About Us
Site Map
Contact Us
CuscoPeru agencia de viajes en cusco
Vista de la montaña de colores

Climate of the Sierra

Tourists riding horses through the highlands of Peru.
Peruvian Highlands

In the Peruvian highlands, there are two climatic seasons: the dry season, from April to October, characterized by sunny days, very cold nights, and no rain, which is usually the most recommended time to travel; and the rainy season, from November to March, when rainfall is abundant.

Departments of the Peruvian Highlands

In the north lies Cajamarca, with its cool climate and pre-Columbian history, inviting visitors to discover its hot springs and delicious cuisine. Áncash has a mountain region surrounded by snow-capped peaks and offers a cool climate. In La Libertad, the climate ranges from warm to cool in the mountains.

In the center lies Huánuco, with a temperate climate and attractions such as the Kotosh Archaeological Complex; Pasco, with its cold high-altitude climate and the city of Cerro de Pasco; Junín, with its cool and rainy climate, is home to the Biosphere Reserve; and Huancavelica, with its cold mountain climate, colonial history, and highland landscapes.

In the south lies Ayacucho, with its temperate climate and rich artisan tradition, which dazzles visitors with its colonial churches and deep religious fervor. Apurímac, with its temperate climate, offers adventures in the Apurímac Canyon. Cusco is known for its mild climate and archaeological sites. Puno, meanwhile, surprises travelers with its cold climate and the mysterious Lake Titicaca. Arequipa, with its sunny and dry climate, captivates visitors with its colonial architecture and the impressive Colca Canyon.

Tourists admiring Sacsayhuamán during the dry season in the Peruvian highlands.
Sacsayhuamán is located in the city of Cusco

The Natural Regions of Peru

Quechua (temperate zone)

These are temperate lands stretching across both slopes of the Andes, at an altitude between 2,300 and 3,500 m.a.s.l., with temperatures ranging from 10 °C to 20 °C.

Suni (cool temperate zone)

At an altitude between 3,500 and 4,000 m.a.s.l., it has a cool, dry climate. Its average annual temperature ranges from 7 °C to 11 °C, while precipitation comes in the form of rain and hail, especially between January and March. 

Puna (cold zone)

Located between 4,000 and 4,000 m.a.s.l., it has a cold, dry, frigid climate with average annual temperatures between 0 °C and 7 °C, as well as a strong thermal variation between sun and shade, and between day and night.

Janca (very cold zone)

Located between 4,800 and 6,768 m.a.s.l., it is characterized by below-freezing temperatures most of the time, constant solid precipitation, and a very dry atmosphere. 

Tourists hiking in the Peruvian Andes and admiring the climate of the Peruvian highlands.
The Salkantay snow-capped peak is located in the very cold zone

Seasons of the Year in the Highlands

In the Peruvian highlands, the seasons of the year are characterized by two main periods: the rainy season and the dry season. These seasons are closely linked to the climatic changes experienced across the highland region throughout the year and are very important for tourists planning to visit the country.

Rainy Season in the Highlands (December - March)

Rainfall is abundant and can cause heavy and prolonged rain in the Peruvian highlands. These rains are vital for maintaining the vegetation and biodiverse ecosystems of the highland region, but they can also cause landslides and river overflows, affecting access to some areas and tourist activities.
It is important to keep in mind that the rainy and dry seasons in the Peruvian highlands may vary slightly depending on geographical location and altitude.

Dry Season in the Andes (April - October)

During this season, rainfall decreases considerably and the region experiences a drier and more stable climate. Days are usually sunny and temperatures are cooler, creating ideal conditions for exploring the Peruvian highlands and enjoying outdoor activities such as trekking, climbing, and cultural tourism.

Andes in the Peruvian highlands.
During the dry season, snowfall occurs in the mountain ranges. Ausangate snow-capped peak.

Best Time to Travel to the Peruvian Highlands

Most travelers prefer the dry season since they can enjoy more activities and the landscape with sunny days and cool nights; however, it is also high season, so you will see many tourists. If you would like quieter days and slightly emptier tourist attractions, the rainy season is the best alternative.

Climate in Tourist Cities of the Peruvian Highlands

What is the weather like in the Peruvian highlands? Learn here about the different climatic conditions of tourist cities such as Cusco, Arequipa, Puno, Cajamarca, Huaraz, and Ayacucho, ranging from subtropical climate to high-mountain cold.

Climate in Cusco 

Cusco, located in the Peruvian Andes, enjoys a cool temperate climate throughout the year, with average temperatures between 10 °C and 20 °C. During the day, temperatures are usually warm, while at night they drop. Rain is more frequent between November and March. Discover more about Cusco.

Climate in Arequipa  

Arequipa, known as the White City, has an arid and dry climate. Daytime temperatures usually range between 20 °C and 25 °C, but can reach up to 30 °C in summer. Nights are cool, with temperatures around 10 °C. Rain is infrequent and mainly concentrated between January and March. Discover more about Arequipa.

