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Weather & Climate in Alvaiázere, Portugal
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Alvaiázere enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 47°F in January while summers reach 72°F in July. The area gets 308 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 44.1 inches. The city sits at an elevation of 1,020 feet.
Temperature
47°F Jan (8°C)
72°F Jul (22°C)
| Annual Average | 60.4°F |
| 12% above US avg | |
| January Average | 47°F (8°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 308 days/yr |
Geography
| Elevation | 1,020 ft (311 m) |
| Area | 12.3 sq mi (32.0 km²) |
| Population Density | 0/sq mi |
| Coordinates | 39.8226°N, 8.3800°W |
| Timezone | Europe/Lisbon |
Precipitation & Snow
Air Quality
Earthquake History
75 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Feb 17, 2025 | 1 km NE of Charneca de Caparica, Portugal | M4.8 | 150 km | 10 km |
| Aug 17, 2017 | 5 km N of Arruda dos Vinhos, Portugal | M4.2 | 107 km | 10 km |
| Jan 15, 2018 | 25 km NNW of Évora, Portugal | M4.1 | 120 km | 11 km |
| Mar 27, 2010 | 13 km SE of Vale da Amoreira, Portugal | M4.1 | 116 km | 15 km |
| Mar 7, 1997 | 66 km NW of Peniche, Portugal | M3.9 | 130 km | 10 km |
| Apr 3, 1995 | 4 km E of Tocha, Portugal | M3.9 | 61 km | 5 km |
| Jul 31, 1998 | 23 km W of Estremoz, Portugal | M3.8 | 115 km | 5 km |
| Sep 20, 1999 | 0 km SW of Caxias, Portugal | M3.8 | 147 km | 10 km |
| Apr 10, 2001 | 6 km SSE of Louriçal, Portugal | M3.7 | 31 km | 10 km |
| Apr 30, 1999 | 7 km WNW of Marinha Grande, Portugal | M3.6 | 55 km | 10 km |
| Sep 4, 1996 | 4 km E of Santo Isidoro, Portugal | M3.6 | 124 km | 10 km |
| Feb 18, 1990 | 2 km ENE of Abrigada, Portugal | M3.6 | 91 km | 10 km |
| Feb 1, 2017 | 4 km WSW of Porto de Mós, Portugal | M3.6 | 49 km | 11 km |
| Jan 19, 1997 | 9 km WNW of Redondo, Portugal | M3.6 | 141 km | 10 km |
| Dec 31, 1996 | 4 km N of Luso, Portugal | M3.5 | 67 km | 10 km |
| Jan 11, 2005 | 12 km WSW of Montemor-o-Novo, Portugal | M3.5 | 137 km | 0 km |
| Jun 22, 1993 | 18 km W of Espinho, Portugal | M3.5 | 135 km | 10 km |
| May 10, 1990 | 69 km W of Gafanha da Encarnação, Portugal | M3.5 | 141 km | 10 km |
| Jun 20, 1991 | 3 km SE of Tavarede, Portugal | M3.5 | 52 km | 20 km |
| Apr 15, 2006 | 3 km N of Bombarral, Portugal | M3.4 | 89 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 | 139 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 47°F (8°C) | 5.2 in | Coldest, Wettest |
| February | 50°F (10°C) | 4.4 in | |
| March | 53°F (12°C) | 3.0 in | |
| April | 56°F (13°C) | 3.2 in | |
| May | 61°F (16°C) | 2.9 in | |
| June | 67°F (19°C) | 1.5 in | |
| July | 72°F (22°C) | 0.4 in | Warmest, Driest |
| August | 71°F (22°C) | 0.4 in | |
| September | 68°F (20°C) | 1.6 in | |
| October | 61°F (16°C) | 3.9 in | |
| November | 54°F (12°C) | 4.3 in | |
| December | 50°F (10°C) | 5.1 in |
Alvaiázere has a seasonal temperature swing of 25°F / from 47°F in January to 72°F in July. Total annual precipitation is 35.9 inches, with January being the wettest month (5.2") and July the driest (0.4").