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Weather & Climate in Gaillan-en-Médoc, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Gaillan-en-Médoc experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 43°F in January while summers reach 68°F in July. The area gets 272 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 35.6 inches. The city sits at an elevation of 36 feet.
Temperature
43°F Jan (6°C)
68°F Jul (20°C)
| Annual Average | 55.0°F |
| 2% above US avg | |
| January Average | 43°F (6°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 272 days/yr |
Geography
| Elevation | 36 ft (11 m) |
| Area | 14.3 sq mi (37.0 km²) |
| Population Density | 147/sq mi |
| Coordinates | 45.3251°N, 0.9551°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
137 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.2.
| Apr 18, 2005 | 1 km SSW of Saint-Pierre-d'Oléron, France | M5.2 | 73 km | 10 km |
| Jun 16, 2023 | 5 km WNW of Mauzé-sur-le-Mignon, France | M4.8 | 100 km | 5 km |
| Mar 20, 2019 | 5 km NNE of Montendre, France | M4.5 | 45 km | 10 km |
| Jan 12, 1997 | 2 km E of Sainte-Hermine, France | M4.3 | 137 km | 10 km |
| Apr 4, 2005 | 9 km WSW of Saint-Pierre-d'Oléron, France | M4.2 | 76 km | 10 km |
| Sep 28, 2010 | 9 km W of Saint-Pierre-d'Oléron, France | M4.2 | 79 km | 2 km |
| Jun 25, 2001 | 10 km WSW of Saint-Pierre-d'Oléron, France | M4.2 | 73 km | 2 km |
| Jun 30, 2010 | 1 km ENE of Fontenay-le-Comte, France | M4.2 | 128 km | 3 km |
| Feb 14, 2003 | 5 km NE of Vix, France | M4.1 | 120 km | 10 km |
| Feb 23, 2000 | 5 km SW of Mareuil, France | M4.1 | 107 km | 10 km |
| Apr 28, 2016 | 6 km WSW of Châtelaillon-Plage, France | M3.9 | 81 km | 10 km |
| Jun 17, 2023 | 2 km WSW of Marans, France | M3.9 | 109 km | 5 km |
| Mar 6, 2013 | 0 km E of Ars-en-Ré, France | M3.9 | 107 km | 2 km |
| Apr 5, 2001 | 2 km ENE of Melle, France | M3.9 | 120 km | 1 km |
| Dec 1, 1996 | 5 km SSW of Aigre, France | M3.9 | 93 km | 5 km |
| Apr 4, 2005 | 7 km W of Saint-Pierre-d'Oléron, France | M3.7 | 77 km | 10 km |
| Jan 25, 1992 | 10 km SW of Triaize, France | M3.7 | 113 km | 10 km |
| Feb 5, 1991 | 36 km W of Ars-en-Ré, France | M3.7 | 125 km | 10 km |
| Jul 11, 1998 | 3 km NE of Château-Guibert, France | M3.6 | 143 km | 2 km |
| Nov 16, 1991 | 2 km NNW of Chasseneuil-sur-Bonnieure, France | M3.5 | 122 km | 11 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 3.5 in | Coldest |
| February | 45°F (7°C) | 3.1 in | |
| March | 49°F (9°C) | 2.6 in | |
| April | 52°F (11°C) | 2.9 in | |
| May | 59°F (15°C) | 2.8 in | |
| June | 64°F (18°C) | 2.1 in | |
| July | 68°F (20°C) | 1.7 in | Driest |
| August | 68°F (20°C) | 2.1 in | Warmest |
| September | 63°F (17°C) | 3.1 in | |
| October | 57°F (14°C) | 3.6 in | |
| November | 49°F (9°C) | 4.2 in | Wettest |
| December | 45°F (7°C) | 3.9 in |
Gaillan-en-Médoc has a seasonal temperature swing of 25°F / from 43°F in January to 68°F in August. Total annual precipitation is 35.6 inches, with November being the wettest month (4.2") and July the driest (1.7").