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Weather & Climate in São Teotónio, Portugal
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
São Teotónio 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 297 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 21.7 inches (drier than the 38-inch national average). The city sits at an elevation of 502 feet.
Temperature
52°F Jan (11°C)
69°F Jul (21°C)
| Annual Average | 61.0°F |
| 13% above US avg | |
| January Average | 52°F (11°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 297 days/yr |
Geography
| Elevation | 502 ft (153 m) |
| Area | 154.9 sq mi (401.2 km²) |
| Population Density | 32/sq mi |
| Coordinates | 37.5128°N, 8.7071°W |
| Timezone | Europe/Lisbon |
Precipitation & Snow
Air Quality
Earthquake History
329 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 | 90 km | 7 km |
| Feb 17, 2025 | 1 km NE of Charneca de Caparica, Portugal | M4.8 | 131 km | 10 km |
| Jan 3, 2005 | 45 km SSE of Fuzeta, Portugal | M4.7 | 138 km | 60 km |
| Jul 5, 2000 | 64 km S of Faro, Portugal | M4.5 | 139 km | 10 km |
| Jan 11, 2008 | 87 km WSW of Sagres, Portugal | M4.4 | 139 km | 16 km |
| Jun 22, 1993 | 71 km SSW of Faro, Portugal | M4.4 | 134 km | 32 km |
| Sep 24, 1994 | 41 km SSE of Faro, Portugal | M4.3 | 124 km | 34 km |
| Nov 9, 1993 | 44 km SSE of Olhão, Portugal | M4.3 | 132 km | 29 km |
| May 23, 2005 | Strait of Gibraltar | M4.3 | 146 km | 25 km |
| May 27, 2005 | 26 km SSW of Carvoeiro, Portugal | M4.3 | 72 km | 34 km |
| Mar 14, 2004 | 84 km S of Carvoeiro, Portugal | M4.2 | 133 km | 11 km |
| Nov 17, 1995 | 66 km SSW of Sagres, Portugal | M4.2 | 126 km | 20 km |
| Mar 31, 2010 | 95 km WSW of Sagres, Portugal | M4.2 | 144 km | 10 km |
| Feb 16, 1993 | 49 km SSE of Senhora da Luz, Portugal | M4.2 | 96 km | 34 km |
| Jan 1, 2008 | 97 km SSE of Sagres, Portugal | M4.2 | 146 km | 45 km |
| Sep 9, 1994 | Strait of Gibraltar | M4.1 | 118 km | 33 km |
| Feb 11, 2022 | 71 km S of Sagres, Portugal | M4.1 | 128 km | 10 km |
| Jan 9, 2007 | 22 km SSW of Faro, Portugal | M4.0 | 94 km | 56 km |
| Jan 4, 2005 | 80 km WSW of Sagres, Portugal | M4.0 | 131 km | 15 km |
| Mar 26, 2000 | 69 km SW of Sagres, Portugal | M4.0 | 125 km | 16 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 | 128 km |
| 1531 | TAGUS RIVER, LISBON | Earthquake | — | 30,000 | 136 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 52°F (11°C) | 3.2 in | Coldest |
| February | 53°F (12°C) | 2.6 in | |
| March | 56°F (14°C) | 1.8 in | |
| April | 58°F (15°C) | 1.9 in | |
| May | 62°F (17°C) | 1.2 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) | 2.2 in | |
| November | 58°F (14°C) | 3.4 in | |
| December | 54°F (12°C) | 3.8 in | Wettest |
São Teotónio has a seasonal temperature swing of 18°F / from 52°F in January to 70°F in August. Total annual precipitation is 21.7 inches, with December being the wettest month (3.8") and July the driest (0.1").