, less exposed ground. Rain gear keeps you comfortable while you move. It does nothing against a strike. For how fast Colorado high-country weather turns, our Longs Peak weather guide is a sobering read, and the same logic applies on any Colorado 14er.
What You Can Skip
Not every "waterproof" product earns a spot in your pack.
Ponchos. They flap in the wind, snag on brush, and leave your arms and back exposed when the rain goes sideways. A fitted jacket beats a poncho in real mountain weather every time.
Umbrellas. They work surprisingly well on calm, low-elevation trails, and some hikers love them. But in Colorado's afternoon wind they turn into a sail, and holding one above treeline during a lightning storm is a genuinely bad idea. Leave it for mellow forest walks.
"Waterproofing" every single item. You don't need a waterproof everything. A pack liner plus one dry bag protects what matters for a fraction of the weight and cost of waterproof stuffsacks for all your gear.
Heavy 3-layer shells for summer day hikes. Unless you hike year-round or carry a heavy pack that shreds light fabric, a 6-to-10-ounce packable shell handles 90 percent of Colorado summer storms. Save the bombproof jacket for shoulder season.
Spend the money you save on merino socks and a good pack liner instead. Those two do more for your comfort in the rain than an expensive jacket upgrade.
Frequently Asked Questions
What should I wear hiking in the rain?
Wear a non-cotton base layer, a light fleece for warmth, and a waterproof rain jacket rated 10,000 mm or higher. Add rain pants for sustained rain or wind, plus wool socks and a brimmed hat. Skip cotton entirely, since it holds cold water against your skin and stops insulating when wet.
Are waterproof boots or trail runners better for rain?
Both work. Waterproof boots keep out puddles and light rain but trap water once it pours over the cuff. Non-waterproof trail runners get wet fast but drain and dry quickly, which many summer hikers prefer. The socks matter more than the shoes, so pack a dry merino spare either way.
How do I keep my backpack dry in the rain?
Use a pack liner inside your bag (a waterproof bag or heavy trash-compactor bag you pack your gear into) as the main defense, since it never blows off. Add an external pack cover as backup and small dry bags for your down layer, phone, and spare socks. That combination keeps gear dry through any Colorado storm.
Is it safe to hike in the rain in Colorado?
Rain itself is manageable with the right gear, but Colorado's afternoon lightning is the real hazard. Start early, aim to be off summits and exposed ridges by noon in monsoon season, and descend immediately if thunder follows a flash by less than 30 seconds. Cold rain is a comfort problem; lightning is a life-safety one.
Do I really need rain pants for a summer day hike?
Usually no, for a short shower below treeline. Quick-dry hiking pants handle brief summer rain fine. Pack rain pants when the forecast shows sustained rain, when you'll be above treeline in wind, or in shoulder season when storms can turn to sleet and wet legs pull dangerous amounts of heat.
Pack It Once, Trust It All Season
Build your rain kit once and leave it packed. A waterproof jacket, a pack liner, dry socks in a zip bag, and a merino base layer live in your bag from July through September, and you'll never scramble the night before a hike again. Match the extras (rain pants, gaiters, gloves) to the elevation and forecast, start early to beat the lightning, and Colorado's daily storms become part of the scenery instead of a reason to stay home. Next up, dial in the rest of your kit with our Colorado hiking beginner's guide.
Get the Colorado 14er Packing Checklist (free PDF)
Plus a weekly note on the best Colorado trails, gear deals, and seasonal hike picks. No spam, unsubscribe anytime.
We respect your inbox. Unsubscribe anytime.