Climate in Puno 

Puno, on the shores of Lake Titicaca, has a cold and dry climate due to its high altitude. Daytime temperatures range between 5 °C and 17 °C, while nights are much colder, with temperatures below 5 °C. Rain is more common between December and March, while the rest of the year is drier. Discover more about Puno.

Climate in Huaraz and the Cordillera Blanca 

Huaraz, in the Cordillera Blanca, has a cool mountain climate. During the day, temperatures range between 15 °C and 20 °C, but can drop below 5 °C at night. Rain is more frequent between December and March, while the rest of the year is drier.

Climate in Cajamarca

Cajamarca has a subtropical mountain climate. Daytime temperatures usually range between 15 °C and 20 °C, with cooler nights around 10 °C. Rain is heavier between November and March, with January and February being the rainiest months.

Climate in Ayacucho

Ayacucho has a temperate and dry climate. Daytime temperatures usually range between 20 °C and 25 °C, with cool nights around 10 °C. Rain is uncommon and mainly concentrated between January and March.

The Uros in the Peruvian highlands.
The floating islands in Puno are located in the Peruvian highlands

Tourism in the Highlands of Cusco: What to See and Do

Discover the natural and cultural richness of the highlands of Cusco, from its mountain ranges and snow-capped peaks to its archaeological legacy and the Andean culture that defines the region.

Archaeological Sites in Cusco

The Peruvian highlands are home to archaeological sites that offer a window into the fascinating past of this region. From ancient Inca cities to pre-Inca archaeological sites, these places are must-see destinations for those who wish to explore the historical and cultural richness of the country.

  • Machu Picchu, located in the province of Cusco, stands at an altitude of approximately 2,430 m.a.s.l. This ancient Inca city is the main attraction of the Peruvian highlands. The climate in Machu Picchu is subtropical mountain climate, with temperatures ranging between 12 °C and 24 °C during the day and dropping to 6 °C at night. Discover more about Machu Picchu.
  • Sacsayhuamán, also in Cusco, is known for its impressive stone walls and ceremonial importance. At an altitude of around 3,700 m.a.s.l., the climate in Sacsayhuamán is temperate, with temperatures ranging from 10 °C to 20 °C during the day and dropping significantly to 2 °C at night. Discover more about Sacsayhuamán.
  • Wari Archaeological Complex, located in Ayacucho, dates back to the pre-Inca period. At an altitude of approximately 2,800 m.a.s.l., the climate in Wari is temperate and dry, with daytime temperatures ranging between 15 °C and 25 °C and cool nights around 10 °C.
  • Huánuco Pampa, in the province of Huánuco, is another archaeological site of great importance. At an altitude of around 3,600 m.a.s.l., this ceremonial complex offers a view into Inca culture. The climate in Huánuco Pampa is cool mountain climate, with daytime temperatures ranging from 10 °C to 20 °C and cold nights around 5 °C.
  • Chavín de Huántar, in Áncash, is an archaeological site declared a UNESCO World Heritage Site. Located at an altitude of approximately 3,100 m.a.s.l. The climate in Chavín de Huántar is cool mountain climate, with temperatures ranging between 10 °C and 20 °C during the day and dropping at night.

These are just some of the fascinating archaeological sites that can be found in the Peruvian highlands. Each one offers a unique experience for travelers, combining history, culture, and nature.

Rainbow Mountains and Mountain Ranges

Rainbow Mountain

It is located southeast of the city of Cusco, in the Vilcanota mountain range. The temperature in the morning is very cold, ranging from -3 °C to 0 °C; during the day it usually ranges from 5 °C to 20 °C; and at night, the temperature drops again, between 0 °C and 10 °C. July and August are the coldest months. The name Rainbow Mountain, of Quechua origin, refers to the tones displayed by the mountain. According to research, the mountain’s colors are due to the presence of minerals. Among the mountain’s colors are the following:

  • White: This color originates from sandstones composed mainly of quartz and limestone.
  • Pink: It comes from a mixture of red clay, mudstones, and sand. These layers formed in environments rich in iron and magnesium. 
  • Red: A clay-colored tone composed of quartz, mica, and sericite.
  • Lavender: It is due to the presence of marl, a mixture of clay and calcium carbonate, along with silicates. These layers formed in shallow marine environments. 
  • Yellow, mustard, or golden tones: limonites and calcareous sandstones rich in sulfur-bearing minerals give rise to the yellow tone. These minerals contain sulfur, which contributes to their coloration. 
  • Earthy tone: It is due to rocks with manganese belonging to the Quaternary period.
  • Green: The green tone is the result of clays with abundant iron and magnesium minerals, as well as copper oxide. These minerals indicate the presence of ancient volcanic deposits. 

