La Unión, Peru

Full City Profile

34,834 Population 171/sq mi density

49 ft Elevation 15 meters

77°F Avg Temperature 25°C

La Unión has a warm climate with an average annual temperature of 77°F (25°C). Winters average 78°F in January while summers reach 75°F in July. The area gets 349 sunny days per year. Annual precipitation totals 32.0 inches. The area receives 0.0 inches of snow annually.

Temperature

78°F Jan (25°C) 75°F Jul (24°C)

Annual Average	76.6°F
	42% above US avg
January Average	78°F (25°C)
July Average	75°F (24°C)
Sunny Days	349 days/yr

Geography

Elevation	49 ft (15 m)
Area	204.1 sq mi (528.5 km²)
Population Density	171/sq mi
Coordinates	-5.4023°N, 80.7422°W
Timezone	America/Lima

Precipitation & Snow

Annual Rainfall 32.0"

16% below US avg

Snowfall 0.0"

Wettest Month (Mar) 0.63"

Driest Month (May) 0.04"

Air Quality

Earthquake History

221 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.3. Most recent: M4.2 on Aug 27, 2025.

Mar 15, 2014	16 km W of Sechura, Peru	M6.3	32 km
Jul 30, 2021	7 km E of Sullana, Peru	M6.2	56 km
Aug 12, 2013	96 km WSW of Paita, Peru	M6.2	131 km
Feb 15, 2009	near the coast of northern Peru	M6.1	53 km
Feb 9, 2009	117 km SSW of Sechura, Peru	M6.0	137 km
Mar 20, 1991	27 km SSW of Sechura, Peru	M6.0	47 km
Apr 21, 2002	34 km SW of Sechura, Peru	M5.9	53 km
Jun 30, 1997	11 km NNW of La Breita, Peru	M5.8	140 km
Mar 26, 2009	59 km WSW of Sechura, Peru	M5.8	75 km
Aug 15, 1997	44 km SSW of Sechura, Peru	M5.7	64 km
Nov 30, 1995	107 km WSW of Sechura, Peru	M5.6	124 km
Jan 20, 1990	73 km SW of Sechura, Peru	M5.5	93 km
Jun 19, 2011	48 km SSW of Sechura, Peru	M5.5	68 km
Nov 29, 2012	117 km W of Mórrope, Peru	M5.5	137 km
Apr 3, 2012	5 km ENE of Piura, Peru	M5.4	30 km
Aug 27, 2009	44 km SSW of Paita, Peru	M5.3	54 km
Feb 13, 2021	33 km W of Celica, Ecuador	M5.3	149 km
Jun 24, 2005	43 km SSW of Sechura, Peru	M5.3	63 km
Aug 30, 1991	37 km WSW of El Alto, Peru	M5.2	147 km
Sep 11, 2010	Peru-Ecuador border region	M5.2	130 km

Source: USGS (M2.5+, 1990–2025)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	78°F (25°C)	0.2 in
February	80°F (27°C)	0.2 in	Warmest
March	80°F (27°C)	0.6 in	Wettest
April	78°F (25°C)	0.1 in
May	74°F (23°C)	0.0 in	Driest
June	71°F (22°C)	0.0 in
July	75°F (24°C)	0.0 in
August	68°F (20°C)	0.0 in	Coldest
September	68°F (20°C)	0.0 in
October	69°F (21°C)	0.0 in
November	71°F (22°C)	0.0 in
December	75°F (24°C)	0.0 in

La Unión has a seasonal temperature swing of 12°F / from 68°F in August to 80°F in February. Total annual precipitation is 1.5 inches, with March being the wettest month (0.6") and May the driest (0.0").

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