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Monthly climate in Arequipa, Peru

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Arequipa features a cold desert climate (BWk). Temperatures typically range between 13 °C (55 °F) and 15 °C (59 °F) through the year, but rarely can drop to 3 °C (38 °F) or can rise to as high as 25 °C (77 °F). The average annual precipitation amounts to about 867 mm (34.1 inches) and receives 115 rainy days on the 1 mm (0.04 inches) threshold annually. Arequipa enjoys an average of 3888 hours of sunshine throughout the year, and daylight varies from 11 hours 8 minutes to 13 hours 4 minutes per day.

Monthly average temperatures in Arequipa, Peru

The warmest months in Arequipa are September, October and November, with daily mean temperatures ranging from 15 to 15 °C (59 - 59 °F) throughout the day. The coldest temperatures usually occur in February, March and July, when daily mean temperatures range from 13 to 13 °C (55 - 55 °F) throughout the day. On average each year, Arequipa 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 Arequipa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum23°C
(73°F)		20°C
(69°F)		20°C
(68°F)		21°C
(71°F)		23°C
(74°F)		23°C
(74°F)		23°C
(73°F)		23°C
(74°F)		25°C
(77°F)		24°C
(76°F)		24°C
(75°F)		24°C
(75°F)
Mean maximum20°C
(68°F)		19°C
(66°F)		19°C
(67°F)		20°C
(69°F)		22°C
(71°F)		21°C
(70°F)		22°C
(72°F)		22°C
(73°F)		23°C
(74°F)		23°C
(74°F)		23°C
(73°F)		22°C
(72°F)
Average high17°C
(62°F)		16°C
(62°F)		17°C
(62°F)		18°C
(65°F)		20°C
(68°F)		20°C
(67°F)		20°C
(68°F)		20°C
(69°F)		21°C
(70°F)		21°C
(70°F)		20°C
(68°F)		19°C
(67°F)
Daily mean13°C
(55°F)		13°C
(55°F)		13°C
(55°F)		13°C
(56°F)		13°C
(56°F)		13°C
(55°F)		13°C
(55°F)		13°C
(56°F)		15°C
(59°F)		15°C
(59°F)		15°C
(59°F)		14°C
(58°F)
Average low10°C
(51°F)		10°C
(50°F)		10°C
(50°F)		9°C
(49°F)		8°C
(47°F)		7°C
(45°F)		7°C
(45°F)		7°C
(45°F)		9°C
(48°F)		10°C
(50°F)		10°C
(50°F)		10°C
(51°F)
Mean minimum8°C
(46°F)		8°C
(46°F)		8°C
(46°F)		6°C
(43°F)		6°C
(42°F)		5°C
(42°F)		4°C
(40°F)		5°C
(41°F)		7°C
(44°F)		7°C
(44°F)		7°C
(45°F)		8°C
(46°F)
Minimum6°C
(43°F)		7°C
(44°F)		7°C
(44°F)		5°C
(41°F)		5°C
(41°F)		4°C
(39°F)		4°C
(39°F)		3°C
(38°F)		6°C
(43°F)		6°C
(43°F)		7°C
(44°F)		7°C
(45°F)

Compare climate in Arequipa with other places

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

Monthly average precipitation in Arequipa, Peru

Arequipa usually has the most precipitation in January, February and March, with an average of 27 rainy days and 236 mm (9.3 inches) of precipitation per month. The driest months in Arequipa are June, July and August. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Arequipa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)242 (9.5)235 (9.3)231 (9.1)57 (2.3)6 (0.2)1 (0.0)1 (0.0)0 (0.0)1 (0.0)12 (0.5)17 (0.7)65 (2.5)
Average precipitation days (≥ 1 mm)25272912200003512

Monthly sunshine hours in Arequipa, Peru

The sunniest months in Arequipa are October, November and December, when the sun shines an average of 11 hours 34 minutes a day. Least sunny months in Arequipa: January, February and March receive an average of 9 hours 5 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Arequipa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours249272305316333322334345342361352351
Mean daily daylight hours12h 58m12h 36m12h 9m11h 41m11h 19m11h 8m11h 14m11h 34m12h 0m12h 27m12h 52m13h 4m

Solar UV radiation in Arequipa, Peru

Arequipa experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 17 - 18, 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 12. For more detailed information, check out our hourly Arequipa UV Index data.

Average daily maximum UV levels by month for Arequipa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)181717151210111315171817