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Monthly climate in Cayna, Peru

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Cayna features a ice cap climate ET). Temperatures typically range between 6 °C (42 °F) and 8 °C (47 °F) through the year, but rarely can drop to -5 °C (23 °F) or can rise to as high as 18 °C (66 °F). The average annual precipitation amounts to about 1351 mm (53.2 inches) and receives 249 rainy days on the 1 mm (0.04 inches) threshold annually. Cayna enjoys an average of 3436 hours of sunshine throughout the year, and daylight varies from 11 hours 31 minutes to 12 hours 41 minutes per day.

Monthly average temperatures in Cayna, Peru

The warmest months in Cayna are February, November and December, with daily mean temperatures ranging from 8 to 8 °C (47 - 47 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 6 to 6 °C (42 - 44 °F) throughout the day. On average each year, Cayna experiences 0 days above 25 °C (77.0 °F) and 37 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Cayna. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum17°C
(63°F)		17°C
(63°F)		16°C
(61°F)		17°C
(63°F)		16°C
(62°F)		16°C
(61°F)		16°C
(60°F)		16°C
(61°F)		15°C
(59°F)		17°C
(62°F)		17°C
(62°F)		18°C
(66°F)
Mean maximum16°C
(60°F)		16°C
(61°F)		15°C
(58°F)		15°C
(60°F)		14°C
(58°F)		14°C
(58°F)		14°C
(58°F)		15°C
(59°F)		15°C
(58°F)		16°C
(61°F)		16°C
(61°F)		17°C
(63°F)
Average high12°C
(54°F)		13°C
(55°F)		12°C
(54°F)		13°C
(55°F)		12°C
(54°F)		12°C
(53°F)		12°C
(53°F)		12°C
(54°F)		12°C
(54°F)		12°C
(55°F)		13°C
(56°F)		13°C
(56°F)
Daily mean8°C
(46°F)		8°C
(47°F)		8°C
(46°F)		7°C
(46°F)		7°C
(45°F)		6°C
(44°F)		6°C
(42°F)		6°C
(43°F)		6°C
(44°F)		7°C
(45°F)		8°C
(47°F)		8°C
(47°F)
Average low4°C
(40°F)		5°C
(40°F)		5°C
(41°F)		4°C
(39°F)		3°C
(38°F)		1°C
(35°F)		0°C
(32°F)		0°C
(33°F)		2°C
(36°F)		3°C
(38°F)		4°C
(40°F)		4°C
(40°F)
Mean minimum1°C
(34°F)		2°C
(35°F)		2°C
(36°F)		-0°C
(32°F)		-1°C
(30°F)		-2°C
(29°F)		-4°C
(25°F)		-3°C
(26°F)		-1°C
(30°F)		-1°C
(31°F)		1°C
(34°F)		1°C
(35°F)
Minimum-2°C
(28°F)		-0°C
(32°F)		1°C
(35°F)		-1°C
(30°F)		-4°C
(26°F)		-4°C
(25°F)		-5°C
(24°F)		-5°C
(23°F)		-2°C
(29°F)		-2°C
(29°F)		-0°C
(32°F)		-1°C
(30°F)

Compare climate in Cayna with other places

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

Monthly average precipitation in Cayna, Peru

Cayna usually has the most precipitation in February, March and December, with an average of 28 rainy days and 182 mm (7.2 inches) of precipitation per month. The driest months in Cayna are June, July and August. On average, 42 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Cayna. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)165 (6.5)187 (7.4)188 (7.4)106 (4.2)80 (3.1)43 (1.7)35 (1.4)48 (1.9)74 (2.9)118 (4.7)136 (5.3)171 (6.7)
Average precipitation days (≥ 1 mm)25273023201081117242628

Monthly sunshine hours in Cayna, Peru

The sunniest months in Cayna are May, July and August, when the sun shines an average of 10 hours 29 minutes a day. Least sunny months in Cayna: January, February and March receive an average of 7 hours 43 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Cayna. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours207235259292321305324330314307264273
Mean daily daylight hours12h 37m12h 24m12h 7m11h 51m11h 37m11h 31m11h 34m11h 46m12h 2m12h 19m12h 34m12h 41m

Solar UV radiation in Cayna, Peru

Cayna experiences the highest level of ultraviolet (UV) radiation in January, February and March, when the maximum UV index can reach values of 19 - 19, which corresponds to the Extreme category of sun exposure. May, June and July are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 15. For more detailed information, check out our hourly Cayna UV Index data.

Average daily maximum UV levels by month for Cayna. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)191919181513141517181818