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Monthly climate in Iray, Peru

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Iray features a cold semi-arid climate (BSk). Temperatures typically range between 10 °C (50 °F) and 12 °C (54 °F) through the year, but rarely can drop to 1 °C (34 °F) or can rise to as high as 21 °C (70 °F). The average annual precipitation amounts to about 734 mm (28.9 inches) and receives 155 rainy days on the 1 mm (0.04 inches) threshold annually. Iray enjoys an average of 3807 hours of sunshine throughout the year, and daylight varies from 11 hours 11 minutes to 13 hours 2 minutes per day.

Monthly average temperatures in Iray, Peru

The warmest months in Iray are October, November and December, with daily mean temperatures ranging from 12 to 12 °C (53 - 54 °F) throughout the day. The coldest temperatures usually occur in February, June and July, when daily mean temperatures range from 10 to 10 °C (50 - 51 °F) throughout the day. On average each year, Iray 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 Iray. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum19°C
(67°F)		18°C
(65°F)		18°C
(65°F)		19°C
(66°F)		20°C
(68°F)		20°C
(68°F)		20°C
(68°F)		21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		21°C
(70°F)
Mean maximum18°C
(65°F)		17°C
(63°F)		17°C
(63°F)		18°C
(65°F)		19°C
(66°F)		18°C
(64°F)		19°C
(66°F)		20°C
(67°F)		20°C
(69°F)		20°C
(68°F)		20°C
(68°F)		20°C
(68°F)
Average high15°C
(59°F)		15°C
(59°F)		15°C
(59°F)		16°C
(62°F)		17°C
(62°F)		16°C
(61°F)		17°C
(62°F)		17°C
(63°F)		18°C
(65°F)		18°C
(64°F)		18°C
(64°F)		17°C
(63°F)
Daily mean11°C
(51°F)		10°C
(51°F)		11°C
(51°F)		11°C
(52°F)		11°C
(52°F)		10°C
(50°F)		10°C
(50°F)		11°C
(51°F)		12°C
(53°F)		12°C
(54°F)		12°C
(54°F)		12°C
(53°F)
Average low8°C
(46°F)		8°C
(46°F)		8°C
(46°F)		7°C
(45°F)		6°C
(43°F)		5°C
(41°F)		4°C
(40°F)		5°C
(41°F)		6°C
(44°F)		7°C
(45°F)		8°C
(46°F)		8°C
(47°F)
Mean minimum6°C
(43°F)		6°C
(42°F)		6°C
(43°F)		5°C
(41°F)		3°C
(38°F)		3°C
(38°F)		2°C
(36°F)		2°C
(36°F)		4°C
(40°F)		5°C
(41°F)		5°C
(42°F)		6°C
(43°F)
Minimum5°C
(41°F)		4°C
(39°F)		5°C
(40°F)		4°C
(40°F)		1°C
(35°F)		2°C
(35°F)		1°C
(34°F)		1°C
(34°F)		4°C
(39°F)		4°C
(39°F)		5°C
(40°F)		6°C
(42°F)

Compare climate in Iray with other places

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

Monthly average precipitation in Iray, Peru

Iray usually has the most precipitation in January, February and March, with an average of 26 rainy days and 153 mm (6.0 inches) of precipitation per month. The driest months in Iray are June, July and August. On average, 8 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Iray. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)159 (6.3)149 (5.9)151 (5.9)77 (3.0)32 (1.3)11 (0.5)9 (0.3)5 (0.2)19 (0.7)34 (1.3)28 (1.1)62 (2.4)
Average precipitation days (≥ 1 mm)2326292111421610814

Monthly sunshine hours in Iray, Peru

The sunniest months in Iray are August, October and November, when the sun shines an average of 11 hours 19 minutes a day. Least sunny months in Iray: January, February and March receive an average of 8 hours 46 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Iray. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours239264294305329320334343338353344339
Mean daily daylight hours12h 56m12h 35m12h 9m11h 42m11h 21m11h 11m11h 16m11h 35m12h 0m12h 27m12h 50m13h 2m

Solar UV radiation in Iray, Peru

Iray experiences the highest level of ultraviolet (UV) radiation in January, February and November, 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 13. For more detailed information, check out our hourly Iray UV Index data.

Average daily maximum UV levels by month for Iray. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)191918161311121416181918