Manu National Park, one of the most important biodiversity reserves on the planet, has a varied climate due to its vast terrain, ranging from lowland rainforest to highland jungle. Understanding the weather and climate in Manu National Park is essential for planning your trip, as conditions affect wildlife sightings, accessibility, and tourist activities.
In this detailed guide, we’ll break down the monthly weather patterns, temperatures, rainfall, and the best times to visit this Amazonian paradise. We’ll also provide tips on what to pack and how to make the most of your experience based on the season.
Best Time to Visit Manu National Park
The ideal time to visit depends on your preferences: Do you want pleasant weather, mild temperatures, or to avoid heavy rains? Here are the best options:
- Best months for good weather: May, June, July, August, and September.
- Mildest months: August, September, October, and November.
- Rainiest months: February and March (avoid these if you prefer less rainfall).
Climate and Temperatures in Manu National Park
Enjoy an equatorial climate (tropical rainforest) according to the Köppen-Geiger classification. Here is a summary of the annual weather conditions in Manu National Park:
- Average annual high temperature: 31°C (ranging from 29°C in February to 34°C in September).
- Annual rainfall: 3,007 mm (minimum 61 mm in July, maximum 506 mm in February).
Seasonal Breakdown:
- January to May: Fair weather with moderate rainfall. Highs around 30°C.
- June to September: Excellent weather, with temperatures reaching 34°C and less rain.
- October to December: Less favorable but still manageable, with increasing rainfall and highs around 30°C.
Weather and Climate in Manu National Park: Month by Month
1. Weather and Climate in Manu National Park in January
The weather in January is based on historical climate data. Below is an overview of average conditions for the month. You can also check variations at the beginning, middle, and end of January.
Average temperatures:
- 6:00 AM: 23°C (73°F)
- 12:00 PM: 29°C (84°F)
- 6:00 PM: 25°C (77°F)
UV Index: 6 (High)
Weather Summary for January:
- Temperatures: 23°C (73°F) min / 29°C (84°F) max.
- Rainfall: 390 mm (15.4 in) over 20 days.
- Verdict: Humid but acceptable. Ideal for those who don’t mind rain.
Rainfall and General Conditions
January is a wet month in Manu National Park, with around 390 mm of rain spread over 20 days—a slight increase from December (349 mm over 18 days).
Temperatures typically range between 23°C and 30°C (73–86°F), averaging 26°C (79°F). Extreme records include 38°C (100°F) in 2016 and 16°C (61°F) in 2009. Around 15 days may see temperatures above 30°C (86°F).
Daylight Hours
Days last 12 hours and 45 minutes, with sunrise at 5:34 AM and sunset at 6:19 PM.
Is It a Good Time to Visit?
The weather in January is warm and humid, with frequent rain. Despite the showers, temperatures are pleasant, allowing for wildlife exploration. Pack waterproof clothing and sturdy footwear for wet trails.
2. Weather and Climate in Manu National Park in February
February’s weather is based on historical records. See the monthly averages below.
Average temperatures:
- 6:00 AM: 23°C (73°F)
- 12:00 PM: 28°C (82°F)
- 6:00 PM: 24°C (75°F)
UV Index: 6 (High)
Weather Summary for February:
- Temperatures: 23°C (73°F) min / 28°C (82°F) max.
- Rainfall: 506 mm (20 in) over 21 days (wettest month).
- Verdict: Not recommended due to heavy rainfall.
Rainfall and General Conditions
February is the rainiest month, averaging 506 mm of rain over 21 days—a big jump from January (390 mm).
Temperatures range from 23°C to 29°C (73–84°F), averaging 26°C (79°F). Extreme records include 37°C (99°F) in 2017 and 18°C (64°F) in 2020. About 10 days may exceed 30°C (86°F).
Daylight Hours
Day length: 12h 28m, with sunrise at 5:47 AM and sunset at 6:15 PM.
Is It a Good Time to Visit?
February is extremely wet, with intense rain and high humidity. While temperatures are mild, outdoor activities may be disrupted. If visiting, bring rain gear and waterproof boots.
3. Weather and Climate in Manu National Park in March
March’s climate follows historical trends. See averages below.
Average temperatures:
- 6:00 AM: 23°C (73°F)
- 12:00 PM: 29°C (84°F)
- 6:00 PM: 24°C (75°F)
UV Index: 6 (High)
Weather Summary for March:
- Temperatures: 23°C (73°F) min / 29°C (84°F) max.
