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Weather & Climate in Cachan, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Cachan 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 226 sunny days per year, above the national average. Annual precipitation totals 39.4 inches. The area receives 1.3 inches of snow annually. The city sits at an elevation of 154 feet.
Temperature
42°F Jan (5°C)
67°F Jul (20°C)
| Annual Average | 54.5°F |
| 1% above US avg | |
| January Average | 42°F (5°C) |
| July Average | 67°F (20°C) |
| Sunny Days | 226 days/yr |
Geography
| Elevation | 154 ft (47 m) |
| Area | 1.1 sq mi (2.7 km²) |
| Population Density | 25,038/sq mi |
| Coordinates | 48.7963°N, 2.3366°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
11 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 | 112 km | 4 km |
| Oct 25, 1998 | 6 km NNE of Montdidier, France | M3.2 | 102 km | 7 km |
| Feb 22, 1999 | France | M3.1 | 126 km | 4 km |
| Jun 1, 2005 | 3 km N of Grandvilliers, France | M3.1 | 104 km | 10 km |
| Jan 5, 1994 | 0 km SSE of Saint-Martin-de-Boscherville, France | M2.7 | 123 km | 10 km |
| May 21, 2003 | France | M2.7 | 149 km | 3 km |
| Nov 3, 2000 | 5 km ESE of Ouzouer-le-Marché, France | M2.6 | 115 km | 5 km |
| Dec 13, 1992 | 1 km SW of La Mailleraye-sur-Seine, France | M2.5 | 137 km | 10 km |
| Jan 12, 1999 | 5 km ESE of Ouzouer-le-Marché, France | M2.5 | 114 km | 18 km |
| Jun 11, 1997 | 4 km NE of Voves, France | M2.5 | 74 km | 10 km |
| Jun 22, 1999 | 5 km NNE of Oisemont, France | M2.5 | 139 km | 2 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (5°C) | 2.0 in | |
| February | 41°F (5°C) | 1.8 in | Coldest |
| March | 46°F (8°C) | 1.9 in | |
| April | 50°F (10°C) | 2.0 in | |
| May | 58°F (14°C) | 2.4 in | Wettest |
| June | 63°F (17°C) | 2.2 in | |
| July | 67°F (20°C) | 2.2 in | Warmest |
| August | 67°F (20°C) | 1.7 in | Driest |
| September | 61°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) | 2.2 in |
Cachan has a seasonal temperature swing of 27°F / from 41°F in February to 67°F in July. Total annual precipitation is 24.9 inches, with May being the wettest month (2.4") and August the driest (1.7").