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Weather & Climate in Les Clayes-sous-Bois, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Les Clayes-sous-Bois 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 433 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 | 433 ft (132 m) |
| Area | 2.4 sq mi (6.1 km²) |
| Population Density | 7,532/sq mi |
| Coordinates | 48.8221°N, 1.9868°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
13 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 | 114 km | 4 km |
| Aug 29, 1992 | 2 km ESE of Radon, France | M3.2 | 140 km | 10 km |
| Oct 25, 1998 | 6 km NNE of Montdidier, France | M3.2 | 107 km | 7 km |
| Feb 22, 1999 | France | M3.1 | 105 km | 4 km |
| Jun 1, 2005 | 3 km N of Grandvilliers, France | M3.1 | 98 km | 10 km |
| Jan 5, 1994 | 0 km SSE of Saint-Martin-de-Boscherville, France | M2.7 | 101 km | 10 km |
| Aug 11, 2002 | 3 km SSW of Rogerville, France | M2.6 | 146 km | 4 km |
| Nov 3, 2000 | 5 km ESE of Ouzouer-le-Marché, France | M2.6 | 108 km | 5 km |
| Jan 12, 1996 | 2 km NW of Valframbert, France | M2.5 | 145 km | 10 km |
| Dec 13, 1992 | 1 km SW of La Mailleraye-sur-Seine, France | M2.5 | 115 km | 10 km |
| Jan 12, 1999 | 5 km ESE of Ouzouer-le-Marché, France | M2.5 | 106 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 | 132 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 | 39°F (4°C) | 1.9 in | Coldest |
| March | 44°F (7°C) | 1.9 in | |
| April | 48°F (9°C) | 2.0 in | |
| May | 55°F (13°C) | 2.4 in | Wettest |
| June | 60°F (16°C) | 2.1 in | |
| July | 66°F (19°C) | 2.2 in | Warmest |
| August | 65°F (18°C) | 1.7 in | Driest |
| September | 59°F (15°C) | 2.1 in | |
| October | 52°F (11°C) | 2.4 in | |
| November | 44°F (7°C) | 2.1 in | |
| December | 40°F (4°C) | 2.3 in |
Les Clayes-sous-Bois has a seasonal temperature swing of 27°F / from 39°F in February to 66°F in July. Total annual precipitation is 25.0 inches, with May being the wettest month (2.4") and August the driest (1.7").