Mountain Ranges

  • Cordillera Blanca, located in the region of Ancash. With snow-capped peaks rising over 6,000 m.a.s.l., this impressive place is home to beautiful glaciers and crystal-clear lagoons. The climate in the Cordillera Blanca is cold mountain climate, with temperatures that can drop below zero, even in summer.
  • Cordillera Huayhuash, also in Ancash, is known for its challenging trekking routes and stunning alpine scenery. With altitudes exceeding 5,000 m.a.s.l., this mountain range offers breathtaking panoramic views and the opportunity to explore some of Peru’s highest peaks.
  • Cordillera Vilcabamba, located in the region of Cusco. This mountain range is home to the famous archaeological complex of Machu Picchu and offers some of the most impressive views in the Peruvian Andes. With altitudes exceeding 6,000 m.a.s.l., it presents a variable climate, from warm in the lowlands to cold in the higher elevations.

Snow-Capped Peaks and Highest Summits of Cusco 

The Peruvian highlands are home to snow-capped peaks that draw travelers’ attention because of the beauty of their landscapes.

  • Huascarán Snow-Capped Peak, located in the Cordillera Blanca, in the region of Ancash. At an altitude of 6,768 m.a.s.l., it is the highest mountain in Peru and offers breathtaking panoramic views. The climate in Huascarán is cold mountain climate, with temperatures that can fall well below 0 °C, especially at higher elevations.
  • Yerupajá Snow-Capped Peak, also in the Cordillera Blanca, at an altitude of 6,634 m.a.s.l. This imposing peak is famous for its difficult ascent and natural beauty. The climate at Yerupajá is similar to that of Huascarán, with extreme weather conditions and very cold temperatures.
  • Coropuna Snow-Capped Peak, located in Arequipa, is also a volcano. At 6,425 m.a.s.l., it is considered a deity and has a cold mountain climate with temperatures that can drop to 0 °C.
  • Huandoy Snow-Capped Peak, also in the Cordillera Blanca, is another must-see destination for mountain lovers. At an altitude of 6,395 m.a.s.l., Huandoy offers challenging climbing routes and impressive landscapes.
  • Ausangate Snow-Capped Peak, located in the Vilcanota mountain range in Cusco, stands at 6,384 m.a.s.l. and is the fifth-highest snow-capped mountain in Peru, considered the most representative peak of the Cusco region. It has a cold mountain climate and offers the opportunity to hike at the foot of the mountain. Experience the Ausangate trek.
Machu Picchu in the highlands of Peru.
The Inca city of Machu Picchu is located in the Vilcanota Mountain Range

Main Volcanoes of Southern Peru 

The Peruvian highlands are home to some of the country’s most impressive volcanoes, offering spectacular landscapes for adventurous visitors.

  • Misti Volcano, located near the city of Arequipa. At an altitude of 5,822 m.a.s.l., Misti is a popular destination for hiking and climbing. The climate on Misti is variable, with warm temperatures in the lowlands and colder conditions at higher elevations. Learn more about Misti Volcano here.
  • Ubinas Volcano, located in the region of Moquegua. At an altitude of 5,672 m.a.s.l., Ubinas is one of the most active volcanoes in the country and offers impressive views of its crater. The climate on Ubinas is cold mountain climate, with temperatures that can drop below zero degrees Celsius.
  • Coropuna Volcano, located in the region of Arequipa. At an altitude of 6,425 m.a.s.l., Coropuna is the highest volcano in the country and offers breathtaking panoramic views. The climate on Coropuna is cold and windy, with extremely low temperatures at higher altitudes.
Misti Volcano
Misti Volcano is located in Arequipa

Recommendations for Traveling to the Peruvian Highlands 

  • Research the climate and familiarize yourself with the weather conditions of the region you are going to visit so you can pack the right clothes. Bring versatile layers that help you adapt to sudden temperature changes.
  • Take your time to adapt to the altitude, stay well hydrated to counteract the effects of altitude and prevent dehydration. Choose light meals and avoid excessive alcohol so you feel better at high elevations.
  • Use sunscreen and bring a hat to protect yourself from the intense sun at high altitudes.
  • Hire local guides and take advantage of their experience to learn more about the culture and history of the region.

What to Pack for the Peruvian Highlands 

  • Comfortable clothing, prepare versatile layers to adapt to temperature changes.
  • Comfortable footwear, bring sturdy and comfortable shoes for walking on uneven terrain.
  • Waterproof jacket, protect your clothes and gear from rain and wind.
  • Hat and gloves, keep your head and hands warm at high altitudes.
  • Lightweight backpack, bring a comfortable and lightweight backpack to carry your belongings during excursions.
  • Sunscreen, protect your skin from the intense sun at high altitudes.
  • Insect repellent, avoid insect bites in areas where they are common.
  • Basic medications, bring a first aid kit with medicines for altitude sickness, aches, and discomfort.
  • Camera, capture the incredible landscapes and memorable moments of your trip through the Peruvian highlands.

Would you like to explore these landscapes and archaeological sites in comfort and safety? At CuscoPeru.com, we offer personalized tours to Machu Picchu, Rainbow Mountain, Humantay Lake, and other highlights of the Peruvian highlands. Our itineraries are designed to adapt to the climate and your interests, guided by local experts. [Learn more about our tours here].

Happy passengers