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Fronteira, Portugal

Full City Profile

3,410 Population 49/sq mi density
843 ft Elevation 257 meters
61°F Avg Temperature 16°C
Fronteira enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 49°F in January while summers reach 75°F in July. The area gets 290 sunny days per year. Annual precipitation totals 25.1 inches. The area receives 0.0 inches of snow annually.

Temperature

49°F Jan (9°C) 75°F Jul (24°C)
Annual Average60.7°F
12% above US avg
January Average49°F (9°C)
July Average75°F (24°C)
Sunny Days290 days/yr

Geography

Elevation843 ft (257 m)
Area69.1 sq mi (178.9 km²)
Population Density49/sq mi
Coordinates39.0563°N, 7.6487°W
TimezoneEurope/Lisbon

Precipitation & Snow

Annual Rainfall 25.1"
34% below US avg
Snowfall 0.0"
Wettest Month (Dec) 3.66"
Driest Month (Jul) 0.20"

Air Quality

Earthquake History

93 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.8. Most recent: M2.9 on Apr 16, 2025.

Feb 17, 2025 1 km NE of Charneca de Caparica, Portugal M4.8 141 km
Aug 17, 2017 5 km N of Arruda dos Vinhos, Portugal M4.2 124 km
Jan 22, 2006 0 km SE of Feria, Spain M4.1 113 km
Jan 15, 2018 25 km NNW of Évora, Portugal M4.1 40 km
Mar 27, 2010 13 km SE of Vale da Amoreira, Portugal M4.1 10 km
Sep 20, 1999 0 km SW of Caxias, Portugal M3.8 147 km
Jul 31, 1998 23 km W of Estremoz, Portugal M3.8 28 km
Mar 30, 1995 5 km N of Cabeza la Vaca, Spain M3.7 148 km
Apr 10, 2001 6 km SSE of Louriçal, Portugal M3.7 134 km
Apr 30, 1999 7 km WNW of Marinha Grande, Portugal M3.6 142 km
Feb 18, 1990 2 km ENE of Abrigada, Portugal M3.6 116 km
Sep 4, 1996 4 km E of Santo Isidoro, Portugal M3.6 147 km
Feb 1, 2017 4 km WSW of Porto de Mós, Portugal M3.6 120 km
Jan 19, 1997 9 km WNW of Redondo, Portugal M3.6 41 km
Sep 21, 1992 1 km N of Salvaleón, Spain M3.5 96 km
Feb 14, 1996 15 km SSW of Évora, Portugal M3.5 74 km
Jan 11, 2005 12 km WSW of Montemor-o-Novo, Portugal M3.5 79 km
Apr 15, 2006 3 km N of Bombarral, Portugal M3.4 133 km
Jan 24, 1997 6 km SSE of Valencia del Ventoso, Spain M3.4 141 km
Mar 18, 2021 0 km SSW of Santa Iria da Azóia, Portugal M3.3 128 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 30,000 132 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 49°F (9°C) 3.4 in Coldest
February 51°F (10°C) 2.8 in
March 54°F (12°C) 2.3 in
April 57°F (14°C) 2.3 in
May 62°F (17°C) 2.0 in
June 69°F (21°C) 0.9 in
July 75°F (24°C) 0.2 in Driest
August 75°F (24°C) 0.2 in Warmest
September 71°F (22°C) 1.2 in
October 63°F (17°C) 2.8 in
November 55°F (13°C) 3.4 in
December 50°F (10°C) 3.7 in Wettest

Fronteira has a seasonal temperature swing of 26°F / from 49°F in January to 75°F in August. Total annual precipitation is 25.1 inches, with December being the wettest month (3.7") and July the driest (0.2").

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