Climate in Manu: Temperatures, Humidity and Rainfall throughout the year
Worried about traveling to Manu at the wrong time of year? That’s perfectly normal. The Amazonian weather can seem unpredictable. You’ll discover real temperatures, humidity levels, rainfall month by month, and the best season for your type of trip.
🌎 What’s the weather like in Manu?
Manu National Park has a humid tropical climate for most of the year.
General Characteristics:
- Average Temperature: 22°C – 32°C (72°F – 90°F)
- Humidity: 80% – 95%
- Frequent rainfall between November and April
- Microclimates (cloud forest and lowland rainforest)
🌡️ Temperatures Throughout the Year
☀️ Daytime
- Average: 28–32°C
- High heat index due to humidity
🌙 Nighttime
- 18–22°C
- Temperatures can occasionally drop during cold fronts (Amazonian cold fronts)
🌧️ Dry Season vs. Rainy Season
Dry Season (May – October)
- Fewer heavy rains
- More accessible trails
- Better visibility for hiking
- Possible sandbars in rivers
Slightly cooler temperatures
Rainy Season (November – April)
- Higher rivers (better navigation)
- Greener rainforest
- Greater amphibian and insect activity
Frequent rain, but not constant throughout the day.
📊 Climate Comparison Chart
| Season | Average Temperature | Humidity | Rainfall | Best For |
|---|---|---|---|---|
| May – October | 22–30°C | 75–85% | Low–Moderate | Hiking |
| November – April | 24–32°C | 85–95% | High | River navigation |
🛠️ How to Prepare Depending on the Weather?
Essential Gear Year-Round
- Lightweight Long-Sleeved Clothing
- Strong Insect Repellent
- SPF 50 Sunscreen
- Waterproof Boots
Extra Items for the Rainy Season
- Waterproof Poncho or Jacket
- Dry Bag for Electronic Devices
- Extra Change of Clothes
Extra Items for the Dry Season
- More Hydration
- Increased Sun Protection
🧭 Is There Altitude Sickness in Manu?
No. Manu is in the lowland rainforest.
⚠️ However, the tour departs from Cusco (3,400 meters above sea level). 1–2 days of acclimatization are recommended before starting the trip.
🌎 Microclimates within Manu
During the journey from Cusco, you will cross:
- Cold Andes
- Humid Cloud Forest
- Warm Tropical Rainforest
In a single day, you can experience three different climates.
🎒 Pro-Tips for Foreigners
Rain won’t ruin your trip
- Many rain showers are brief and intense, not persistent.
Humidity is constant
- Quick-drying clothing is key.
Be careful with electronics
- Condensation is common on cameras and lenses.
Amazonian cold spells
- Between June and August, nighttime temperatures can drop unexpectedly.
Realistic expectations
- The rainforest is unpredictable. That’s part of its magic.
The climate in Manu is warm and humid year-round. The difference between the dry and rainy seasons changes logistics and landscapes, but not the quality of the experience.
If you prefer comfortable hikes, choose May–October.
If you prefer full rivers and lush rainforest, choose November–April.
