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Silves, Portugal

Full City Profile

10,917 Population 144/sq mi density
89 ft Elevation 27 meters
62°F Avg Temperature 17°C
Silves enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 52°F in January while summers reach 73°F in July. The area gets 297 sunny days per year. Annual precipitation totals 21.4 inches. The area receives 0.0 inches of snow annually.

Temperature

52°F Jan (11°C) 73°F Jul (23°C)
Annual Average62.1°F
15% above US avg
January Average52°F (11°C)
July Average73°F (23°C)
Sunny Days297 days/yr

Geography

Elevation89 ft (27 m)
Area75.6 sq mi (195.9 km²)
Population Density144/sq mi
Coordinates37.1892°N, 8.4382°W
TimezoneEurope/Lisbon

Precipitation & Snow

Annual Rainfall 21.4"
44% below US avg
Snowfall 0.0"
Wettest Month (Dec) 3.98"
Driest Month (Jul) 0.08"

Air Quality

Earthquake History

419 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.0. Most recent: M2.9 on Apr 16, 2025.

Aug 26, 2024 56 km W of Sines, Portugal M5.0 132 km
Jan 3, 2005 45 km SSE of Fuzeta, Portugal M4.7 97 km
Jan 10, 2006 82 km SSE of Fuzeta, Portugal M4.5 126 km
Jul 5, 2000 64 km S of Faro, Portugal M4.5 96 km
Jun 22, 1993 71 km SSW of Faro, Portugal M4.4 92 km
Mar 24, 2025 76 km S of Faro, Portugal M4.4 107 km
Apr 8, 2006 36 km S of Mazagón, Spain M4.4 144 km
Jan 11, 2008 87 km WSW of Sagres, Portugal M4.4 137 km
Nov 9, 1993 44 km SSE of Olhão, Portugal M4.3 89 km
May 23, 2005 Strait of Gibraltar M4.3 103 km
Jan 1, 2022 80 km SSE of Olhão, Portugal M4.3 119 km
May 27, 2005 26 km SSW of Carvoeiro, Portugal M4.3 37 km
Sep 8, 2009 103 km S of Faro, Portugal M4.3 131 km
Mar 2, 2016 93 km SSW of Faro, Portugal M4.3 112 km
Sep 24, 1994 41 km SSE of Faro, Portugal M4.3 81 km
Feb 16, 1993 49 km SSE of Senhora da Luz, Portugal M4.2 60 km
Jan 1, 2008 97 km SSE of Sagres, Portugal M4.2 109 km
Aug 18, 2009 113 km S of Faro, Portugal M4.2 140 km
Nov 17, 1995 66 km SSW of Sagres, Portugal M4.2 105 km
Mar 31, 2010 95 km WSW of Sagres, Portugal M4.2 145 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

2 tsunamis recorded within 500 km. Highest wave on record: 18.3 m (60 ft).

Year Location Cause Max Wave Deaths Distance
1755 LISBON Earthquake 18.3 m 50,000 140 km
881 CADIZ Earthquake 138 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 52°F (11°C) 3.1 in Coldest
February 53°F (12°C) 2.5 in
March 56°F (14°C) 1.9 in
April 58°F (15°C) 1.9 in
May 63°F (17°C) 1.1 in
June 69°F (20°C) 0.5 in
July 73°F (23°C) 0.1 in Driest
August 73°F (23°C) 0.1 in Warmest
September 70°F (21°C) 0.7 in
October 64°F (18°C) 2.3 in
November 58°F (15°C) 3.2 in
December 54°F (12°C) 4.0 in Wettest

Silves has a seasonal temperature swing of 21°F / from 52°F in January to 73°F in August. Total annual precipitation is 21.4 inches, with December being the wettest month (4.0") and July the driest (0.1").

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