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Weather & Climate in Petosse, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Petosse 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 135 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 | 135 ft (41 m) |
| Area | 6.1 sq mi (15.9 km²) |
| Population Density | 85/sq mi |
| Coordinates | 46.4809°N, 0.9090°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
331 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 | 69 km | 10 km |
| Jun 8, 2001 | France | M5.0 | 24 km | 12 km |
| Jun 16, 2023 | 5 km WNW of Mauzé-sur-le-Mignon, France | M4.8 | 33 km | 5 km |
| Mar 20, 2019 | 5 km NNE of Montendre, France | M4.5 | 134 km | 10 km |
| Jun 22, 2005 | 2 km E of La Guérinière, France | M4.3 | 112 km | 10 km |
| Jan 12, 1997 | 2 km E of Sainte-Hermine, France | M4.3 | 12 km | 10 km |
| Apr 4, 2005 | 9 km WSW of Saint-Pierre-d'Oléron, France | M4.2 | 74 km | 10 km |
| May 2, 2016 | 6 km SE of L'Île-Bouchard, France | M4.2 | 124 km | 2 km |
| Sep 28, 2010 | 9 km W of Saint-Pierre-d'Oléron, France | M4.2 | 71 km | 2 km |
| Dec 6, 1991 | 2 km S of Bourgueil, France | M4.2 | 120 km | 10 km |
| Jun 25, 2001 | 10 km WSW of Saint-Pierre-d'Oléron, France | M4.2 | 76 km | 2 km |
| Jun 30, 2010 | 1 km ENE of Fontenay-le-Comte, France | M4.2 | 10 km | 3 km |
| Mar 14, 2002 | 2 km WSW of Chantonnay, France | M4.1 | 25 km | 5 km |
| Feb 12, 2018 | 3 km SSE of La Meilleraie-Tillay, France | M4.1 | 26 km | 5 km |
| Feb 14, 2003 | 5 km NE of Vix, France | M4.1 | 12 km | 10 km |
| Jun 21, 2019 | 2 km WSW of Vihiers, France | M4.0 | 78 km | 8 km |
| Jul 25, 2010 | 5 km ENE of Saint-Maurice-la-Clouère, France | M4.0 | 106 km | 2 km |
| Apr 28, 2016 | 6 km WSW of Châtelaillon-Plage, France | M3.9 | 53 km | 10 km |
| Mar 6, 2013 | 0 km E of Ars-en-Ré, France | M3.9 | 56 km | 2 km |
| Jun 17, 2023 | 2 km WSW of Marans, France | M3.9 | 22 km | 5 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 (6°C) | 2.6 in | |
| March | 48°F (9°C) | 2.1 in | |
| April | 51°F (11°C) | 2.3 in | |
| May | 58°F (15°C) | 2.3 in | |
| June | 64°F (18°C) | 1.6 in | |
| July | 68°F (20°C) | 1.5 in | Warmest, Driest |
| August | 68°F (20°C) | 1.7 in | |
| September | 63°F (17°C) | 2.6 in | |
| October | 56°F (14°C) | 3.2 in | |
| November | 48°F (9°C) | 3.6 in | Wettest |
| December | 43°F (6°C) | 3.2 in | Coldest |
Petosse has a seasonal temperature swing of 25°F / from 43°F in December to 68°F in July. Total annual precipitation is 29.8 inches, with November being the wettest month (3.6") and July the driest (1.5").