- Rainfall: 437 mm (17.2 in) over 21 days.
- Verdict: Similar to February—still very rainy. Best avoided.
Rainfall and General Conditions
March remains very wet, with 437 mm of rain over 21 days—a slight improvement from February (506 mm).
Temperatures range from 23°C to 30°C (73–86°F), averaging 26°C (79°F). Past extremes include 35°C (95°F) in 2018 and 17°C (63°F) in 2012. Around 14 days may exceed 30°C (86°F).
Daylight Hours
Day length: 12h 10m, with sunrise at 5:51 AM and sunset at 6:01 PM.
Is It a Good Time to Visit?
March is still hot and humid, but rains begin to taper off. If you don’t mind showers, wildlife viewing is still possible. Pack quick-dry clothing and hiking shoes.
4. Weather and Climate in Manu National Park in April
The weather in Manu National Park during April is based on historical data. Below, you’ll find an overview of the climate conditions for the entire month, including variations at the beginning, middle, and end of April.
Average Temperatures:
- 6:00 AM: 72°F (22°C)
- 12:00 PM (Noon): 86°F (30°C)
- 6:00 PM: 75°F (24°C)
- UV Index: 7 (High)
Weather Summary for April:
- Temperatures: 72°F (22°C) low / 86°F (30°C) high.
- Rainfall: 9.7 inches (247 mm) over 14 days.
- Verdict: Better than March, but still rainy.
Rainfall & General Conditions
April is less rainy compared to earlier months, with 9.7 inches (247 mm) of rainfall over 14 days—a significant improvement from March, which sees 17.2 inches (437 mm) over 21 days.
Temperatures range between 72°F (22°C) and 86°F (30°C), averaging 79°F (26°C). Past extremes include 97°F (36°C) in 2018 and 57°F (14°C) in 2016. Around 18 days this month reach highs of 86°F (30°C) or above.
Daylight Hours
Days last 11 hours and 50 minutes, with sunrise at 5:52 AM and sunset at 5:42 PM.
Is It a Good Time to Visit?
April’s weather in Manu National Park is more favorable than in previous months. While rain persists, it’s less intense and frequent, making exploration easier. The warm temperatures and reduced rainfall make April a solid choice for visiting this incredible rainforest.
5. Weather and Climate in Manu National Park in May
Average Temperatures:
- 6:00 AM: 72°F (22°C)
- 12:00 PM (Noon): 86°F (30°C)
- 6:00 PM: 73°F (23°C)
- UV Index: 7 (High)
Weather Summary for May:
- Temperatures: 72°F (22°C) low / 86°F (30°C) high.
- Rainfall: 7.2 inches (182 mm) over 11 days.
- Verdict: Great weather—less rain and pleasant temps.
Rainfall & General Conditions
May marks the start of the drier season, with 7.2 inches (182 mm) of rain over 11 days—less than April’s 9.7 inches (247 mm).
Temperatures hover between 72°F (22°C) and 86°F (30°C), averaging 79°F (26°C). Past extremes: 93°F (34°C) in 2010 and 54°F (12°C) in 2014. About 20 days hit 86°F (30°C)+.
Daylight Hours
Days last 11 hours and 33 minutes, with sunrise at 5:57 AM and sunset at 5:30 PM.
Is It a Good Time to Visit?
Yes! May’s drier, stable weather makes it ideal for wildlife spotting and hiking. With fewer rain showers and comfortable temps, it’s a top pick for nature lovers.
6. Weather and Climate in Manu National Park in June
Average Temperatures:
- 6:00 AM: 70°F (21°C)
- 12:00 PM (Noon): 86°F (30°C)
- 6:00 PM: 73°F (23°C)
- UV Index: 7 (High)
Weather Summary for June:
- Temperatures: 70°F (21°C) low / 86°F (30°C) high.
- Rainfall: 2.9 inches (74 mm) over 5 days.
- Verdict: One of the best months—dry and ideal.
Rainfall & General Conditions
June is one of the driest months, with just 2.9 inches (74 mm) of rain over 5 days—way less than May’s 7.2 inches (182 mm).
Temps range from 70°F (21°C) to 86°F (30°C), averaging 77°F (25°C). Past extremes: 93°F (34°C) in 2010 and 55°F (13°C) in 2012. About 19 days reach 86°F (30°C)+.
