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Monthly climate in General Las Heras, Argentina

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification General Las Heras features a humid subtropical climate (Cfa). Temperatures typically range between 10 °C (50 °F) and 24 °C (76 °F) through the year, but rarely can drop to -3 °C (26 °F) or can rise to as high as 41 °C (107 °F). The average annual precipitation amounts to about 825 mm (32.5 inches) and receives 81 rainy days on the 1 mm (0.04 inches) threshold annually. General Las Heras enjoys an average of 3411 hours of sunshine throughout the year, and daylight varies from 9 hours 49 minutes to 14 hours 26 minutes per day.

Monthly average temperatures in General Las Heras, Argentina

The warmest months in General Las Heras are January, February and December, with daily mean temperatures ranging from 22 to 24 °C (73 - 76 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 10 to 11 °C (50 - 53 °F) throughout the day. On average each year, General Las Heras experiences 122 days above 25 °C (77.0 °F) and 4 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in General Las Heras. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum41°C
(107°F)		36°C
(98°F)		34°C
(94°F)		31°C
(88°F)		27°C
(82°F)		25°C
(77°F)		25°C
(77°F)		26°C
(80°F)		29°C
(85°F)		35°C
(95°F)		35°C
(95°F)		38°C
(101°F)
Mean maximum37°C
(98°F)		35°C
(95°F)		33°C
(91°F)		29°C
(85°F)		26°C
(79°F)		21°C
(69°F)		23°C
(74°F)		25°C
(78°F)		27°C
(82°F)		30°C
(86°F)		33°C
(92°F)		35°C
(96°F)
Average high30°C
(86°F)		28°C
(83°F)		26°C
(80°F)		23°C
(74°F)		19°C
(66°F)		16°C
(61°F)		15°C
(59°F)		17°C
(63°F)		19°C
(66°F)		22°C
(71°F)		26°C
(78°F)		28°C
(83°F)
Daily mean24°C
(76°F)		23°C
(73°F)		21°C
(69°F)		18°C
(64°F)		13°C
(56°F)		11°C
(52°F)		10°C
(50°F)		11°C
(53°F)		14°C
(57°F)		16°C
(62°F)		20°C
(68°F)		22°C
(73°F)
Average low18°C
(66°F)		17°C
(63°F)		15°C
(60°F)		13°C
(56°F)		9°C
(49°F)		7°C
(44°F)		6°C
(43°F)		7°C
(44°F)		9°C
(48°F)		11°C
(52°F)		14°C
(58°F)		16°C
(61°F)
Mean minimum11°C
(51°F)		9°C
(49°F)		8°C
(47°F)		6°C
(43°F)		2°C
(36°F)		-1°C
(30°F)		-2°C
(29°F)		-1°C
(31°F)		3°C
(37°F)		4°C
(39°F)		6°C
(44°F)		9°C
(49°F)
Minimum10°C
(50°F)		8°C
(47°F)		5°C
(41°F)		3°C
(37°F)		-0°C
(31°F)		-2°C
(28°F)		-3°C
(27°F)		-3°C
(26°F)		-0°C
(32°F)		3°C
(37°F)		5°C
(41°F)		7°C
(44°F)

Compare climate in General Las Heras with other places

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

Monthly average precipitation in General Las Heras, Argentina

General Las Heras usually has the most precipitation in April, October and November, with an average of 8 rainy days and 85 mm (3.3 inches) of precipitation per month. The driest months in General Las Heras are June, July and August. On average, 51 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in General Las Heras. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)71 (2.8)63 (2.5)70 (2.7)92 (3.6)68 (2.7)58 (2.3)52 (2.0)44 (1.7)76 (3.0)83 (3.3)80 (3.2)71 (2.8)
Average precipitation days (≥ 1 mm)776866746888

Monthly sunshine hours in General Las Heras, Argentina

The sunniest months in General Las Heras are February, November and December, when the sun shines an average of 11 hours 35 minutes a day. Least sunny months in General Las Heras: May, June and July receive an average of 7 hours 14 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in General Las Heras. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours295323315252235216214268261309340378
Mean daily daylight hours14h 10m13h 19m12h 14m11h 9m10h 15m9h 49m10h 3m10h 51m11h 53m12h 59m13h 57m14h 26m

Solar UV radiation in General Las Heras, Argentina

General Las Heras experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. May, June and July are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly General Las Heras UV Index data.

Average daily maximum UV levels by month for General Las Heras. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141311753468101314