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Weather & Climate in Cercal, Portugal
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Cercal enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 52°F in January while summers reach 69°F in July / relatively mild seasonal variation. The area gets 295 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 22.7 inches (drier than the 38-inch national average). The city sits at an elevation of 518 feet.
Temperature
52°F Jan (11°C)
69°F Jul (21°C)
| Annual Average | 60.7°F |
| 12% above US avg | |
| January Average | 52°F (11°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 295 days/yr |
Geography
| Elevation | 518 ft (158 m) |
| Area | 31.5 sq mi (81.5 km²) |
| Population Density | 120/sq mi |
| Coordinates | 37.8013°N, 8.6740°W |
| Timezone | Europe/Lisbon |
Precipitation & Snow
Air Quality
Earthquake History
207 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.0.
| Aug 26, 2024 | 56 km W of Sines, Portugal | M5.0 | 77 km | 7 km |
| Feb 17, 2025 | 1 km NE of Charneca de Caparica, Portugal | M4.8 | 102 km | 10 km |
| Sep 24, 1994 | 41 km SSE of Faro, Portugal | M4.3 | 149 km | 34 km |
| May 27, 2005 | 26 km SSW of Carvoeiro, Portugal | M4.3 | 103 km | 34 km |
| Feb 16, 1993 | 49 km SSE of Senhora da Luz, Portugal | M4.2 | 127 km | 34 km |
| Aug 17, 2017 | 5 km N of Arruda dos Vinhos, Portugal | M4.2 | 142 km | 10 km |
| Jan 15, 2018 | 25 km NNW of Évora, Portugal | M4.1 | 127 km | 11 km |
| Sep 9, 1994 | Strait of Gibraltar | M4.1 | 142 km | 33 km |
| Jan 9, 2007 | 22 km SSW of Faro, Portugal | M4.0 | 119 km | 56 km |
| Mar 6, 2005 | 61 km WSW of Sagres, Portugal | M4.0 | 133 km | 0 km |
| Jul 31, 1998 | 23 km W of Estremoz, Portugal | M3.8 | 138 km | 5 km |
| Sep 20, 1999 | 0 km SW of Caxias, Portugal | M3.8 | 113 km | 10 km |
| Sep 19, 2004 | 27 km WSW of Sagres, Portugal | M3.8 | 112 km | 0 km |
| Apr 14, 2008 | 45 km WNW of Vila do Bispo, Portugal | M3.8 | 93 km | 27 km |
| Mar 26, 2011 | 6 km NNW of São Marcos da Serra, Portugal | M3.8 | 49 km | 8 km |
| Dec 30, 1994 | 56 km WNW of Sagres, Portugal | M3.8 | 105 km | 10 km |
| Jan 20, 2006 | 74 km W of Sagres, Portugal | M3.8 | 139 km | 0 km |
| Mar 26, 1998 | 63 km WNW of Vila do Bispo, Portugal | M3.7 | 96 km | 10 km |
| Sep 4, 1997 | 24 km WNW of Sines, Portugal | M3.7 | 48 km | 10 km |
| May 9, 1994 | 18 km WSW of Sagres, Portugal | M3.7 | 103 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
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 | 147 km |
| 1531 | TAGUS RIVER, LISBON | Earthquake | - | 30,000 | 107 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 52°F (11°C) | 3.3 in | Coldest |
| February | 53°F (12°C) | 2.8 in | |
| March | 56°F (13°C) | 1.9 in | |
| April | 58°F (14°C) | 2.0 in | |
| May | 62°F (17°C) | 1.4 in | |
| June | 67°F (19°C) | 0.6 in | |
| July | 69°F (21°C) | 0.1 in | Driest |
| August | 70°F (21°C) | 0.2 in | Warmest |
| September | 68°F (20°C) | 0.8 in | |
| October | 64°F (18°C) | 2.4 in | |
| November | 58°F (14°C) | 3.4 in | |
| December | 53°F (12°C) | 3.9 in | Wettest |
Cercal has a seasonal temperature swing of 18°F / from 52°F in January to 70°F in August. Total annual precipitation is 22.7 inches, with December being the wettest month (3.9") and July the driest (0.1").