Weather & Climate in Las Heras, Argentina

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Las Heras enjoys a temperate climate with an average annual temperature of 60°F (15°C). Winters average 70°F in January while summers reach 45°F in July / relatively mild seasonal variation. The area gets 324 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 26.2 inches (drier than the 38-inch national average). The area receives 2.6 inches of snow annually. The city sits at an elevation of 2,697 feet.

Temperature

70°F Jan (21°C) 45°F Jul (7°C)

Annual Average	59.5°F
	10% above US avg
January Average	70°F (21°C)
July Average	45°F (7°C)
Sunny Days	324 days/yr

Geography

Elevation	2,697 ft (822 m)
Area	20.9 sq mi (54.0 km²)
Population Density	0/sq mi
Coordinates	-32.8503°N, 68.8405°W
Timezone	America/Argentina/Mendoza

Precipitation & Snow

Annual Rainfall 26.2"

31% below US avg

Snowfall 2.6"

Wettest Month (Jan) 1.50"

Driest Month (Apr) 0.60"

Air Quality

Earthquake History

3,446 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.4.

Jan 19, 2021	26 km SW of Pocito, Argentina	M6.4	113 km	21 km
Jun 8, 1993	30 km SE of Calingasta, Argentina	M6.3	148 km	113 km
Feb 27, 2010	40 km WSW of Villa Basilio Nievas, Argentina	M6.0	135 km	40 km
Feb 12, 2010	67 km SSW of San Martín, Argentina	M5.8	86 km	148 km
Oct 30, 1993	7 km SE of Caucete, Argentina	M5.8	140 km	107 km
Jul 16, 1990	72 km NE of Los Andes, Chile	M5.7	113 km	102 km
Jul 9, 2023	30 km ENE of Chicureo Abajo, Chile	M5.7	145 km	99 km
Jan 24, 2021	41 km ENE of Villa Presidente Frei, Ñuñoa, Santiago, Chile, Chile	M5.7	134 km	109 km
Aug 5, 2006	23 km WSW of San Martín, Argentina	M5.6	33 km	25 km
Dec 21, 1990	79 km WNW of Mendoza, Argentina	M5.5	77 km	116 km
Nov 27, 1998	86 km SW of Villa Basilio Nievas, Argentina	M5.5	91 km	127 km
Oct 11, 2012	27 km E of Los Andes, Chile	M5.5	137 km	82 km
Aug 2, 1999	46 km ESE of Los Andes, Chile	M5.5	124 km	95 km
Feb 3, 2017	85 km WSW of Mendoza, Argentina	M5.4	86 km	10 km
Dec 1, 1991	81 km S of Calingasta, Argentina	M5.4	108 km	115 km
May 8, 2009	83 km SSW of Calingasta, Argentina	M5.4	118 km	112 km
Jun 19, 1997	48 km E of Chicureo Abajo, Chile	M5.4	127 km	106 km
Jun 20, 2019	66 km SSW of San Martín, Argentina	M5.4	87 km	150 km
Oct 12, 2001	79 km ENE of Villa Presidente Frei, Ñuñoa, Santiago, Chile, Chile	M5.3	98 km	4 km
Feb 10, 1997	7 km ESE of Mendoza, Argentina	M5.3	12 km	149 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Nearby Volcanoes

3 volcanoes within 200 km. Closest: Tupungatito (110 km).

Name	Type	Elevation	Last Eruption	Distance
Tupungatito	Stratovolcano	5,660 m (18,570 ft)	1987	110 km
San Jose	Stratovolcano(es)	6,070 m (19,915 ft)	1960	143 km
Maipo	Caldera	5,323 m (17,464 ft)	1912	173 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	70°F (21°C)	1.5 in	Wettest
February	71°F (22°C)	1.4 in
March	67°F (19°C)	1.1 in
April	59°F (15°C)	0.6 in	Driest
May	52°F (11°C)	0.7 in
June	46°F (8°C)	0.6 in
July	45°F (7°C)	0.7 in	Coldest
August	49°F (9°C)	0.6 in
September	54°F (12°C)	0.6 in
October	62°F (17°C)	0.7 in
November	67°F (20°C)	0.8 in
December	72°F (22°C)	1.0 in	Warmest

Las Heras has a seasonal temperature swing of 28°F / from 45°F in July to 72°F in December. Total annual precipitation is 10.3 inches, with January being the wettest month (1.5") and April the driest (0.6").

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