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Weather & Climate in Alguber, Portugal
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Alguber enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 51°F in January while summers reach 68°F in July / relatively mild seasonal variation. The area gets 319 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 36.0 inches. The city sits at an elevation of 344 feet.
Temperature
51°F Jan (11°C)
68°F Jul (20°C)
| Annual Average | 61.7°F |
| 14% above US avg | |
| January Average | 51°F (11°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 319 days/yr |
Geography
| Elevation | 344 ft (105 m) |
| Area | 7.4 sq mi (19.3 km²) |
| Population Density | 112/sq mi |
| Coordinates | 39.2773°N, 9.0219°W |
| Timezone | Europe/Lisbon |
Precipitation & Snow
Air Quality
Earthquake History
99 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 | 146 km | 7 km |
| Feb 17, 2025 | 1 km NE of Charneca de Caparica, Portugal | M4.8 | 73 km | 10 km |
| Aug 19, 2016 | 84 km W of Peniche, Portugal | M4.4 | 114 km | 10 km |
| Aug 17, 2017 | 5 km N of Arruda dos Vinhos, Portugal | M4.2 | 28 km | 10 km |
| Jan 15, 2018 | 25 km NNW of Évora, Portugal | M4.1 | 107 km | 11 km |
| Mar 27, 2010 | 13 km SE of Vale da Amoreira, Portugal | M4.1 | 127 km | 15 km |
| Aug 4, 2007 | 92 km W of Colares, Portugal | M4.0 | 134 km | 0 km |
| Apr 3, 1995 | 4 km E of Tocha, Portugal | M3.9 | 119 km | 5 km |
| Mar 7, 1997 | 66 km NW of Peniche, Portugal | M3.9 | 95 km | 10 km |
| Jul 31, 1998 | 23 km W of Estremoz, Portugal | M3.8 | 110 km | 5 km |
| Sep 20, 1999 | 0 km SW of Caxias, Portugal | M3.8 | 68 km | 10 km |
| Apr 10, 2001 | 6 km SSE of Louriçal, Portugal | M3.7 | 80 km | 10 km |
| Sep 4, 1997 | 24 km WNW of Sines, Portugal | M3.7 | 135 km | 10 km |
| Mar 28, 2002 | 43 km W of Sines, Portugal | M3.7 | 147 km | 10 km |
| Feb 1, 2017 | 4 km WSW of Porto de Mós, Portugal | M3.6 | 38 km | 11 km |
| Jan 6, 2007 | 36 km SSW of Cascais, Portugal | M3.6 | 110 km | 16 km |
| Apr 30, 1999 | 7 km WNW of Marinha Grande, Portugal | M3.6 | 55 km | 10 km |
| Jan 19, 1997 | 9 km WNW of Redondo, Portugal | M3.6 | 136 km | 10 km |
| Feb 18, 1990 | 2 km ENE of Abrigada, Portugal | M3.6 | 14 km | 10 km |
| Sep 4, 1996 | 4 km E of Santo Isidoro, Portugal | M3.6 | 42 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1531 | TAGUS RIVER, LISBON | Earthquake | — | 30,000 | 65 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 51°F (11°C) | 4.0 in | Coldest |
| February | 53°F (12°C) | 3.2 in | |
| March | 55°F (13°C) | 2.1 in | |
| April | 57°F (14°C) | 2.5 in | |
| May | 61°F (16°C) | 2.3 in | |
| June | 66°F (19°C) | 0.8 in | |
| July | 68°F (20°C) | 0.2 in | Driest |
| August | 69°F (21°C) | 0.3 in | Warmest |
| September | 68°F (20°C) | 1.1 in | |
| October | 63°F (17°C) | 3.2 in | |
| November | 57°F (14°C) | 3.9 in | |
| December | 53°F (11°C) | 4.2 in | Wettest |
Alguber has a seasonal temperature swing of 19°F / from 51°F in January to 69°F in August. Total annual precipitation is 27.8 inches, with December being the wettest month (4.2") and July the driest (0.2").