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Monthly climate in Iruya, Argentina

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Iruya features a subtropical climate (Cwb). Temperatures typically range between 7 °C (44 °F) and 11 °C (51 °F) through the year, but rarely can drop to -8 °C (18 °F) or can rise to as high as 24 °C (75 °F). The average annual precipitation amounts to about 1154 mm (45.4 inches) and receives 189 rainy days on the 1 mm (0.04 inches) threshold annually. Iruya enjoys an average of 3754 hours of sunshine throughout the year, and daylight varies from 10 hours 44 minutes to 13 hours 29 minutes per day.

Monthly average temperatures in Iruya, Argentina

The warmest months in Iruya are January, November and December, with daily mean temperatures ranging from 10 to 11 °C (51 - 51 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 7 to 7 °C (44 - 45 °F) throughout the day. On average each year, Iruya experiences 0 days above 25 °C (77.0 °F) and 44 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Iruya. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum21°C
(70°F)		22°C
(72°F)		23°C
(74°F)		23°C
(73°F)		21°C
(69°F)		21°C
(69°F)		20°C
(69°F)		21°C
(71°F)		23°C
(73°F)		24°C
(75°F)		23°C
(73°F)		22°C
(72°F)
Mean maximum20°C
(69°F)		20°C
(69°F)		21°C
(70°F)		21°C
(69°F)		19°C
(66°F)		18°C
(65°F)		19°C
(67°F)		21°C
(70°F)		22°C
(72°F)		23°C
(74°F)		22°C
(71°F)		20°C
(69°F)
Average high16°C
(61°F)		16°C
(60°F)		15°C
(60°F)		15°C
(60°F)		15°C
(59°F)		14°C
(58°F)		15°C
(59°F)		15°C
(60°F)		17°C
(63°F)		17°C
(64°F)		16°C
(62°F)		16°C
(61°F)
Daily mean11°C
(51°F)		10°C
(51°F)		10°C
(50°F)		9°C
(49°F)		7°C
(45°F)		7°C
(44°F)		7°C
(44°F)		7°C
(45°F)		9°C
(49°F)		10°C
(51°F)		10°C
(51°F)		11°C
(51°F)
Average low7°C
(44°F)		7°C
(44°F)		6°C
(43°F)		4°C
(40°F)		2°C
(35°F)		1°C
(33°F)		1°C
(33°F)		0°C
(33°F)		3°C
(38°F)		5°C
(41°F)		6°C
(42°F)		6°C
(44°F)
Mean minimum4°C
(39°F)		3°C
(38°F)		2°C
(37°F)		-1°C
(30°F)		-4°C
(26°F)		-4°C
(25°F)		-5°C
(23°F)		-6°C
(22°F)		-2°C
(29°F)		0°C
(33°F)		2°C
(36°F)		3°C
(38°F)
Minimum1°C
(34°F)		2°C
(37°F)		1°C
(35°F)		-4°C
(25°F)		-5°C
(22°F)		-7°C
(19°F)		-7°C
(20°F)		-8°C
(18°F)		-3°C
(27°F)		-2°C
(29°F)		0°C
(33°F)		1°C
(35°F)

Compare climate in Iruya with other places

Compare temperature, precipitation, sunshine, UV index in Iruya, Argentina with other places around the world.

Monthly average precipitation in Iruya, Argentina

Iruya usually has the most precipitation in January, February and December, with an average of 26 rainy days and 189 mm (7.5 inches) of precipitation per month. The driest months in Iruya are June, July and August. On average, 4 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Iruya. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)184 (7.2)188 (7.4)170 (6.7)84 (3.3)18 (0.7)3 (0.1)3 (0.1)7 (0.3)35 (1.4)98 (3.9)168 (6.6)197 (7.8)
Average precipitation days (≥ 1 mm)2326272050019202929

Monthly sunshine hours in Iruya, Argentina

The sunniest months in Iruya are August, September and October, when the sun shines an average of 11 hours 2 minutes a day. Least sunny months in Iruya: January, February and March receive an average of 9 hours 12 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Iruya. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours257274306308328310323338329348322308
Mean daily daylight hours13h 20m12h 49m12h 10m11h 31m10h 59m10h 44m10h 52m11h 20m11h 57m12h 37m13h 12m13h 29m

Solar UV radiation in Iruya, Argentina

Iruya experiences the highest level of ultraviolet (UV) radiation in February, November and December, when the maximum UV index can reach values of 18 - 19, which corresponds to the Extreme category of sun exposure. May, June and July are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 10. For more detailed information, check out our hourly Iruya UV Index data.

Average daily maximum UV levels by month for Iruya. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)1819161410891216171819