The climate in Peru

Average daytime and nighttime temperatures

All climate diagrams on this page come from the collected data of 25 weather stations.
Weather stations at an altitude above 3830m have not been included.
All data correspond to the average monthly values of the last 20 years.

Back to overview: Peru

Climate zone: tropics

For 8 months, the average temperatures are over 25 degrees. Pleasant water temperatures of up to 21 degrees even invite you to bathe in the warm season. The warmest and at the same time rainiest region is Amazon Basin. The coldest is Southern Sierra and Altiplano.
Duration of daylight and sunshine in Peru
Compare climate with other regions or countries
Hours of sunshine per daySunshine hours per day in Peru
Rain days per monthRain days per month in Peru
Precipitation in mm/dayPrecipitation in Peru
Water temperatureWater temperatures in Peru
Relative humidity in %Relative humidity in Peru
Absolute humidity in g/m³Absolute humidity in Peru

Regions in Peru

All figures per year. For detailed climate data click on the name of the region.

max Ø day
min Ø night
Amazon Basin30.3 °C21.6 °C1,643 h124 1,967 l80.0 %
North Coast and Northern Sierra27.3 °C18.8 °C14 142 l77.0 %
South Coast23.2 °C15.7 °C2,373 h2 7 l78.0 %
Southern Sierra and Altiplano20.3 °C5.6 °C2,847 h64 456 l60.0 %
Central Sierra22.9 °C17.8 °C1,205 h12 0 l79.0 %
Central Coast22.4 °C17.7 °C1,168 h1 0 l

Temperature records of the last 74 years

The hottest temperature measured from 1949 to January 2023 was reported by the Pucallpa weather station. In August 2006, the record temperature of 40.0 °C was reported here. The hottest summer from July to September, based on all 31 weather stations in Peru below 3,830 meters altitude, was recorded in 1997 with an average temperature of 21.9 °C. This average temperature will normally be measured every four to six hours, thus also including the nights. Normally, this value is 19.7 degrees Celsius.

The coldest day in these 74 years was reported by the Cuzco weather station. Here the temperature dropped to -8.0 °C in May 2014. Cuzco lies at an altitude of 3,249 meters above sea level. The coldest winter (January to March) was in 1950 with an average temperature of 20.8 °C. In Peru, it is usual to have about 1.8 degrees more at 22.5 °C for this three-month period.

The most precipitation fell in February 1978. With 95.2 mm per day, the Quincemil weather station recorded the highest monthly average of the last 74 years. Incidentally, the region with the most rainfall for the whole year is around Tingo Maria. The driest region is near San Juan.

Data basis and methodology

The data from the individual measuring stations are based on the archives of the German Weather Service, individual values averaged and supplemented by own elements. In order to determine a representative national average, average values were first calculated for each part of the country, which were then summarized at the national level. Thus, if a disproportionate number of weather stations are located in a small area, their number does not affect the national average.
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