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Monthly climate in Santiago del Estero, Argentina

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Santiago del Estero features a hot semi-arid climate (BSh). Temperatures typically range between 14 °C (58 °F) and 28 °C (84 °F) through the year, but rarely can drop to -2 °C (28 °F) or can rise to as high as 45 °C (114 °F). The average annual precipitation amounts to about 597 mm (23.5 inches) and receives 73 rainy days on the 1 mm (0.04 inches) threshold annually. Santiago del Estero enjoys an average of 3356 hours of sunshine throughout the year, and daylight varies from 10 hours 23 minutes to 13 hours 51 minutes per day.

Monthly average temperatures in Santiago del Estero, Argentina

The warmest months in Santiago del Estero are January, February and December, with daily mean temperatures ranging from 27 to 28 °C (80 - 84 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 14 to 17 °C (58 - 64 °F) throughout the day. On average each year, Santiago del Estero experiences 231 days above 25 °C (77.0 °F) and 1 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Santiago del Estero. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum43°C
(110°F)		42°C
(108°F)		41°C
(105°F)		36°C
(98°F)		32°C
(90°F)		32°C
(90°F)		33°C
(91°F)		38°C
(100°F)		41°C
(107°F)		43°C
(110°F)		45°C
(114°F)		45°C
(113°F)
Mean maximum42°C
(107°F)		40°C
(104°F)		38°C
(100°F)		34°C
(93°F)		30°C
(87°F)		27°C
(81°F)		31°C
(88°F)		36°C
(97°F)		40°C
(104°F)		41°C
(106°F)		42°C
(108°F)		43°C
(110°F)
Average high34°C
(94°F)		32°C
(91°F)		30°C
(87°F)		28°C
(82°F)		24°C
(75°F)		21°C
(70°F)		21°C
(71°F)		25°C
(78°F)		28°C
(83°F)		30°C
(87°F)		33°C
(91°F)		34°C
(94°F)
Daily mean28°C
(84°F)		27°C
(80°F)		25°C
(77°F)		22°C
(72°F)		18°C
(64°F)		15°C
(58°F)		14°C
(58°F)		17°C
(64°F)		21°C
(70°F)		24°C
(75°F)		26°C
(80°F)		28°C
(83°F)
Average low23°C
(74°F)		22°C
(72°F)		20°C
(69°F)		18°C
(64°F)		13°C
(56°F)		9°C
(49°F)		8°C
(46°F)		10°C
(50°F)		14°C
(58°F)		17°C
(64°F)		20°C
(69°F)		22°C
(72°F)
Mean minimum18°C
(64°F)		17°C
(62°F)		14°C
(57°F)		11°C
(52°F)		5°C
(41°F)		2°C
(36°F)		-1°C
(30°F)		2°C
(35°F)		5°C
(41°F)		9°C
(49°F)		13°C
(56°F)		17°C
(63°F)
Minimum17°C
(62°F)		13°C
(57°F)		10°C
(51°F)		7°C
(45°F)		2°C
(36°F)		0°C
(33°F)		-2°C
(28°F)		-0°C
(32°F)		2°C
(36°F)		8°C
(47°F)		10°C
(51°F)		15°C
(59°F)

Compare climate in Santiago del Estero with other places

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

Monthly average precipitation in Santiago del Estero, Argentina

Santiago del Estero usually has the most precipitation in January, February and March, with an average of 10 rainy days and 99 mm (3.9 inches) of precipitation per month. The driest months in Santiago del Estero are June, July and August. On average, 7 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Santiago del Estero. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)108 (4.3)95 (3.8)93 (3.7)66 (2.6)26 (1.0)10 (0.4)8 (0.3)3 (0.1)22 (0.9)36 (1.4)68 (2.7)61 (2.4)
Average precipitation days (≥ 1 mm)11910852213688

Monthly sunshine hours in Santiago del Estero, Argentina

The sunniest months in Santiago del Estero are August, November and December, when the sun shines an average of 10 hours 30 minutes a day. Least sunny months in Santiago del Estero: April, May and June receive an average of 7 hours 51 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Santiago del Estero. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours270290288246228240259302284281318345
Mean daily daylight hours13h 39m13h 1m12h 12m11h 23m10h 42m10h 23m10h 34m11h 9m11h 56m12h 45m13h 29m13h 51m

Solar UV radiation in Santiago del Estero, Argentina

Santiago del Estero experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 15 - 15, which corresponds to the Extreme category of sun exposure. May, June and July are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 7. For more detailed information, check out our hourly Santiago del Estero UV Index data.

Average daily maximum UV levels by month for Santiago del Estero. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)15141310756710121515