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Sismaria, Portugal

Full City Profile

584 Population 124/sq mi density
46 ft Elevation 14 meters
60°F Avg Temperature 15°C
Sismaria enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 51°F in January while summers reach 68°F in July. The area gets 282 sunny days per year. Annual precipitation totals 29.7 inches. The area receives 0.0 inches of snow annually.

Temperature

51°F Jan (10°C) 68°F Jul (20°C)
Annual Average59.8°F
11% above US avg
January Average51°F (10°C)
July Average68°F (20°C)
Sunny Days282 days/yr

Geography

Elevation46 ft (14 m)
Area4.7 sq mi (12.2 km²)
Population Density124/sq mi
Coordinates39.8806°N, 8.8654°W
TimezoneEurope/Lisbon

Precipitation & Snow

Annual Rainfall 29.7"
22% below US avg
Snowfall 0.0"
Wettest Month (Jan) 4.29"
Driest Month (Jul) 0.35"

Air Quality

Earthquake History

62 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.8. Most recent: M4.8 on Feb 17, 2025.

Feb 17, 2025 1 km NE of Charneca de Caparica, Portugal M4.8 142 km
Aug 19, 2016 84 km W of Peniche, Portugal M4.4 145 km
Aug 17, 2017 5 km N of Arruda dos Vinhos, Portugal M4.2 96 km
Mar 27, 2010 13 km SE of Vale da Amoreira, Portugal M4.1 148 km
Jan 15, 2018 25 km NNW of Évora, Portugal M4.1 144 km
Mar 7, 1997 66 km NW of Peniche, Portugal M3.9 88 km
Apr 3, 1995 4 km E of Tocha, Portugal M3.9 51 km
Jul 31, 1998 23 km W of Estremoz, Portugal M3.8 142 km
Sep 20, 1999 0 km SW of Caxias, Portugal M3.8 136 km
Apr 10, 2001 6 km SSE of Louriçal, Portugal M3.7 16 km
Feb 18, 1990 2 km ENE of Abrigada, Portugal M3.6 81 km
Sep 4, 1996 4 km E of Santo Isidoro, Portugal M3.6 107 km
Apr 30, 1999 7 km WNW of Marinha Grande, Portugal M3.6 18 km
Feb 1, 2017 4 km WSW of Porto de Mós, Portugal M3.6 32 km
Jun 22, 1993 18 km W of Espinho, Portugal M3.5 123 km
Dec 31, 1996 4 km N of Luso, Portugal M3.5 73 km
May 10, 1990 69 km W of Gafanha da Encarnação, Portugal M3.5 110 km
Jun 20, 1991 3 km SE of Tavarede, Portugal M3.5 30 km
Oct 7, 1993 8 km NNW of Campo de Besteiros, Portugal M3.4 102 km
Apr 15, 2006 3 km N of Bombarral, Portugal M3.4 70 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 30,000 133 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 51°F (10°C) 4.3 in Coldest, Wettest
February 52°F (11°C) 3.4 in
March 55°F (13°C) 2.5 in
April 58°F (14°C) 2.5 in
May 61°F (16°C) 2.4 in
June 66°F (19°C) 1.1 in
July 68°F (20°C) 0.4 in Driest
August 69°F (20°C) 0.4 in Warmest
September 67°F (20°C) 1.3 in
October 62°F (17°C) 3.3 in
November 57°F (14°C) 3.8 in
December 52°F (11°C) 4.2 in

Sismaria has a seasonal temperature swing of 18°F / from 51°F in January to 69°F in August. Total annual precipitation is 29.6 inches, with January being the wettest month (4.3") and July the driest (0.4").

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