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Mértola, Portugal

Full City Profile

7,274 Population 59/sq mi density
187 ft Elevation 57 meters
63°F Avg Temperature 17°C
Mértola enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 51°F in January while summers reach 77°F in July. The area gets 298 sunny days per year. Annual precipitation totals 20.7 inches. The area receives 0.0 inches of snow annually.

Temperature

51°F Jan (11°C) 77°F Jul (25°C)
Annual Average63.0°F
17% above US avg
January Average51°F (11°C)
July Average77°F (25°C)
Sunny Days298 days/yr

Geography

Elevation187 ft (57 m)
Area122.3 sq mi (316.7 km²)
Population Density59/sq mi
Coordinates37.6430°N, 7.6611°W
TimezoneEurope/Lisbon

Precipitation & Snow

Annual Rainfall 20.7"
46% below US avg
Snowfall 0.0"
Wettest Month (Dec) 3.78"
Driest Month (Jul) 0.08"

Air Quality

Earthquake History

337 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.7. Most recent: M2.9 on Apr 16, 2025.

Jan 3, 2005 45 km SSE of Fuzeta, Portugal M4.7 108 km
Jan 10, 2006 82 km SSE of Fuzeta, Portugal M4.5 145 km
Jul 5, 2000 64 km S of Faro, Portugal M4.5 136 km
Apr 8, 2006 36 km S of Mazagón, Spain M4.4 115 km
Jun 22, 1993 71 km SSW of Faro, Portugal M4.4 144 km
Mar 24, 2025 76 km S of Faro, Portugal M4.4 148 km
May 23, 2005 Strait of Gibraltar M4.3 128 km
Jan 1, 2022 80 km SSE of Olhão, Portugal M4.3 147 km
Sep 24, 1994 41 km SSE of Faro, Portugal M4.3 111 km
Jul 4, 1994 13 km ENE of El Cerro de Andévalo, Spain M4.3 77 km
May 27, 2005 26 km SSW of Carvoeiro, Portugal M4.3 117 km
Nov 9, 1993 44 km SSE of Olhão, Portugal M4.3 111 km
Feb 16, 1993 49 km SSE of Senhora da Luz, Portugal M4.2 136 km
Mar 27, 2010 13 km SE of Vale da Amoreira, Portugal M4.1 148 km
Jan 22, 2006 0 km SE of Feria, Spain M4.1 136 km
Jan 15, 2018 25 km NNW of Évora, Portugal M4.1 130 km
Sep 9, 1994 Strait of Gibraltar M4.1 104 km
Aug 10, 2004 45 km SSW of Punta Umbría, Spain M4.0 106 km
Aug 3, 2004 69 km S of Faro, Portugal M4.0 139 km
Jan 9, 2007 22 km SSW of Faro, Portugal M4.0 96 km
Source: USGS (M2.5+, 1990–2025)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 51°F (11°C) 3.0 in Coldest
February 53°F (12°C) 2.2 in
March 56°F (13°C) 1.6 in
April 59°F (15°C) 2.0 in
May 64°F (18°C) 1.4 in
June 71°F (22°C) 0.6 in
July 77°F (25°C) 0.1 in Warmest, Driest
August 77°F (25°C) 0.2 in
September 73°F (23°C) 0.8 in
October 65°F (18°C) 2.3 in
November 58°F (14°C) 2.9 in
December 53°F (12°C) 3.8 in Wettest

Mértola has a seasonal temperature swing of 26°F / from 51°F in January to 77°F in July. Total annual precipitation is 20.7 inches, with December being the wettest month (3.8") and July the driest (0.1").

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