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Monthly climate in Chaclacayo, Peru

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Chaclacayo features a cold semi-arid climate (BSk). Temperatures typically range between 18 °C (65 °F) and 19 °C (67 °F) through the year, but rarely can drop to 12 °C (54 °F) or can rise to as high as 26 °C (79 °F). The average annual precipitation amounts to about 568 mm (22.4 inches) and receives 100 rainy days on the 1 mm (0.04 inches) threshold annually. Chaclacayo enjoys an average of 3747 hours of sunshine throughout the year, and daylight varies from 11 hours 25 minutes to 12 hours 48 minutes per day.

Monthly average temperatures in Chaclacayo, Peru

The warmest months in Chaclacayo are January, February and March, with daily mean temperatures ranging from 19 to 19 °C (67 - 67 °F) throughout the day. The coldest temperatures usually occur in July, September and October, when daily mean temperatures range from 18 to 19 °C (65 - 66 °F) throughout the day. On average each year, Chaclacayo experiences 1 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Chaclacayo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum26°C
(79°F)		24°C
(76°F)		24°C
(76°F)		26°C
(78°F)		25°C
(78°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		25°C
(77°F)		25°C
(77°F)		26°C
(79°F)
Mean maximum24°C
(76°F)		23°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		23°C
(73°F)		23°C
(74°F)		23°C
(73°F)		23°C
(73°F)		24°C
(75°F)		24°C
(76°F)		24°C
(76°F)
Average high22°C
(71°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		21°C
(71°F)		21°C
(71°F)		21°C
(71°F)		21°C
(71°F)		22°C
(71°F)		22°C
(72°F)		22°C
(72°F)
Daily mean19°C
(67°F)		19°C
(67°F)		19°C
(67°F)		19°C
(66°F)		19°C
(66°F)		19°C
(66°F)		19°C
(66°F)		19°C
(66°F)		18°C
(65°F)		18°C
(65°F)		19°C
(66°F)		19°C
(66°F)
Average low17°C
(63°F)		17°C
(64°F)		18°C
(64°F)		17°C
(62°F)		16°C
(62°F)		16°C
(62°F)		16°C
(62°F)		16°C
(62°F)		16°C
(61°F)		16°C
(61°F)		16°C
(62°F)		17°C
(62°F)
Mean minimum15°C
(60°F)		16°C
(61°F)		16°C
(61°F)		15°C
(59°F)		13°C
(56°F)		14°C
(57°F)		13°C
(57°F)		14°C
(58°F)		14°C
(57°F)		14°C
(58°F)		15°C
(59°F)		15°C
(59°F)
Minimum14°C
(57°F)		14°C
(58°F)		14°C
(58°F)		12°C
(54°F)		13°C
(55°F)		12°C
(54°F)		12°C
(54°F)		14°C
(57°F)		13°C
(55°F)		14°C
(57°F)		14°C
(58°F)		14°C
(57°F)

Compare climate in Chaclacayo with other places

Compare temperature, precipitation, sunshine, UV index in Chaclacayo, Peru with other places around the world.

Monthly average precipitation in Chaclacayo, Peru

Chaclacayo usually has the most precipitation in January, February and March, with an average of 23 rainy days and 143 mm (5.6 inches) of precipitation per month. The driest months in Chaclacayo are June, July and August. On average, 1 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Chaclacayo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)130 (5.1)149 (5.9)151 (5.9)47 (1.8)13 (0.5)1 (0.0)0 (0.0)1 (0.0)6 (0.3)17 (0.7)17 (0.7)37 (1.4)
Average precipitation days (≥ 1 mm)2024251030001539

Monthly sunshine hours in Chaclacayo, Peru

The sunniest months in Chaclacayo are May, August and October, when the sun shines an average of 10 hours 47 minutes a day. Least sunny months in Chaclacayo: January, February and March receive an average of 8 hours 58 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Chaclacayo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours247276292312333319331338327332318316
Mean daily daylight hours12h 43m12h 27m12h 8m11h 48m11h 32m11h 25m11h 29m11h 43m12h 1m12h 21m12h 39m12h 48m

Solar UV radiation in Chaclacayo, Peru

Chaclacayo experiences the highest level of ultraviolet (UV) radiation in March, November and December, when the maximum UV index can reach values of 15 - 15, which corresponds to the Extreme category of sun exposure. May, June and July are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 11. For more detailed information, check out our hourly Chaclacayo UV Index data.

Average daily maximum UV levels by month for Chaclacayo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151515141110111214151515