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Weather & Climate in Saint-Mariens, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Saint-Mariens enjoys a temperate climate with an average annual temperature of 58°F (15°C). Winters average 44°F in January while summers reach 70°F in July. The area gets 263 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 48.6 inches (wetter than the 38-inch national average). The area receives 1.0 inches of snow annually. The city sits at an elevation of 223 feet.
Temperature
44°F Jan (7°C)
70°F Jul (21°C)
| Annual Average | 58.4°F |
| 8% above US avg | |
| January Average | 44°F (7°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 263 days/yr |
Geography
| Elevation | 223 ft (68 m) |
| Area | 1.4 sq mi (3.6 km²) |
| Population Density | 924/sq mi |
| Coordinates | 45.1170°N, 0.4030°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
117 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 | 115 km | 10 km |
| Jun 16, 2023 | 5 km WNW of Mauzé-sur-le-Mignon, France | M4.8 | 125 km | 5 km |
| Mar 20, 2019 | 5 km NNE of Montendre, France | M4.5 | 24 km | 10 km |
| Jun 25, 2001 | 10 km WSW of Saint-Pierre-d'Oléron, France | M4.2 | 117 km | 2 km |
| Sep 28, 2010 | 9 km W of Saint-Pierre-d'Oléron, France | M4.2 | 122 km | 2 km |
| Apr 4, 2005 | 9 km WSW of Saint-Pierre-d'Oléron, France | M4.2 | 120 km | 10 km |
| Feb 14, 2003 | 5 km NE of Vix, France | M4.1 | 146 km | 10 km |
| Feb 23, 2000 | 5 km SW of Mareuil, France | M4.1 | 72 km | 10 km |
| Apr 28, 2016 | 6 km WSW of Châtelaillon-Plage, France | M3.9 | 119 km | 10 km |
| Mar 6, 2013 | 0 km E of Ars-en-Ré, France | M3.9 | 149 km | 2 km |
| Dec 1, 1996 | 5 km SSW of Aigre, France | M3.9 | 87 km | 5 km |
| Jun 17, 2023 | 2 km WSW of Marans, France | M3.9 | 140 km | 5 km |
| Apr 5, 2001 | 2 km ENE of Melle, France | M3.9 | 126 km | 1 km |
| Jan 25, 1992 | 10 km SW of Triaize, France | M3.7 | 149 km | 10 km |
| Apr 4, 2005 | 7 km W of Saint-Pierre-d'Oléron, France | M3.7 | 120 km | 10 km |
| Nov 16, 1991 | 2 km NNW of Chasseneuil-sur-Bonnieure, France | M3.5 | 103 km | 11 km |
| Jan 31, 2005 | 4 km SE of Mareuil, France | M3.4 | 79 km | 2 km |
| Sep 30, 1997 | 1 km SSW of Saint-Sauvant, France | M3.4 | 141 km | 20 km |
| Jan 22, 2006 | 46 km WSW of Saint-Pierre-d'Oléron, France | M3.4 | 132 km | 10 km |
| Apr 18, 2005 | 5 km WNW of Saint-Pierre-d'Oléron, France | M3.3 | 121 km | 3 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (7°C) | 3.5 in | |
| February | 45°F (7°C) | 3.1 in | |
| March | 48°F (9°C) | 2.6 in | |
| April | 52°F (11°C) | 2.9 in | |
| May | 59°F (15°C) | 3.0 in | |
| June | 64°F (18°C) | 2.3 in | |
| July | 70°F (21°C) | 1.9 in | Warmest, Driest |
| August | 68°F (20°C) | 2.2 in | |
| September | 63°F (17°C) | 3.2 in | |
| October | 56°F (14°C) | 3.4 in | |
| November | 48°F (9°C) | 4.0 in | Wettest |
| December | 44°F (7°C) | 3.9 in | Coldest |
Saint-Mariens has a seasonal temperature swing of 26°F / from 44°F in December to 70°F in July. Total annual precipitation is 35.8 inches, with November being the wettest month (4.0") and July the driest (1.9").