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Alfornelos, Portugal

Full City Profile

27,093 Population 14,111/sq mi density
282 ft Elevation 86 meters
63°F Avg Temperature 17°C
Alfornelos enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 51°F in January while summers reach 72°F in July. The area gets 323 sunny days per year. Annual precipitation totals 17.5 inches. The area receives 0.0 inches of snow annually.

Temperature

51°F Jan (11°C) 72°F Jul (22°C)
Annual Average63.0°F
17% above US avg
January Average51°F (11°C)
July Average72°F (22°C)
Sunny Days323 days/yr

Geography

Elevation282 ft (86 m)
Area1.9 sq mi (5.0 km²)
Population Density14,111/sq mi
Coordinates38.7610°N, 9.2051°W
TimezoneEurope/Lisbon

Precipitation & Snow

Annual Rainfall 17.5"
54% below US avg
Snowfall 0.0"
Wettest Month (Dec) 4.57"
Driest Month (Jul) 0.28"

Air Quality

Earthquake History

106 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 86 km
Feb 17, 2025 1 km NE of Charneca de Caparica, Portugal M4.8 15 km
Aug 19, 2016 84 km W of Peniche, Portugal M4.4 113 km
Aug 17, 2017 5 km N of Arruda dos Vinhos, Portugal M4.2 32 km
Mar 27, 2010 13 km SE of Vale da Amoreira, Portugal M4.1 140 km
Jan 15, 2018 25 km NNW of Évora, Portugal M4.1 108 km
Aug 4, 2007 92 km W of Colares, Portugal M4.0 114 km
Mar 7, 1997 66 km NW of Peniche, Portugal M3.9 131 km
Jul 31, 1998 23 km W of Estremoz, Portugal M3.8 117 km
Mar 9, 1990 116 km W of Ericeira, Portugal M3.8 138 km
Sep 20, 1999 0 km SW of Caxias, Portugal M3.8 10 km
Sep 4, 1997 24 km WNW of Sines, Portugal M3.7 78 km
Apr 10, 2001 6 km SSE of Louriçal, Portugal M3.7 139 km
Mar 28, 2002 43 km W of Sines, Portugal M3.7 87 km
Feb 1, 2017 4 km WSW of Porto de Mós, Portugal M3.6 97 km
Jan 6, 2007 36 km SSW of Cascais, Portugal M3.6 54 km
Apr 30, 1999 7 km WNW of Marinha Grande, Portugal M3.6 113 km
Jan 19, 1997 9 km WNW of Redondo, Portugal M3.6 136 km
Feb 18, 1990 2 km ENE of Abrigada, Portugal M3.6 48 km
Sep 4, 1996 4 km E of Santo Isidoro, Portugal M3.6 29 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 11 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 51°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 72°F (22°C) 0.3 in Warmest, Driest
August 72°F (22°C) 0.3 in
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

Alfornelos has a seasonal temperature swing of 21°F / from 51°F in January to 72°F in July. 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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