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Weather & Climate in Mennecy, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mennecy experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 42°F in January while summers reach 68°F in July. The area gets 238 sunny days per year, above the national average. Annual precipitation totals 40.3 inches. The area receives 1.7 inches of snow annually. The city sits at an elevation of 269 feet.
Temperature
42°F Jan (6°C)
68°F Jul (20°C)
| Annual Average | 55.2°F |
| 2% above US avg | |
| January Average | 42°F (6°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 238 days/yr |
Geography
| Elevation | 269 ft (82 m) |
| Area | 4.3 sq mi (11.1 km²) |
| Population Density | 3,422/sq mi |
| Coordinates | 48.5690°N, 2.4438°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
16 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Jan 25, 1993 | 7 km SSE of Souesmes, France | M3.8 | 132 km | 18 km |
| Mar 6, 1999 | 2 km W of Vienne-en-Val, France | M3.3 | 89 km | 4 km |
| Oct 25, 1998 | 6 km NNE of Montdidier, France | M3.2 | 126 km | 7 km |
| Feb 22, 1999 | France | M3.1 | 125 km | 4 km |
| Jun 1, 2005 | 3 km N of Grandvilliers, France | M3.1 | 131 km | 10 km |
| Jan 5, 1994 | 0 km SSE of Saint-Martin-de-Boscherville, France | M2.7 | 145 km | 10 km |
| Dec 24, 1997 | 8 km WSW of Savigny-en-Sancerre, France | M2.7 | 132 km | 5 km |
| Aug 14, 1998 | 14 km NNW of Clamecy, France | M2.7 | 133 km | 2 km |
| May 21, 2003 | France | M2.7 | 125 km | 3 km |
| May 13, 2005 | 7 km WSW of Vermenton, France | M2.7 | 136 km | 4 km |
| Nov 3, 2000 | 5 km ESE of Ouzouer-le-Marché, France | M2.6 | 99 km | 5 km |
| Jan 26, 2000 | 3 km N of Neuvy-sur-Barangeon, France | M2.6 | 137 km | 12 km |
| Jul 11, 2003 | 3 km E of Tanlay, France | M2.6 | 148 km | 8 km |
| Jan 12, 1999 | 5 km ESE of Ouzouer-le-Marché, France | M2.5 | 97 km | 18 km |
| Jun 11, 1997 | 4 km NE of Voves, France | M2.5 | 64 km | 10 km |
| Dec 21, 1996 | 11 km ESE of Chablis, France | M2.5 | 142 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (6°C) | 2.0 in | |
| February | 40°F (4°C) | 1.9 in | Coldest |
| March | 45°F (7°C) | 1.9 in | |
| April | 49°F (10°C) | 1.9 in | |
| May | 57°F (14°C) | 2.3 in | Wettest |
| June | 62°F (16°C) | 2.1 in | |
| July | 68°F (20°C) | 2.1 in | Warmest |
| August | 66°F (19°C) | 1.7 in | Driest |
| September | 60°F (16°C) | 2.1 in | |
| October | 53°F (12°C) | 2.2 in | |
| November | 44°F (7°C) | 2.1 in | |
| December | 40°F (5°C) | 2.2 in |
Mennecy has a seasonal temperature swing of 29°F / from 40°F in February to 68°F in July. Total annual precipitation is 24.5 inches, with May being the wettest month (2.3") and August the driest (1.7").