Unión, Argentina

Full City Profile

2,341 Population 5/sq mi density

1,217 ft Elevation 371 meters

61°F Avg Temperature 16°C

Unión enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 76°F in January while summers reach 45°F in July. The area gets 303 sunny days per year. Annual precipitation totals 18.2 inches. The area receives 0.0 inches of snow annually.

Temperature

76°F Jan (25°C) 45°F Jul (7°C)

Annual Average	61.0°F
	13% above US avg
January Average	76°F (25°C)
July Average	45°F (7°C)
Sunny Days	303 days/yr

Geography

Elevation	1,217 ft (371 m)
Area	447.9 sq mi (1,160.0 km²)
Population Density	5/sq mi
Coordinates	-35.1538°N, 65.9462°W
Timezone	America/Argentina/San_Luis

Precipitation & Snow

Annual Rainfall 18.2"

52% below US avg

Snowfall 0.0"

Wettest Month (Dec) 2.83"

Driest Month (Jun) 0.39"

Air Quality

Earthquake History

6 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.7. Most recent: M3.9 on Jan 16, 2015.

Jul 17, 2013	118 km NW of Unión, Argentina	M4.7	119 km
Apr 1, 1990	102 km ESE of San Rafael, Argentina	M4.5	125 km
May 7, 2004	110 km NNW of Santa Isabel, Argentina	M4.4	137 km
Jan 21, 2004	109 km SE of San Rafael, Argentina	M4.3	138 km
Jul 13, 2013	109 km NW of Unión, Argentina	M4.2	110 km
Jan 16, 2015	50 km NW of Unión, Argentina	M3.9	51 km

Source: USGS (M2.5+, 1990–2025)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	76°F (25°C)	2.5 in	Warmest
February	73°F (23°C)	2.4 in
March	68°F (20°C)	2.1 in
April	61°F (16°C)	1.3 in
May	53°F (11°C)	0.8 in
June	46°F (8°C)	0.4 in	Driest
July	45°F (7°C)	0.5 in	Coldest
August	49°F (10°C)	0.5 in
September	55°F (13°C)	0.9 in
October	63°F (17°C)	2.0 in
November	69°F (21°C)	2.0 in
December	75°F (24°C)	2.8 in	Wettest

Unión has a seasonal temperature swing of 31°F / from 45°F in July to 76°F in January. Total annual precipitation is 18.2 inches, with December being the wettest month (2.8") and June the driest (0.4").

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