The jungle of Peru

The Peruvian jungle (Selva) is one of the most fascinating and biodiverse regions on the planet, a natural gem that captivates anyone who dares to discover it. From the majestic Amazonian rivers to the mysterious songs of birds at dawn, this region offers a completely unique travel experience.

Would you like to walk among giant trees, see exotic animals in their natural habitat, and live with communities that keep their ancestral traditions alive? Then the Peruvian jungle is for you. In this guide, you will find key and updated information to plan your visit: which departments are part of this region, what its climate, rainfall, and winds are like, and what you should pack in your luggage. Get ready for an unforgettable adventure in the green heart of Peru.

Which Departments of Peru Are Part of the Jungle Region?

The Jungle of Peru, also known as the Peruvian Amazon, occupies approximately 60% of the national territory, being the largest region in the country. It is divided into two sub-regions: high jungle (ceja de selva) and low jungle (deep Amazon), and comprises several departments that have territory in one or both areas.

Departments of the Peruvian jungle:

• Loreto
• Ucayali
• Madre de Dios
• San Martín
• Amazonas (part)
• Huánuco (part)
• Pasco (part)
• Junín (part)
• Cusco (part)
• Puno (part)

Of all these, Loreto, Ucayali, Madre de Dios, and San Martín are considered the most representative departments of the low jungle. These regions host protected natural areas such as Manu National Park or Pacaya Samiria National Reserve, where flora and fauna reach extraordinary levels of diversity.

Furthermore, these areas are home to native Amazonian peoples who preserve their languages, customs, and ancestral knowledge about nature. A trip to the Peruvian jungle is, without a doubt, a total immersion in one of the most vital regions in the world.

What Are the Seasons Like in the Peruvian Jungle?

In the Peruvian jungle, the seasons are not divided as in temperate zones. Here, the climate is mainly governed by the presence or absence of rain, which defines two major periods: the rainy season and the dry season. Despite these variations, temperatures usually remain high throughout the year.

Main seasons:

• Rainy season (November to April):
  This is when it rains most frequently and intensely. Rivers rise, roads can become muddy, and some tours may change their logistics. However, the landscape becomes even greener and more exuberant, and wildlife becomes more active.
• Dry season (May to October):
  Although it is not completely free of rain, it is much less frequent. This is the most recommended period to visit, especially if you plan hikes or long excursions. River navigation also becomes more stable.

Unlike the coast or the highlands, the jungle maintains high relative humidity year-round, which intensifies the thermal sensation. Therefore, it is important to stay well hydrated and wear appropriate clothing.

What Type of Temperatures Are Experienced in the Peruvian Jungle?

The Peruvian jungle is characterized by a tropical, warm, and humid climate throughout the year. Temperatures are generally stable, with slight variations between day and night. The thermal sensation tends to be higher due to environmental humidity.

Average temperatures:

• Day: Between 28°C and 34°C (82°F and 93°F)
• Night: Between 20°C and 24°C (68°F and 75°F)

In some areas like Iquitos or Pucallpa, the temperature can exceed 36°C (97°F) on particularly hot days, especially during the driest months. On the other hand, during the rainy season, the temperature drops slightly, but humidity increases, creating a constant feeling of warmth.

A particular phenomenon that occasionally occurs in the jungle is the “friaje” or “surazo,” a cold air mass that comes from the south and can cause the temperature to drop to 15°C (59°F) in places like Puerto Maldonado. These events usually last from 1 to 3 days and occur between May and August.

To avoid discomfort, it is advisable to be prepared for constant heat but also to bring some light warm clothing in case of an unexpected friaje.

Does it Rain Frequently in the Jungle? When is the Rainy Season?

Yes, in the Peruvian jungle, rainfall is frequent and is an essential part of the region’s ecological balance. The rainy season extends from November to April, although precipitation can occur at any time of the year.

Characteristics of the rainy season:

• Frequency: Almost daily rains, usually in the afternoon or evening.
• Intensity: Torrential, can last between 1 and 3 hours.
• Impact: Rivers increase their flow, some rural roads become inaccessible, and boat excursions tend to be more adventurous.

Benefits of this season:

• Increased activity of flora and fauna.
• Greener and denser landscapes.
• Ideal for those seeking a more authentic and wild jungle experience.

Despite the rain, the jungle does not stop, and many tourist activities continue to operate normally. Local guides are prepared to adapt plans according to weather conditions.

If you prefer to avoid muddy paths and seek greater ease of movement, it is most recommended to travel between May and October, when rainfall decreases significantly.

What Are the Winds Like in the Jungle Region of the Country?

In the Peruvian jungle, winds are not usually a dominant phenomenon as in other regions of the country, but they do play an important role in regulating temperature and dispersing rainfall.

Wind behavior in the jungle:

• Speed: Generally gentle, between 5 and 15 km/h (3 to 9 mph).
• Direction: Predominantly from the east (coming from the Atlantic).
• Effects: Help cool the environment, especially after intense rains.

Special phenomena:

• Friajes: During the winter months (May to August), cold winds from the south can arrive, causing abrupt temperature drops.
• Thunderstorms: In the rainy season, they are often accompanied by moderate wind gusts and electrical discharges.

Although winds do not represent a great risk, it is advisable to be cautious if navigating rivers during intense rains. In these cases, visibility can be reduced, and winds can generate swells.

In summary, the jungle has a generally calm environment regarding winds, but one must be attentive to weather changes that can bring surprises.

What Clothing, Footwear, and Items Are Recommended to Bring to the Peruvian Jungle?

Packing for a trip to the Peruvian jungle requires preparation. Humidity, heat, insects, and rain are factors to take into account. Here is a recommended list so you can enjoy your trip to the fullest without setbacks.

Clothing:

• Long-sleeved shirts and tops (protection against insects and sun).
• Light and cool long pants.
• Light-colored clothing (less attractive to mosquitoes).
• Waterproof jacket or rain poncho.
• A light coat in case of a friaje.

Footwear:

• Trekking or rubber boots (ideal for wet terrain).
• Sandals with non-slip soles for relaxing at the lodge.

Accessories and essential items:

• Insect repellent with DEET.
• Water-resistant sunscreen.
• Wide-brimmed hat or cap.
• Sunglasses.
• Headlamp or flashlight.
• Waterproof backpack or cover.
• Reusable water bottle.
• Quick-drying towel.
• Personal medications and a small first-aid kit.
• Sealed bags to protect documents and electronics.

Traveling prepared will allow you to fully enjoy nature and adapt to any unexpected situation in the jungle. Remember that many areas are far from urban centers, so it’s better to anticipate and bring everything you need from the beginning of the trip.