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Weather & Climate in Boissy-sans-Avoir, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Boissy-sans-Avoir 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 308 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 | 308 ft (94 m) |
| Area | 1.8 sq mi (4.5 km²) |
| Population Density | 311/sq mi |
| Coordinates | 48.8167°N, 1.8000°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
17 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.7.
| Nov 2, 1997 | 7 km NW of Villers-sur-Mer, France | M3.7 | 149 km | 10 km |
| Aug 1, 2007 | 2 km SSE of Blonville-sur-Mer, France | M3.5 | 140 km | 5 km |
| Mar 6, 1999 | 2 km W of Vienne-en-Val, France | M3.3 | 115 km | 4 km |
| Oct 19, 2002 | 9 km NW of Trouville-sur-Mer, France | M3.2 | 148 km | 10 km |
| Oct 25, 1998 | 6 km NNE of Montdidier, France | M3.2 | 114 km | 7 km |
| Aug 29, 1992 | 2 km ESE of Radon, France | M3.2 | 127 km | 10 km |
| Feb 22, 1999 | France | M3.1 | 93 km | 4 km |
| Jun 1, 2005 | 3 km N of Grandvilliers, France | M3.1 | 99 km | 10 km |
| Jan 20, 1992 | 9 km NNW of Château-Renault, France | M3.0 | 146 km | 10 km |
| Jan 5, 1994 | 0 km SSE of Saint-Martin-de-Boscherville, France | M2.7 | 92 km | 10 km |
| Aug 11, 2002 | 3 km SSW of Rogerville, France | M2.6 | 135 km | 4 km |
| Nov 3, 2000 | 5 km ESE of Ouzouer-le-Marché, France | M2.6 | 104 km | 5 km |
| Dec 13, 1992 | 1 km SW of La Mailleraye-sur-Seine, France | M2.5 | 105 km | 10 km |
| Jan 12, 1999 | 5 km ESE of Ouzouer-le-Marché, France | M2.5 | 103 km | 18 km |
| Jun 11, 1997 | 4 km NE of Voves, France | M2.5 | 58 km | 10 km |
| Jun 22, 1999 | 5 km NNE of Oisemont, France | M2.5 | 132 km | 2 km |
| Jan 12, 1996 | 2 km NW of Valframbert, France | M2.5 | 132 km | 10 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) | 1.8 in | |
| April | 48°F (9°C) | 1.9 in | |
| May | 55°F (13°C) | 2.3 in | |
| June | 60°F (16°C) | 2.1 in | |
| July | 66°F (19°C) | 2.1 in | Warmest |
| August | 64°F (18°C) | 1.7 in | Driest |
| September | 59°F (15°C) | 2.1 in | |
| October | 52°F (11°C) | 2.4 in | Wettest |
| November | 44°F (6°C) | 2.1 in | |
| December | 40°F (4°C) | 2.3 in |
Boissy-sans-Avoir has a seasonal temperature swing of 27°F / from 39°F in February to 66°F in July. Total annual precipitation is 24.7 inches, with October being the wettest month (2.4") and August the driest (1.7").