Daylight Hours
Days last 11 hours and 25 minutes, with sunrise at 6:05 AM and sunset at 5:30 PM.
Is It a Good Time to Visit?
Absolutely! June’s low humidity, minimal rain, and warm days make it perfect for jungle treks and wildlife tours.
7. Weather and Climate in Manu National Park in July
Average Temperatures:
- 6:00 AM: 68°F (20°C)
- 12:00 PM (Noon): 88°F (31°C)
- 6:00 PM: 73°F (23°C)
- UV Index: 7 (High)
Weather Summary for July:
- Temperatures: 68°F (20°C) low / 88°F (31°C) high.
- Rainfall: 2.4 inches (61 mm) over 4 days (driest month).
- Verdict: Peak season—dry and sunny.
Rainfall & General Conditions
July is the driest month, with just 2.4 inches (61 mm) over 4 days. Temps range from 68°F (20°C) to 88°F (31°C), averaging 79°F (26°C). Past extremes: 97°F (36°C) in 2016 and 50°F (10°C) in 2010. About 23 days hit 86°F (30°C)+.
Daylight Hours
Days last 11 hours and 30 minutes, with sunrise at 6:08 AM and sunset at 5:38 PM.
Is It a Good Time to Visit?
The best! Clear skies, near-zero rain, and warm days create perfect conditions for exploring.
8. Weather and Climate in Manu National Park in August
The weather in Manu National Park during August is based on statistical data from previous years. Below, you’ll find a detailed summary with key information on temperatures, rainfall, and daylight hours.
Average Temperatures:
- 6:00 a.m.: 21°C (70°F)
- 12:00 p.m.: 33°C (91°F)
- 6:00 p.m.: 25°C (77°F)
UV Index: 7
Weather in Manu National Park in August
- Temperatures: 21°C (70°F) (low) / 33°C (91°F) (high).
- Rainfall: 72 mm (2.8 in) over 5 days.
- Conclusion: Highly recommended—warm temperatures and little rain.
Rainfall and General Conditions
August in Manu National Park is relatively dry, with 72 mm (2.8 in) of rainfall spread over 5 days. Compared to July (61 mm / 2.4 in over 4 days), rainfall increases slightly but remains low compared to the rainy season.
Temperatures are high, averaging 27°C (81°F), with daytime highs reaching 34°C (93°F). In previous years, extreme temperatures of 38°C (100°F) in 2010 and 12°C (54°F) in 2011 have been recorded. Around 27 days (87% of the month) will likely see temperatures above 30°C (86°F).
Daylight Hours
In August, the days average 11 hours and 43 minutes of daylight, with sunrise at 6:00 a.m. and sunset at 5:43 p.m.
Is It a Good Time to Visit?
The weather in Manu National Park in August makes it an ideal month to explore the rainforest. The warm temperatures, low rainfall, and long daylight hours create perfect conditions for enjoying the park’s biodiversity and hiking trails.
9. Weather and Climate in Manu National Park in September
The weather in Manu National Park during September is based on statistical data from previous years. Below is a detailed summary with key information on temperatures, rainfall, and daylight hours.
Average Temperatures
- 6:00 a.m.: 23°C (73°F)
- 12:00 p.m.: 34°C (93°F)
- 6:00 p.m.: 26°C (79°F)
- UV Index: 7
Weather Overview
- Temperatures: 23°C (min) / 34°C (max)
- Rainfall: 125 mm over 6 days
- Conclusion: Warm and humid but still favorable.
Rainfall and General Conditions
September in Manu National Park is more humid than August, with 125 mm of rainfall over 6 days. Compared to the previous month (72 mm over 5 days), rainfall increases but remains moderate.
Temperatures are high, averaging 29°C, with daytime highs reaching 34°C. In previous years, extreme temperatures of 40°C (2016) and 15°C (2016) have been recorded. Expect temperatures above 30°C for most of the month.
Daylight Hours
In September, days average 12 hours and 2 minutes of daylight, with sunrise at 5:41 a.m. and sunset at 5:43 p.m.
Is It a Good Time to Visit?
The weather in September makes it a great month to visit Manu National Park. Although rainfall increases slightly, the warm temperatures and long daylight hours create ideal conditions for wildlife spotting and jungle exploration.
