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Weather & Climate in Massy, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Massy experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 42°F in January while summers reach 68°F in July. The area gets 238 sunny days per year, above the national average. Annual precipitation totals 40.3 inches. The area receives 1.7 inches of snow annually. The city sits at an elevation of 276 feet.
Temperature
42°F Jan (6°C)
68°F Jul (20°C)
| Annual Average | 55.2°F |
| 2% above US avg | |
| January Average | 42°F (6°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 238 days/yr |
Geography
| Elevation | 276 ft (84 m) |
| Area | 4.1 sq mi (10.6 km²) |
| Population Density | 9,456/sq mi |
| Coordinates | 48.7269°N, 2.2830°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
12 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 | 148 km | 18 km |
| Mar 6, 1999 | 2 km W of Vienne-en-Val, France | M3.3 | 104 km | 4 km |
| Oct 25, 1998 | 6 km NNE of Montdidier, France | M3.2 | 111 km | 7 km |
| Feb 22, 1999 | France | M3.1 | 119 km | 4 km |
| Jun 1, 2005 | 3 km N of Grandvilliers, France | M3.1 | 111 km | 10 km |
| Jan 5, 1994 | 0 km SSE of Saint-Martin-de-Boscherville, France | M2.7 | 124 km | 10 km |
| May 21, 2003 | France | M2.7 | 146 km | 3 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 | 139 km | 10 km |
| Jan 12, 1999 | 5 km ESE of Ouzouer-le-Marché, France | M2.5 | 105 km | 18 km |
| Jun 11, 1997 | 4 km NE of Voves, France | M2.5 | 65 km | 10 km |
| Jun 22, 1999 | 5 km NNE of Oisemont, France | M2.5 | 146 km | 2 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (6°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 | 68°F (20°C) | 2.3 in | Warmest |
| August | 67°F (19°C) | 1.7 in | 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 |
Massy has a seasonal temperature swing of 28°F / from 40°F in February to 68°F in July. Total annual precipitation is 25.3 inches, with May being the wettest month (2.5") and August the driest (1.7").