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Paço de Arcos, Portugal

Full City Profile

25,974 Population 3,573/sq mi density
49 ft Elevation 15 meters
61°F Avg Temperature 16°C
Paço de Arcos enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 52°F in January while summers reach 71°F in July. The area gets 284 sunny days per year. Annual precipitation totals 28.4 inches. The area receives 0.0 inches of snow annually.

Temperature

52°F Jan (11°C) 71°F Jul (22°C)
Annual Average61.4°F
14% above US avg
January Average52°F (11°C)
July Average71°F (22°C)
Sunny Days284 days/yr

Geography

Elevation49 ft (15 m)
Area7.3 sq mi (18.8 km²)
Population Density3,573/sq mi
Coordinates38.6957°N, 9.2914°W
TimezoneEurope/Lisbon

Precipitation & Snow

Annual Rainfall 28.4"
25% below US avg
Snowfall 0.0"
Wettest Month (Dec) 4.57"
Driest Month (Jul) 0.28"

Air Quality

Earthquake History

102 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 77 km
Feb 17, 2025 1 km NE of Charneca de Caparica, Portugal M4.8 12 km
Aug 19, 2016 84 km W of Peniche, Portugal M4.4 111 km
Aug 17, 2017 5 km N of Arruda dos Vinhos, Portugal M4.2 42 km
Mar 27, 2010 13 km SE of Vale da Amoreira, Portugal M4.1 149 km
Jan 15, 2018 25 km NNW of Évora, Portugal M4.1 116 km
Aug 4, 2007 92 km W of Colares, Portugal M4.0 108 km
Mar 7, 1997 66 km NW of Peniche, Portugal M3.9 134 km
Mar 9, 1990 116 km W of Ericeira, Portugal M3.8 133 km
Sep 20, 1999 0 km SW of Caxias, Portugal M3.8 1 km
Jul 31, 1998 23 km W of Estremoz, Portugal M3.8 126 km
Mar 28, 2002 43 km W of Sines, Portugal M3.7 79 km
Apr 10, 2001 6 km SSE of Louriçal, Portugal M3.7 149 km
Sep 4, 1997 24 km WNW of Sines, Portugal M3.7 72 km
Apr 30, 1999 7 km WNW of Marinha Grande, Portugal M3.6 122 km
Jan 6, 2007 36 km SSW of Cascais, Portugal M3.6 44 km
Feb 18, 1990 2 km ENE of Abrigada, Portugal M3.6 57 km
Jan 19, 1997 9 km WNW of Redondo, Portugal M3.6 143 km
Feb 1, 2017 4 km WSW of Porto de Mós, Portugal M3.6 106 km
Sep 4, 1996 4 km E of Santo Isidoro, Portugal M3.6 34 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

1 tsunami recorded within 500 km.

Year Location Cause Max Wave Deaths Distance
1531 TAGUS RIVER, LISBON Earthquake 30,000 17 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 52°F (11°C) 4.1 in Coldest
February 54°F (12°C) 3.4 in
March 57°F (14°C) 2.0 in
April 58°F (15°C) 2.4 in
May 62°F (17°C) 2.2 in
June 67°F (19°C) 0.8 in
July 71°F (22°C) 0.3 in Driest
August 72°F (22°C) 0.3 in Warmest
September 69°F (21°C) 1.1 in
October 64°F (18°C) 3.1 in
November 58°F (14°C) 4.1 in
December 54°F (12°C) 4.6 in Wettest

Paço de Arcos has a seasonal temperature swing of 20°F / from 52°F in January to 72°F in August. Total annual precipitation is 28.4 inches, with December being the wettest month (4.6") and July the driest (0.3").

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