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Weather & Climate in Fontenay-lès-Briis, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Fontenay-lès-Briis experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 42°F in January while summers reach 67°F in July. The area gets 231 sunny days per year, above the national average. Annual precipitation totals 32.8 inches. The area receives 2.1 inches of snow annually. The city sits at an elevation of 367 feet.
Temperature
42°F Jan (5°C)
67°F Jul (20°C)
| Annual Average | 54.6°F |
| 1% above US avg | |
| January Average | 42°F (5°C) |
| July Average | 67°F (20°C) |
| Sunny Days | 231 days/yr |
Geography
| Elevation | 367 ft (112 m) |
| Area | 3.8 sq mi (9.7 km²) |
| Population Density | 479/sq mi |
| Coordinates | 48.6196°N, 2.1528°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
17 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 | 136 km | 18 km |
| Mar 6, 1999 | 2 km W of Vienne-en-Val, France | M3.3 | 91 km | 4 km |
| Aug 29, 1992 | 2 km ESE of Radon, France | M3.2 | 149 km | 10 km |
| Oct 25, 1998 | 6 km NNE of Montdidier, France | M3.2 | 125 km | 7 km |
| Feb 22, 1999 | France | M3.1 | 106 km | 4 km |
| Jun 1, 2005 | 3 km N of Grandvilliers, France | M3.1 | 121 km | 10 km |
| Jan 20, 1992 | 9 km NNW of Château-Renault, France | M3.0 | 144 km | 10 km |
| Jun 7, 2008 | 3 km ENE of Cangey, France | M3.0 | 149 km | 3 km |
| May 21, 2003 | France | M2.7 | 144 km | 3 km |
| Jan 5, 1994 | 0 km SSE of Saint-Martin-de-Boscherville, France | M2.7 | 125 km | 10 km |
| Aug 14, 1998 | 14 km NNW of Clamecy, France | M2.7 | 150 km | 2 km |
| Dec 24, 1997 | 8 km WSW of Savigny-en-Sancerre, France | M2.7 | 142 km | 5 km |
| Nov 3, 2000 | 5 km ESE of Ouzouer-le-Marché, France | M2.6 | 91 km | 5 km |
| Jan 26, 2000 | 3 km N of Neuvy-sur-Barangeon, France | M2.6 | 142 km | 12 km |
| Jun 11, 1997 | 4 km NE of Voves, France | M2.5 | 50 km | 10 km |
| Jan 12, 1999 | 5 km ESE of Ouzouer-le-Marché, France | M2.5 | 90 km | 18 km |
| Dec 13, 1992 | 1 km SW of La Mailleraye-sur-Seine, France | M2.5 | 139 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (5°C) | 2.1 in | |
| February | 39°F (4°C) | 1.9 in | Coldest |
| March | 45°F (7°C) | 1.9 in | |
| April | 49°F (9°C) | 2.0 in | |
| May | 56°F (13°C) | 2.4 in | Wettest |
| June | 61°F (16°C) | 2.0 in | |
| July | 67°F (20°C) | 2.2 in | Warmest |
| August | 65°F (19°C) | 1.7 in | Driest |
| September | 59°F (15°C) | 2.1 in | |
| October | 52°F (11°C) | 2.3 in | |
| November | 44°F (7°C) | 2.1 in | |
| December | 40°F (4°C) | 2.2 in |
Fontenay-lès-Briis has a seasonal temperature swing of 28°F / from 39°F in February to 67°F in July. Total annual precipitation is 24.8 inches, with May being the wettest month (2.4") and August the driest (1.7").