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Weather & Climate in Jouy-en-Josas, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Jouy-en-Josas experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 41°F in January while summers reach 66°F in July. The area gets 234 sunny days per year, above the national average. Annual precipitation totals 35.2 inches. The area receives 1.6 inches of snow annually. The city sits at an elevation of 482 feet.
Temperature
41°F Jan (5°C)
66°F Jul (19°C)
| Annual Average | 53.4°F |
| 1% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 234 days/yr |
Geography
| Elevation | 482 ft (147 m) |
| Area | 3.9 sq mi (10.2 km²) |
| Population Density | 2,139/sq mi |
| Coordinates | 48.7591°N, 2.1697°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
10 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.3.
| Mar 6, 1999 | 2 km W of Vienne-en-Val, France | M3.3 | 107 km | 4 km |
| Oct 25, 1998 | 6 km NNE of Montdidier, France | M3.2 | 109 km | 7 km |
| Feb 22, 1999 | France | M3.1 | 113 km | 4 km |
| Jun 1, 2005 | 3 km N of Grandvilliers, France | M3.1 | 106 km | 10 km |
| Jan 5, 1994 | 0 km SSE of Saint-Martin-de-Boscherville, France | M2.7 | 116 km | 10 km |
| Nov 3, 2000 | 5 km ESE of Ouzouer-le-Marché, France | M2.6 | 106 km | 5 km |
| Dec 13, 1992 | 1 km SW of La Mailleraye-sur-Seine, France | M2.5 | 130 km | 10 km |
| Jan 12, 1999 | 5 km ESE of Ouzouer-le-Marché, France | M2.5 | 104 km | 18 km |
| Jun 11, 1997 | 4 km NE of Voves, France | M2.5 | 63 km | 10 km |
| Jun 22, 1999 | 5 km NNE of Oisemont, France | M2.5 | 141 km | 2 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 2.1 in | |
| February | 40°F (4°C) | 1.9 in | Coldest |
| March | 45°F (7°C) | 1.9 in | |
| April | 50°F (10°C) | 2.1 in | |
| May | 57°F (14°C) | 2.5 in | Wettest |
| June | 62°F (17°C) | 2.1 in | |
| July | 66°F (19°C) | 2.3 in | |
| August | 67°F (19°C) | 1.7 in | Warmest, Driest |
| September | 60°F (16°C) | 2.1 in | |
| October | 53°F (12°C) | 2.3 in | |
| November | 45°F (7°C) | 2.1 in | |
| December | 41°F (5°C) | 2.3 in |
Jouy-en-Josas has a seasonal temperature swing of 27°F / from 40°F in February to 67°F in August. Total annual precipitation is 25.3 inches, with May being the wettest month (2.5") and August the driest (1.7").