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Weather & Climate in Islantilla, Spain
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Islantilla enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 52°F in January while summers reach 77°F in July. The area gets 301 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 19.5 inches (drier than the 38-inch national average). The city sits at an elevation of 52 feet.
Temperature
52°F Jan (11°C)
77°F Jul (25°C)
| Annual Average | 63.9°F |
| 18% above US avg | |
| January Average | 52°F (11°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 301 days/yr |
Geography
| Elevation | 52 ft (16 m) |
| Area | 113.9 sq mi (295.0 km²) |
| Population Density | 11/sq mi |
| Coordinates | 37.2057°N, 7.2374°W |
| Timezone | Europe/Madrid |
Precipitation & Snow
Air Quality
Earthquake History
385 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 | 65 km | 60 km |
| Jul 5, 2000 | 64 km S of Faro, Portugal | M4.5 | 105 km | 10 km |
| Jan 10, 2006 | 82 km SSE of Fuzeta, Portugal | M4.5 | 99 km | 3 km |
| Aug 25, 2010 | 13 km WSW of Chiclana de la Frontera, Spain | M4.5 | 126 km | 44 km |
| Mar 24, 2025 | 76 km S of Faro, Portugal | M4.4 | 114 km | 10 km |
| Jun 22, 1993 | 71 km SSW of Faro, Portugal | M4.4 | 120 km | 32 km |
| Apr 8, 2006 | 36 km S of Mazagón, Spain | M4.4 | 53 km | 42 km |
| Nov 9, 1993 | 44 km SSE of Olhão, Portugal | M4.3 | 74 km | 29 km |
| Sep 8, 2009 | 103 km S of Faro, Portugal | M4.3 | 139 km | 21 km |
| May 27, 2005 | 26 km SSW of Carvoeiro, Portugal | M4.3 | 124 km | 34 km |
| Jan 1, 2022 | 80 km SSE of Olhão, Portugal | M4.3 | 106 km | 7 km |
| Mar 2, 2016 | 93 km SSW of Faro, Portugal | M4.3 | 139 km | 10 km |
| Sep 24, 1994 | 41 km SSE of Faro, Portugal | M4.3 | 81 km | 34 km |
| Jul 4, 1994 | 13 km ENE of El Cerro de Andévalo, Spain | M4.3 | 76 km | 10 km |
| May 23, 2005 | Strait of Gibraltar | M4.3 | 89 km | 25 km |
| Feb 16, 1993 | 49 km SSE of Senhora da Luz, Portugal | M4.2 | 134 km | 34 km |
| Aug 18, 2009 | 113 km S of Faro, Portugal | M4.2 | 149 km | 10 km |
| Mar 14, 2004 | 84 km S of Carvoeiro, Portugal | M4.2 | 143 km | 11 km |
| Feb 23, 2005 | 91 km S of Olhão, Portugal | M4.1 | 119 km | 36 km |
| Sep 9, 1994 | Strait of Gibraltar | M4.1 | 75 km | 33 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 | — | 96 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 52°F (11°C) | 2.9 in | Coldest |
| February | 54°F (12°C) | 2.0 in | |
| March | 57°F (14°C) | 1.5 in | |
| April | 60°F (16°C) | 1.9 in | |
| May | 65°F (18°C) | 1.1 in | |
| June | 72°F (22°C) | 0.5 in | |
| July | 77°F (25°C) | 0.1 in | Warmest, Driest |
| August | 77°F (25°C) | 0.2 in | |
| September | 73°F (23°C) | 0.6 in | |
| October | 66°F (19°C) | 2.3 in | |
| November | 59°F (15°C) | 3.0 in | |
| December | 54°F (12°C) | 3.5 in | Wettest |
Islantilla has a seasonal temperature swing of 25°F / from 52°F in January to 77°F in July. Total annual precipitation is 19.5 inches, with December being the wettest month (3.5") and July the driest (0.1").