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Weather & Climate in Castelldefels, Spain
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Castelldefels enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 44°F in January while summers reach 77°F in July. The area gets 339 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 area receives 1.7 inches of snow annually. The city sits at an elevation of 46 feet.
Temperature
44°F Jan (6°C)
77°F Jul (25°C)
| Annual Average | 61.0°F |
| 13% above US avg | |
| January Average | 44°F (6°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 339 days/yr |
Geography
| Elevation | 46 ft (14 m) |
| Area | 5.0 sq mi (13.1 km²) |
| Population Density | 13,170/sq mi |
| Coordinates | 41.2779°N, 1.9703°W |
| Timezone | Europe/Madrid |
Precipitation & Snow
Air Quality
Earthquake History
340 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| May 15, 1995 | 30 km SSE of Torredembarra, Spain | M4.6 | 55 km | 10 km |
| Sep 21, 2004 | 7 km E of Camprodon, Spain | M4.5 | 121 km | 2 km |
| Mar 19, 1992 | 3 km SW of Campdevànol, Spain | M4.5 | 104 km | 10 km |
| Feb 26, 2003 | 4 km E of Ribes de Freser, Spain | M4.4 | 116 km | 8 km |
| May 23, 1995 | 35 km SSE of Torredembarra, Spain | M4.4 | 56 km | 10 km |
| Dec 15, 1991 | 34 km SSE of Castelldefels, Spain | M4.4 | 34 km | 10 km |
| Jul 22, 2008 | 3 km NW of les Planes d'Hostoles, Spain | M4.3 | 100 km | 5 km |
| Oct 2, 2013 | 30 km ESE of Vinaròs, Spain | M4.3 | 144 km | 0 km |
| May 15, 1995 | 37 km SSE of Coma-ruga, Spain | M4.3 | 56 km | 10 km |
| Sep 26, 1994 | 26 km SSE of Canet de Mar, Spain | M4.2 | 61 km | 33 km |
| Jun 1, 2004 | 5 km NW of Sant Joan de les Abadesses, Spain | M4.2 | 112 km | 5 km |
| Aug 8, 2007 | 3 km NE of Piera, Spain | M4.1 | 34 km | 1 km |
| Oct 1, 2013 | 30 km ESE of Vinaròs, Spain | M4.1 | 145 km | 0 km |
| Sep 17, 1994 | 22 km SSE of Arenys de Mar, Spain | M4.0 | 58 km | 10 km |
| Oct 2, 2013 | 29 km ESE of Vinaròs, Spain | M4.0 | 145 km | 0 km |
| Sep 23, 2004 | 4 km NNW of Ribes de Freser, Spain | M4.0 | 119 km | 4 km |
| Feb 1, 2022 | 7 km ESE of Farrera, Spain | M4.0 | 142 km | 6 km |
| Jun 2, 2001 | 5 km ENE of Bagà, Spain | M3.9 | 112 km | 5 km |
| Oct 4, 2013 | 28 km ESE of Vinaròs, Spain | M3.7 | 146 km | 6 km |
| Oct 8, 1993 | 12 km ESE of Font-Romeu-Odeillo-Via, France | M3.7 | 132 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
1 volcano within 200 km. Closest: Olot Volcanic Field (110 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Olot Volcanic Field | Pyroclastic cone(s) | 893 m (2,930 ft) | Unknown | 110 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (6°C) | 1.9 in | Coldest |
| February | 48°F (9°C) | 1.5 in | |
| March | 51°F (10°C) | 2.0 in | |
| April | 54°F (12°C) | 2.0 in | |
| May | 60°F (16°C) | 2.4 in | |
| June | 67°F (19°C) | 1.8 in | |
| July | 77°F (25°C) | 1.0 in | Warmest, Driest |
| August | 73°F (23°C) | 2.2 in | |
| September | 68°F (20°C) | 3.1 in | |
| October | 61°F (16°C) | 3.4 in | Wettest |
| November | 53°F (12°C) | 2.5 in | |
| December | 48°F (9°C) | 2.1 in |
Castelldefels has a seasonal temperature swing of 34°F / from 44°F in January to 77°F in July. Total annual precipitation is 25.9 inches, with October being the wettest month (3.4") and July the driest (1.0").