Rainbow Mountain in December

Rainbow Mountain, or Vinicunca, has become one of the most photographed natural wonders in Peru. Located in the Andes near Cusco, this vibrant, striped peak is a must-see for adventurous travelers. But what is it really like to hike Rainbow Mountain in December?

December marks the start of the rainy season, and that changes many aspects of the experience—from trail conditions to crowd levels. In this guide, we’ll explore everything you need to know about visiting Rainbow Mountain in December, including weather, visibility, packing tips, and whether it’s still worth the trip.

Is December a Good Time to Visit Rainbow Mountain?

Pros and Cons of Visiting in December

While Rainbow Mountain in December presents some unique challenges, it also offers unexpected advantages.

✅ Pros:

• Fewer tourists: Enjoy the trail with more space and peace.

• Lush landscapes: The surrounding valleys turn bright green with new vegetation.

• Milder temperatures: The cold is less intense compared to June or July.

❌ Cons:

• Rain and snow are more frequent and can limit visibility.

• Trail conditions are slippery and muddy.

• Colors may appear muted if the mountain is covered in snow or clouds.

What Is the Weather Like in Rainbow Mountain in December?

December is the beginning of the wet season in the Peruvian Andes.

• Average daytime temperatures: 7°C to 12°C (45°F to 54°F)

• Nighttime temperatures: Drop below freezing at higher elevations

• Rainfall: Expect frequent showers and possible snowfall

• Humidity: High, with cloudy skies and lower sun exposure

It’s important to understand that the weather can change quickly. You may start your hike under sunshine and encounter sleet or hail 30 minutes later.

Will I See the Colors of Rainbow Mountain in December?

This is one of the most common questions.

The colorful layers of Rainbow Mountain—caused by mineral deposits—are best visible under clear skies. In December, rain, fog, or snow can obscure the stripes.

However:

• If you catch a clear window, the colors can be just as stunning.

• Snowfall may partially cover the mountain, offering unique, postcard-like contrast.

• Some travelers say the mist adds a magical atmosphere to the trek.

Pro Tip:

Go early in the morning or wait for a weather window. Many tour guides will monitor conditions in real-time to adjust departure times accordingly.

How Difficult Is the Rainbow Mountain Hike in December?

The hike to Rainbow Mountain is considered moderately challenging, but December adds extra difficulty due to weather.

• Trail length: Approx. 7 km (4.3 miles) round trip

• Altitude: The summit is at 5,200 m (17,060 ft) above sea level

• Terrain: Muddy, rocky, sometimes icy in December

Because of the high altitude, many hikers feel shortness of breath or fatigue. In wet conditions, the path becomes slippery and more physically demanding.

Tips for Hiking Rainbow Mountain in December

1. Book a Reliable Tour

Choose an agency that monitors weather forecasts and offers flexible schedules. Look for:

• Emergency oxygen

• Trained guides

• Option to rent a horse if needed

2. Dress in Layers

Bring clothes that keep you dry and warm:

• Waterproof jacket and pants

• Thermal base layers

• Wool socks and gloves

• Waterproof hiking boots

3. Pack Essentials

Don’t forget:

• Rain poncho

• Sunscreen (UV rays are strong even when cloudy)

• Hat and sunglasses

• Walking sticks

• Coca leaves or altitude sickness pills

4. Acclimatize First

Spend at least 2 days in Cusco or the Sacred Valley before the hike to adjust to the altitude.

What’s the Best Time of Day to Visit Rainbow Mountain in December?

The earlier, the better.

Most tours leave Cusco around 4:00 a.m. to reach the trail by 7:00–8:00 a.m. This helps:

• Avoid heavier afternoon rains

• Get the best light for photos

• Beat any weather shifts that occur later in the day

Keep in mind that the weather forecast for the day can influence your departure time—flexibility is key.

Is It Safe to Visit Rainbow Mountain in December?

Generally, yes—but extra caution is needed.

Risks:

• Slippery slopes from rain or snow

• Possible altitude sickness

• Hypothermia if improperly dressed

Safety Tips:

• Travel with a professional guide

• Check daily weather reports before you go

• Turn back if weather worsens rapidly

• Stay hydrated and avoid alcohol the night before

What to Expect on the Tour in December

The Itinerary:

• 4:00 a.m.: Pickup from your hotel in Cusco

• 7:00 a.m.: Breakfast near the trailhead

• 8:00–8:30 a.m.: Begin the hike

• 10:00–11:00 a.m.: Reach the summit of Rainbow Mountain

• 12:00–1:00 p.m.: Return to the base

• 2:00 p.m.: Lunch in a local village

• 5:00 p.m.: Arrival back in Cusco

This timeline can change slightly depending on road conditions, weather, or group speed.

Is the ATV Tour a Better Option in December?

If you’re not confident hiking in the rain, consider the Rainbow Mountain ATV tour. You’ll ride up most of the way, reducing walking distance to about 1 km.

Advantages:

• Less physical effort

• Better if the trail is too muddy

• Good for families or older travelers

Just be aware that ATV tours may be canceled during heavy rain or snow, as the road becomes impassable.

What Are the Alternatives to Rainbow Mountain in December?

1. Palccoyo Mountain

Known as the “easy Rainbow Mountain,” Palccoyo offers:

• Three colorful mountains

• Gentler elevation (4,900 m / 16,000 ft)

• Shorter hike (1-hour round trip)

• Fewer tourists and less risk of bad visibility

2. Red Valley

Often added as an optional extension after Rainbow Mountain, Red Valley is stunning in the rainy season when its colors deepen with moisture. Just make sure the trail isn’t too slippery to continue.

Frequently Asked Questions: Rainbow Mountain in December

Will Rainbow Mountain be closed in December?

No, it remains open year-round. However, tours may be canceled last minute due to bad weather or safety concerns.

What if it rains during my hike?

Light rain is common, so guides prepare for it. In heavy storms, the hike may be delayed, shortened, or rerouted.

Can I go without a tour?

Technically yes, but not recommended in December. Conditions change quickly, and local guides know how to adapt.

Will I get altitude sickness?

It’s possible. Take time to acclimate in Cusco and drink coca tea. Consider altitude medication if you’ve had issues before.

Final Thoughts: Should You Visit Rainbow Mountain in December?

Rainbow Mountain in December is not for everyone—but for the adventurous, it can be a rewarding experience. If you’re willing to embrace a bit of rain and uncertainty, you’ll find lush landscapes, quiet trails, and a different kind of beauty than the typical dry-season traveler sees.

However, preparation is key. Choose your tour wisely, pack properly, and be ready for sudden weather changes. The magic of the Andes doesn’t stop in the rain—and sometimes, it even shines through it.