Monthly weather forecast and climate
Machu Picchu, Peru

The staircase landscape illusion overlooking the vast mountain ranges in Machu Picchu, Peru, serving as a great wonder of the world
The staircase landscape illusion overlooking the vast mountain ranges in Machu Picchu, Peru, serving as a great wonder of the world
Machu Picchu has a subtropical highland type of climate (Köppen climate classification Cwb) with wet and humid summers and dry and frosty winters. Machu Picchu is an old citadel of the historical Inca Empire, which lies in Southern Peru's Cusco Region, in the Eastern Cordillera mountain ridge, above the Sacred Valley. The high altitude of the Andes Mountains and the proximity to the equator are the main factors that influence the climate of the region.

Machu Picchu, the most visited city in Peru, has an elevation of 2430 meters above sea level and lies in the southern hemisphere. The topography is mountainous, with terraced hillsides to help grow crops, and for protection against soil erosion and avalanches. The Urubamba River surrounds the region on three sides with high cliffs that drop vertically in the river. The citadel lies between two mountains and has a continuous supply of spring water.

The daily high temperatures are remarkably consistent throughout the year in Machu Picchu. The wet season is from October to March, while the dry season lasts from April to September. Summers are rainy and humid, while winters are relatively dry and cold. Frost is frequent during winter nights, while mist arising from the river in the mornings is a regular feature of the climate throughout the year. Thunderstorms and heavy rainfall keep the landscape wet during the summer.

Machu Picchu registers abundant annual precipitation of 1803.4mm (71") during 100 rainy days, with a majority of the rainfall occurring between October and March in the wet season. The sunshine is an ample 2460 hours annually and has a high intensity with the ultraviolet index ranging between 10 and 12. The temperatures in Machu Picchu remain mostly in the temperate range with rare extremes of hot or cold weather.
The best time to visit Machu Picchu is from June to August during the dry winter season. The temperature variation is up to 16 degrees Celsius / 30 degrees Fahrenheit between the warm days and cold nights. Snowfall is rare in the city, but frost is frequent during the winter nights. The cold season has plenty of sunlight, which is less intense than the summer sun. The weather is crisp, and the humidity is low in the absence of cloudy skies.

The worst time to visit Machu Picchu is from December to March during the summer, which is a part of the wet season. The heavy precipitation may force a closure of the trails as well as roads that lead to the mountain from Cusco due to flooding. Mudslides, landslides, and floods are frequent, which may lead to instances like January 2010 when Machu Picchu faced temporary closure due to the trapping of tourists and civilians on a large scale.

Machu Picchu is prone to seismic activity due to the presence of two fault lines in the region. Heavy rainfall is the leading cause of flooding, mudslides, landslides, and soil erosion. Terraces reduce the incidence of soil and water running down the mountain by the addition of layered stones, sand, dirt, and topsoil. Most of the structures are built using an architecture that reduces the threat of natural hazards occurring in the region.

January is a warm summer month in Machu Picchu, which brings ample rainfall of 129.5mm (5.1"). The average temperatures in the area are in the temperate zone of 12.8°C (55°F) to 23.9°C (75°F). Weather in January »

February sees persistent precipitation in Machu Picchu, Peru, as 20 rainy days register 142.2mm (5.6") of rainfall. The atmosphere is humid, and the sunshine is intense. Weather in February »

March is the rainiest month of the year in Machu Picchu, Peru, as the area registers 149.9mm (5.9") of heavy rain. Thunderstorms, hail, and lightning are frequent. Weather in March »

April is a transitional month in Machu Picchu that sees a significant drop in rainfall with the arrival of the dry season. The average temperatures drop in the warm zone of 12.2°C (54°F) to 25°C (77°F). Weather in April »

May lies in the dry season of Machu Picchu with the average temperatures in the 11.1°C (52°F) to 25°C (77°F) range. The days are warm and bright, but the temperatures drop quickly after sunset. Weather in May »

The average temperatures are in the range of 8.9°C (48°F) to 25°C (77°F), which see warm days and cold nights in the region. The sunlight lasts an ample 8 hours, even at the peak of the winter season. Weather in June »

July is the coldest month of the year in Machu Picchu, Peru, with an average low temperature of 8.9°C (48°F). The nights cool rapidly and are regularly frosty. Weather in July »

August is a cold winter month in Machu Picchu with partly cloudy skies amid plenty of sunshine. Scattered showers occur during the month, but the days are warm, and the sunlight lasts for at least 8 hours. Weather in August »

September has mild weather in Machu Picchu with many sunny days and cool nights. A slight uptick in humidity sees the rainfall at 43.2mm (1.7"), but it is still the dry season in the highlands of Peru. Weather in September »

October turns the seasonal cycle in Machu Picchu from the dry and cool to wet and warm conditions. The temperatures register mostly in the 12.2°C (54°F) to 25°C (77°F) range. Weather in October »

November sees the steady advance of the wet season in Machu Picchu with a slight increase in temperatures. The average temperatures are in the 12.8°C (55°F) to 26.1°C (79°F). Weather in November »

December is the warmest month of the year in Machu Picchu and the beginning of the summer. The average high temperature is 26.1°C (79°F). Weather in December »

What is the coldest month in Machu Picchu?

The coldest month is January, with an average high-temperature of 24°C (75.2°F) and an average low-temperature of 13°C (55.4°F).

How much does it rain in Machu Picchu?

Throughout the year, there are 108 rainfall days, and 904mm (35.6") of precipitation is accumulated.

What are the months with the highest UV index in Machu Picchu?

January through April, August through December, with an average UV index of 12, are months with the highest UV index.

What is the wettest month in Machu Picchu?

The month with the most rainfall in Machu Picchu is March when the rain falls for 13 days and typically aggregates up to 151mm (5.9") of precipitation.

What is the driest month in Machu Picchu?

The month with the least rainfall in Machu Picchu, Peru, is June when the rain falls for 2 days and typically collects 17mm (0.7") of precipitation.

What is the month with the lowest UV index in Machu Picchu?

June and July, with an average UV index of 10, are months with the lowest UV index in Machu Picchu.

What are the warmest months in Machu Picchu?

September, November and December, with an average high-temperature of 26°C (78.8°F), are warmest months.
Average temperature - Machu Picchu, Peru
Average rainfall - Machu Picchu, Peru
Average rainfall days - Machu Picchu, Peru
Average daylight / Average sunshine - Machu Picchu, Peru

The month with the longest days is December (Average daylight: 12.9h).
Months with shortest days are June and July (Average daylight: 11.4h).

Months with most sunshine are May, June, July and August (Average sunshine: 8h).
Months with least sunshine are January and February (Average sunshine: 5).

Average UV index - Machu Picchu, Peru

Months with the highest UV index are January, February, March, April, August, September, October, November and December (UV index 12).
Months with the lowest UV index are June and July (UV index 10).

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