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Weather & Climate in San Silvestre de Guzmán, Spain
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Silvestre de Guzmán enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 51°F in January while summers reach 77°F in July. The area gets 299 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 20.4 inches (drier than the 38-inch national average). The city sits at an elevation of 499 feet.
Temperature
51°F Jan (11°C)
77°F Jul (25°C)
| Annual Average | 63.3°F |
| 17% above US avg | |
| January Average | 51°F (11°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 299 days/yr |
Geography
| Elevation | 499 ft (152 m) |
| Area | 78.3 sq mi (202.7 km²) |
| Population Density | 8/sq mi |
| Coordinates | 37.3877°N, 7.3491°W |
| Timezone | Europe/Madrid |
Precipitation & Snow
Air Quality
Earthquake History
364 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.7.
| Jan 3, 2005 | 45 km SSE of Fuzeta, Portugal | M4.7 | 81 km | 60 km |
| Jul 5, 2000 | 64 km S of Faro, Portugal | M4.5 | 117 km | 10 km |
| Aug 25, 2010 | 13 km WSW of Chiclana de la Frontera, Spain | M4.5 | 147 km | 44 km |
| Jan 10, 2006 | 82 km SSE of Fuzeta, Portugal | M4.5 | 117 km | 3 km |
| Apr 8, 2006 | 36 km S of Mazagón, Spain | M4.4 | 76 km | 42 km |
| Jun 22, 1993 | 71 km SSW of Faro, Portugal | M4.4 | 130 km | 32 km |
| Mar 24, 2025 | 76 km S of Faro, Portugal | M4.4 | 127 km | 10 km |
| May 23, 2005 | Strait of Gibraltar | M4.3 | 104 km | 25 km |
| Jan 1, 2022 | 80 km SSE of Olhão, Portugal | M4.3 | 122 km | 7 km |
| Nov 9, 1993 | 44 km SSE of Olhão, Portugal | M4.3 | 88 km | 29 km |
| Sep 24, 1994 | 41 km SSE of Faro, Portugal | M4.3 | 92 km | 34 km |
| May 27, 2005 | 26 km SSW of Carvoeiro, Portugal | M4.3 | 122 km | 34 km |
| Jul 4, 1994 | 13 km ENE of El Cerro de Andévalo, Spain | M4.3 | 66 km | 10 km |
| Feb 16, 1993 | 49 km SSE of Senhora da Luz, Portugal | M4.2 | 136 km | 34 km |
| Feb 23, 2005 | 91 km S of Olhão, Portugal | M4.1 | 135 km | 36 km |
| Jul 25, 2010 | 92 km S of Olhão, Portugal | M4.1 | 136 km | 10 km |
| Jan 22, 2006 | 0 km SE of Feria, Spain | M4.1 | 143 km | 11 km |
| Sep 9, 1994 | Strait of Gibraltar | M4.1 | 85 km | 33 km |
| Jan 9, 2007 | 22 km SSW of Faro, Portugal | M4.0 | 88 km | 56 km |
| Aug 5, 2006 | 56 km SSE of Olhão, Portugal | M4.0 | 96 km | 20 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 0.1 m (0 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1978 | CADIZ | Earthquake | 0.1 m | — | 118 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 51°F (11°C) | 3.0 in | Coldest |
| February | 53°F (12°C) | 2.1 in | |
| March | 56°F (14°C) | 1.6 in | |
| April | 59°F (15°C) | 2.0 in | |
| May | 64°F (18°C) | 1.3 in | |
| June | 72°F (22°C) | 0.6 in | |
| July | 77°F (25°C) | 0.1 in | Warmest, Driest |
| August | 77°F (25°C) | 0.2 in | |
| September | 73°F (23°C) | 0.7 in | |
| October | 65°F (19°C) | 2.4 in | |
| November | 58°F (14°C) | 3.0 in | |
| December | 53°F (12°C) | 3.7 in | Wettest |
San Silvestre de Guzmán has a seasonal temperature swing of 26°F / from 51°F in January to 77°F in July. Total annual precipitation is 20.4 inches, with December being the wettest month (3.7") and July the driest (0.1").