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Weather & Climate in Rochefort-en-Yvelines, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Rochefort-en-Yvelines 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 358 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 | 358 ft (109 m) |
| Area | 4.9 sq mi (12.6 km²) |
| Population Density | 169/sq mi |
| Coordinates | 48.5852°N, 1.9877°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
18 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 | 134 km | 18 km |
| Mar 6, 1999 | 2 km W of Vienne-en-Val, France | M3.3 | 88 km | 4 km |
| Aug 29, 1992 | 2 km ESE of Radon, France | M3.2 | 136 km | 10 km |
| Oct 25, 1998 | 6 km NNE of Montdidier, France | M3.2 | 132 km | 7 km |
| Feb 22, 1999 | France | M3.1 | 93 km | 4 km |
| Jun 1, 2005 | 3 km N of Grandvilliers, France | M3.1 | 124 km | 10 km |
| Dec 9, 1992 | 7 km NNE of Neuvy-le-Roi, France | M3.0 | 143 km | 10 km |
| Jan 20, 1992 | 9 km NNW of Château-Renault, France | M3.0 | 133 km | 10 km |
| Jun 7, 2008 | 3 km ENE of Cangey, France | M3.0 | 140 km | 3 km |
| Dec 24, 1997 | 8 km WSW of Savigny-en-Sancerre, France | M2.7 | 142 km | 5 km |
| Jan 5, 1994 | 0 km SSE of Saint-Martin-de-Boscherville, France | M2.7 | 120 km | 10 km |
| Nov 3, 2000 | 5 km ESE of Ouzouer-le-Marché, France | M2.6 | 83 km | 5 km |
| Jan 26, 2000 | 3 km N of Neuvy-sur-Barangeon, France | M2.6 | 139 km | 12 km |
| May 8, 2004 | 4 km N of Nouzilly, France | M2.6 | 144 km | 2 km |
| Jan 12, 1999 | 5 km ESE of Ouzouer-le-Marché, France | M2.5 | 81 km | 18 km |
| Jun 11, 1997 | 4 km NE of Voves, France | M2.5 | 39 km | 10 km |
| Dec 13, 1992 | 1 km SW of La Mailleraye-sur-Seine, France | M2.5 | 133 km | 10 km |
| Jan 12, 1996 | 2 km NW of Valframbert, France | M2.5 | 141 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 | 44°F (7°C) | 1.9 in | |
| April | 48°F (9°C) | 1.9 in | |
| May | 55°F (13°C) | 2.4 in | Wettest |
| June | 60°F (16°C) | 2.0 in | |
| July | 67°F (20°C) | 2.2 in | Warmest |
| August | 65°F (18°C) | 1.6 in | Driest |
| September | 59°F (15°C) | 2.1 in | |
| October | 52°F (11°C) | 2.3 in | |
| November | 44°F (6°C) | 2.1 in | |
| December | 40°F (4°C) | 2.3 in |
Rochefort-en-Yvelines has a seasonal temperature swing of 29°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 (1.6").