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Weather & Climate in Marans, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Marans enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 44°F in January while summers reach 68°F in July. The area gets 270 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 45.1 inches. The area receives 1.6 inches of snow annually. The city sits at an elevation of 43 feet.
Temperature
44°F Jan (7°C)
68°F Jul (20°C)
| Annual Average | 57.2°F |
| 6% above US avg | |
| January Average | 44°F (7°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 270 days/yr |
Geography
| Elevation | 43 ft (13 m) |
| Area | 42.2 sq mi (109.4 km²) |
| Population Density | 110/sq mi |
| Coordinates | 46.3088°N, 0.9923°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
324 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 | 49 km | 10 km |
| Jun 8, 2001 | France | M5.0 | 42 km | 12 km |
| Jun 16, 2023 | 5 km WNW of Mauzé-sur-le-Mignon, France | M4.8 | 23 km | 5 km |
| Mar 20, 2019 | 5 km NNE of Montendre, France | M4.5 | 118 km | 10 km |
| Jan 12, 1997 | 2 km E of Sainte-Hermine, France | M4.3 | 27 km | 10 km |
| Jun 22, 2005 | 2 km E of La Guérinière, France | M4.3 | 118 km | 10 km |
| Dec 6, 1991 | 2 km S of Bourgueil, France | M4.2 | 138 km | 10 km |
| Jun 25, 2001 | 10 km WSW of Saint-Pierre-d'Oléron, France | M4.2 | 56 km | 2 km |
| May 2, 2016 | 6 km SE of L'Île-Bouchard, France | M4.2 | 140 km | 2 km |
| Jun 30, 2010 | 1 km ENE of Fontenay-le-Comte, France | M4.2 | 24 km | 3 km |
| Apr 4, 2005 | 9 km WSW of Saint-Pierre-d'Oléron, France | M4.2 | 55 km | 10 km |
| Sep 28, 2010 | 9 km W of Saint-Pierre-d'Oléron, France | M4.2 | 52 km | 2 km |
| Feb 23, 2000 | 5 km SW of Mareuil, France | M4.1 | 148 km | 10 km |
| Mar 14, 2002 | 2 km WSW of Chantonnay, France | M4.1 | 41 km | 5 km |
| Feb 14, 2003 | 5 km NE of Vix, France | M4.1 | 17 km | 10 km |
| Feb 12, 2018 | 3 km SSE of La Meilleraie-Tillay, France | M4.1 | 46 km | 5 km |
| Jul 25, 2010 | 5 km ENE of Saint-Maurice-la-Clouère, France | M4.0 | 113 km | 2 km |
| Jun 21, 2019 | 2 km WSW of Vihiers, France | M4.0 | 98 km | 8 km |
| Jun 17, 2023 | 2 km WSW of Marans, France | M3.9 | 3 km | 5 km |
| Mar 6, 2013 | 0 km E of Ars-en-Ré, France | M3.9 | 42 km | 2 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (7°C) | 3.1 in | |
| February | 44°F (7°C) | 2.7 in | |
| March | 48°F (9°C) | 2.1 in | |
| April | 52°F (11°C) | 2.3 in | |
| May | 58°F (15°C) | 2.3 in | |
| June | 64°F (18°C) | 1.5 in | |
| July | 68°F (20°C) | 1.4 in | Driest |
| August | 68°F (20°C) | 1.7 in | Warmest |
| September | 63°F (17°C) | 2.6 in | |
| October | 57°F (14°C) | 3.3 in | |
| November | 48°F (9°C) | 3.6 in | Wettest |
| December | 44°F (7°C) | 3.2 in | Coldest |
Marans has a seasonal temperature swing of 25°F / from 44°F in December to 68°F in August. Total annual precipitation is 29.8 inches, with November being the wettest month (3.6") and July the driest (1.4").