10. Weather and Climate in Manu National Park in October
The weather in Manu National Park during October is based on statistical data from previous years. Below is a summary with key information on temperatures, rainfall, and daylight hours.
Average Temperatures
- 6:00 a.m.: 24°C (75°F)
- 12:00 p.m.: 33°C (91°F)
- 6:00 p.m.: 25°C (77°F)
- UV Index: 7
Weather Overview
- Temperatures: 24°C (min) / 33°C (max)
- Rainfall: 255 mm over 15 days
- Conclusion: Increasing rainfall, but temperatures remain pleasant.
Rainfall and General Conditions
October is a humid month in Manu National Park, with an average of 255 mm of rainfall over 15 days—a significant increase compared to September (125 mm over 6 days).
Temperatures remain high, averaging 29°C, with daytime highs of 33°C. Previous extremes include 40°C (2014) and 15°C (2010). Expect around 26 days with temperatures above 30°C, covering 84% of the month.
Daylight Hours
In October, days average 12 hours and 22 minutes of daylight, with sunrise at 5:22 a.m. and sunset at 5:44 p.m.
Is It a Good Time to Visit?
The high temperatures and increased rainfall make October a decent but not ideal time to visit Manu National Park. However, it’s still a good season for wildlife observation and jungle exploration, especially for those who enjoy warm, humid weather.
11. Weather and Climate in Manu National Park in November
The weather in Manu National Park during November is based on statistical data from previous years. Below is a summary with key information on temperatures, rainfall, and daylight hours.
Average Temperatures
- 6:00 a.m.: 24°C (75°F)
- 12:00 p.m.: 32°C (90°F)
- 6:00 p.m.: 25°C (77°F)
- UV Index: 7
Weather Overview
- Temperatures: 24°C (min) / 32°C (max)
- Rainfall: 315 mm over 15 days
- Conclusion: Humid climate—recommended only if you don’t mind rain.
Rainfall and General Conditions
November is very humid, with an average of 315 mm of rainfall over 15 days, an increase compared to October (255 mm over 15 days).
Temperatures stay warm, averaging 28°C, with daytime highs of 32°C. Previous extremes include 39°C (2020) and 17°C (2010). Expect around 22 days with temperatures above 30°C, covering 73% of the month.
Daylight Hours
In November, days average 12 hours and 40 minutes of daylight, with sunrise at 5:12 a.m. and sunset at 5:52 p.m.
Is It a Good Time to Visit?
November is a humid and warm month, making it less ideal for visitors who prefer drier conditions. However, if you enjoy nature at its most vibrant, the rainforest will be lush and teeming with life.
12. Weather and Climate in Manu National Park in December
The weather in Manu National Park in December is based on historical data from previous years. Below is a summary with key information on temperatures, rainfall, and daylight hours.
Average Temperatures
- 6:00 a.m.: 24°C (75°F)
- 12:00 p.m.: 30°C (86°F)
- 6:00 p.m.: 25°C (77°F)
- UV Index: 7
Weather Overview
- Temperatures: 24°C (min) / 30°C (max)
- Rainfall: 349 mm over 18 days
- Conclusion: Similar to November, with frequent rainfall.
Rainfall and General Conditions
December is very humid, with an average of 349 mm of rainfall over 18 days, an increase compared to November (315 mm over 15 days).
Temperatures remain warm, averaging 27°C, with daytime highs of 30°C. Previous extremes include 38°C (2016) and 14°C (2010). Expect around 16 days with temperatures above 30°C, covering 52% of the month.
Daylight Hours
In December, days average 12 hours and 49 minutes of daylight, with sunrise at 5:18 a.m. and sunset at 6:07 p.m.
Is It a Good Time to Visit?
December is very rainy, which may hinder some activities due to slippery trails and swollen rivers. However, it’s an excellent time to see biodiversity at its peak and experience the rainforest in its most lush state.
Final Recommendations
- To avoid rain: Visit between June and September.
- For mild temperatures: Choose August, September, or October.
- For a rainforest experience with rain: January, May, or December can be interesting, but be prepared for wet conditions.
Manu National Park offers a unique experience year-round, but timing your visit can make a difference. If you prefer dry and warm weather, June to September is ideal. If you don’t mind rain and want to see the jungle at its most vibrant, transitional months like May or October are also great options. Book your trip to Manu National Park today and plan your adventure in this natural paradise.
Tours to Manu National Park:
