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Weather & Climate in Grigny, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Grigny 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 279 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 | 279 ft (85 m) |
| Area | 2.6 sq mi (6.8 km²) |
| Population Density | 9,447/sq mi |
| Coordinates | 48.6541°N, 2.3934°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
15 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 | 141 km | 18 km |
| Mar 6, 1999 | 2 km W of Vienne-en-Val, France | M3.3 | 97 km | 4 km |
| Oct 25, 1998 | 6 km NNE of Montdidier, France | M3.2 | 117 km | 7 km |
| Feb 22, 1999 | France | M3.1 | 124 km | 4 km |
| Jun 1, 2005 | 3 km N of Grandvilliers, France | M3.1 | 121 km | 10 km |
| Jan 5, 1994 | 0 km SSE of Saint-Martin-de-Boscherville, France | M2.7 | 136 km | 10 km |
| Dec 24, 1997 | 8 km WSW of Savigny-en-Sancerre, France | M2.7 | 141 km | 5 km |
| Aug 14, 1998 | 14 km NNW of Clamecy, France | M2.7 | 143 km | 2 km |
| May 21, 2003 | France | M2.7 | 134 km | 3 km |
| May 13, 2005 | 7 km WSW of Vermenton, France | M2.7 | 146 km | 4 km |
| Nov 3, 2000 | 5 km ESE of Ouzouer-le-Marché, France | M2.6 | 104 km | 5 km |
| Jan 26, 2000 | 3 km N of Neuvy-sur-Barangeon, France | M2.6 | 146 km | 12 km |
| Dec 13, 1992 | 1 km SW of La Mailleraye-sur-Seine, France | M2.5 | 150 km | 10 km |
| Jan 12, 1999 | 5 km ESE of Ouzouer-le-Marché, France | M2.5 | 102 km | 18 km |
| Jun 11, 1997 | 4 km NE of Voves, France | M2.5 | 66 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 |
Grigny 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").