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Monthly climate in Las Heras, Argentina

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Las Heras features a cold desert climate (BWk). Temperatures typically range between 7 °C (46 °F) and 25 °C (77 °F) through the year, but rarely can drop to -5 °C (24 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 408 mm (16.1 inches) and receives 62 rainy days on the 1 mm (0.04 inches) threshold annually. Las Heras enjoys an average of 3837 hours of sunshine throughout the year, and daylight varies from 10 hours 0 minutes to 14 hours 15 minutes per day.

Monthly average temperatures in Las Heras, Argentina

The warmest months in Las Heras are January, February and December, with daily mean temperatures ranging from 23 to 25 °C (73 - 77 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 7 to 10 °C (46 - 51 °F) throughout the day. On average each year, Las Heras experiences 135 days above 25 °C (77.0 °F) and 9 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Las Heras. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum38°C
(100°F)		38°C
(100°F)		35°C
(95°F)		33°C
(91°F)		26°C
(78°F)		24°C
(75°F)		22°C
(72°F)		30°C
(87°F)		33°C
(92°F)		35°C
(95°F)		36°C
(96°F)		38°C
(101°F)
Mean maximum37°C
(99°F)		35°C
(96°F)		33°C
(92°F)		29°C
(84°F)		22°C
(73°F)		19°C
(67°F)		21°C
(70°F)		26°C
(79°F)		30°C
(86°F)		32°C
(90°F)		34°C
(94°F)		37°C
(98°F)
Average high31°C
(88°F)		29°C
(84°F)		26°C
(80°F)		22°C
(73°F)		17°C
(64°F)		14°C
(58°F)		14°C
(57°F)		17°C
(63°F)		21°C
(69°F)		24°C
(75°F)		28°C
(82°F)		30°C
(85°F)
Daily mean25°C
(77°F)		23°C
(73°F)		20°C
(69°F)		17°C
(62°F)		12°C
(53°F)		8°C
(47°F)		7°C
(46°F)		10°C
(51°F)		14°C
(57°F)		17°C
(63°F)		21°C
(70°F)		23°C
(74°F)
Average low19°C
(66°F)		17°C
(63°F)		14°C
(58°F)		11°C
(52°F)		7°C
(45°F)		3°C
(38°F)		2°C
(36°F)		4°C
(40°F)		8°C
(46°F)		11°C
(51°F)		14°C
(58°F)		17°C
(62°F)
Mean minimum13°C
(55°F)		11°C
(52°F)		7°C
(46°F)		6°C
(43°F)		2°C
(36°F)		-2°C
(29°F)		-3°C
(28°F)		-1°C
(30°F)		2°C
(36°F)		3°C
(38°F)		9°C
(48°F)		11°C
(52°F)
Minimum8°C
(47°F)		9°C
(49°F)		4°C
(40°F)		1°C
(34°F)		0°C
(33°F)		-4°C
(25°F)		-5°C
(24°F)		-3°C
(26°F)		0°C
(32°F)		2°C
(37°F)		6°C
(44°F)		9°C
(49°F)

Compare climate in Las Heras with other places

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

Monthly average precipitation in Las Heras, Argentina

Las Heras usually has the most precipitation in February, March and April, with an average of 6 rainy days and 48 mm (1.9 inches) of precipitation per month. The driest months in Las Heras are June, July and August. On average, 16 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Las Heras. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)34 (1.4)54 (2.1)43 (1.7)45 (1.8)37 (1.4)19 (0.7)15 (0.6)14 (0.6)21 (0.8)39 (1.5)43 (1.7)43 (1.7)
Average precipitation days (≥ 1 mm)577653334676

Monthly sunshine hours in Las Heras, Argentina

The sunniest months in Las Heras are October, November and December, when the sun shines an average of 12 hours 14 minutes a day. Least sunny months in Las Heras: May, June and July receive an average of 8 hours 52 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Las Heras. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours312327335283271264281312321357371397
Mean daily daylight hours14h 1m13h 13m12h 14m11h 13m10h 24m10h 0m10h 13m10h 56m11h 54m12h 54m13h 48m14h 15m

Solar UV radiation in Las Heras, Argentina

Las Heras experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 14 - 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 6. For more detailed information, check out our hourly Las Heras UV Index data.

Average daily maximum UV levels by month for Las Heras. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151412864569121415