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Monthly climate in Aco, Peru

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Aco features a cold semi-arid climate (BSk). Temperatures typically range between 10 °C (51 °F) and 11 °C (53 °F) through the year, but rarely can drop to 1 °C (33 °F) or can rise to as high as 20 °C (69 °F). The average annual precipitation amounts to about 2244 mm (88.4 inches) and receives 272 rainy days on the 1 mm (0.04 inches) threshold annually. Aco enjoys an average of 3335 hours of sunshine throughout the year, and daylight varies from 11 hours 37 minutes to 12 hours 36 minutes per day.

Monthly average temperatures in Aco, Peru

The warmest months in Aco are June, August and September, with daily mean temperatures ranging from 11 to 11 °C (52 - 53 °F) throughout the day. The coldest temperatures usually occur in January, March and April, when daily mean temperatures range from 10 to 11 °C (51 - 51 °F) throughout the day. On average each year, Aco experiences 0 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 Aco. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum19°C
(66°F)		20°C
(67°F)		19°C
(66°F)		18°C
(65°F)		19°C
(67°F)		20°C
(68°F)		20°C
(68°F)		20°C
(69°F)		20°C
(68°F)		20°C
(68°F)		19°C
(66°F)		19°C
(66°F)
Mean maximum18°C
(65°F)		18°C
(65°F)		18°C
(65°F)		18°C
(64°F)		18°C
(65°F)		18°C
(65°F)		19°C
(67°F)		20°C
(67°F)		19°C
(67°F)		18°C
(65°F)		18°C
(64°F)		18°C
(65°F)
Average high15°C
(60°F)		15°C
(60°F)		15°C
(60°F)		16°C
(61°F)		16°C
(61°F)		17°C
(62°F)		17°C
(63°F)		17°C
(64°F)		17°C
(62°F)		16°C
(61°F)		16°C
(61°F)		15°C
(60°F)
Daily mean10°C
(51°F)		11°C
(51°F)		10°C
(51°F)		11°C
(51°F)		11°C
(52°F)		11°C
(52°F)		11°C
(52°F)		11°C
(53°F)		11°C
(53°F)		11°C
(52°F)		11°C
(52°F)		11°C
(52°F)
Average low7°C
(44°F)		7°C
(45°F)		7°C
(45°F)		6°C
(44°F)		6°C
(43°F)		6°C
(42°F)		5°C
(41°F)		5°C
(42°F)		6°C
(44°F)		7°C
(44°F)		7°C
(45°F)		7°C
(45°F)
Mean minimum4°C
(39°F)		3°C
(38°F)		4°C
(39°F)		4°C
(39°F)		3°C
(37°F)		3°C
(38°F)		3°C
(37°F)		2°C
(36°F)		4°C
(39°F)		4°C
(39°F)		4°C
(39°F)		3°C
(38°F)
Minimum3°C
(38°F)		1°C
(34°F)		3°C
(37°F)		3°C
(38°F)		2°C
(35°F)		2°C
(35°F)		2°C
(36°F)		1°C
(33°F)		3°C
(38°F)		3°C
(37°F)		3°C
(38°F)		2°C
(37°F)

Compare climate in Aco with other places

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

Monthly average precipitation in Aco, Peru

Aco usually has the most precipitation in February, March and December, with an average of 28 rainy days and 312 mm (12.3 inches) of precipitation per month. The driest months in Aco are June, July and August. On average, 48 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Aco. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)237 (9.3)261 (10.3)383 (15.1)251 (9.9)160 (6.3)66 (2.6)39 (1.5)39 (1.5)111 (4.4)220 (8.7)186 (7.3)291 (11.5)
Average precipitation days (≥ 1 mm)24263028291711920272328

Monthly sunshine hours in Aco, Peru

The sunniest months in Aco are July, August and September, when the sun shines an average of 10 hours 30 minutes a day. Least sunny months in Aco: January, February and March receive an average of 7 hours 12 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Aco. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours192235227267308307325330311295272261
Mean daily daylight hours12h 32m12h 21m12h 7m11h 53m11h 42m11h 37m11h 39m11h 49m12h 2m12h 17m12h 29m12h 36m

Solar UV radiation in Aco, Peru

Aco experiences the highest level of ultraviolet (UV) radiation in January, March and April, when the maximum UV index can reach values of 18 - 19, which corresponds to the Extreme category of sun exposure. June, July and August are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 14. For more detailed information, check out our hourly Aco UV Index data.

Average daily maximum UV levels by month for Aco. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)181819181513141417171717