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Weather & Climate in Saint-Mesmin, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Saint-Mesmin enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 43°F in January while summers reach 68°F in July. The area gets 261 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 29.4 inches (drier than the 38-inch national average). The city sits at an elevation of 551 feet.
Temperature
43°F Jan (6°C)
68°F Jul (20°C)
| Annual Average | 56.0°F |
| 4% above US avg | |
| January Average | 43°F (6°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 261 days/yr |
Geography
| Elevation | 551 ft (168 m) |
| Area | 10.2 sq mi (26.3 km²) |
| Population Density | 187/sq mi |
| Coordinates | 46.7938°N, 0.7338°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
343 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 | 106 km | 10 km |
| Jun 8, 2001 | France | M5.0 | 23 km | 12 km |
| Jun 16, 2023 | 5 km WNW of Mauzé-sur-le-Mignon, France | M4.8 | 64 km | 5 km |
| Jun 22, 2005 | 2 km E of La Guérinière, France | M4.3 | 113 km | 10 km |
| Jan 12, 1997 | 2 km E of Sainte-Hermine, France | M4.3 | 34 km | 10 km |
| May 2, 2016 | 6 km SE of L'Île-Bouchard, France | M4.2 | 96 km | 2 km |
| Apr 4, 2005 | 9 km WSW of Saint-Pierre-d'Oléron, France | M4.2 | 111 km | 10 km |
| Dec 6, 1991 | 2 km S of Bourgueil, France | M4.2 | 86 km | 10 km |
| Jun 25, 2001 | 10 km WSW of Saint-Pierre-d'Oléron, France | M4.2 | 113 km | 2 km |
| Sep 28, 2010 | 9 km W of Saint-Pierre-d'Oléron, France | M4.2 | 107 km | 2 km |
| Jun 30, 2010 | 1 km ENE of Fontenay-le-Comte, France | M4.2 | 36 km | 3 km |
| Feb 14, 2003 | 5 km NE of Vix, France | M4.1 | 44 km | 10 km |
| Mar 14, 2002 | 2 km WSW of Chantonnay, France | M4.1 | 30 km | 5 km |
| Feb 12, 2018 | 3 km SSE of La Meilleraie-Tillay, France | M4.1 | 12 km | 5 km |
| Jun 21, 2019 | 2 km WSW of Vihiers, France | M4.0 | 41 km | 8 km |
| Jul 25, 2010 | 5 km ENE of Saint-Maurice-la-Clouère, France | M4.0 | 102 km | 2 km |
| Jul 22, 2007 | 1 km SE of Les Lucs-sur-Boulogne, France | M3.9 | 57 km | 5 km |
| Dec 1, 1996 | 5 km SSW of Aigre, France | M3.9 | 118 km | 5 km |
| Apr 28, 2016 | 6 km WSW of Châtelaillon-Plage, France | M3.9 | 90 km | 10 km |
| Apr 5, 2001 | 2 km ENE of Melle, France | M3.9 | 79 km | 1 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 3.4 in | |
| February | 41°F (5°C) | 2.9 in | Coldest |
| March | 46°F (8°C) | 2.3 in | |
| April | 49°F (9°C) | 2.4 in | |
| May | 56°F (13°C) | 2.6 in | |
| June | 62°F (16°C) | 1.9 in | |
| July | 68°F (20°C) | 1.7 in | Warmest, Driest |
| August | 66°F (19°C) | 2.0 in | |
| September | 61°F (16°C) | 2.7 in | |
| October | 54°F (12°C) | 3.2 in | |
| November | 46°F (8°C) | 3.9 in | Wettest |
| December | 41°F (5°C) | 3.5 in |
Saint-Mesmin has a seasonal temperature swing of 27°F / from 41°F in February to 68°F in July. Total annual precipitation is 32.4 inches, with November being the wettest month (3.9") and July the driest (1.7").