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Weather & Climate in Sillery, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sillery experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 41°F in January while summers reach 66°F in July. The area gets 232 sunny days per year, above the national average. Annual precipitation totals 37.6 inches. The area receives 2.5 inches of snow annually. The city sits at an elevation of 292 feet.
Temperature
41°F Jan (5°C)
66°F Jul (19°C)
| Annual Average | 53.5°F |
| 1% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 232 days/yr |
Geography
| Elevation | 292 ft (89 m) |
| Area | 4.1 sq mi (10.6 km²) |
| Population Density | 415/sq mi |
| Coordinates | 49.1982°N, 4.1324°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
26 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.3.
| Jun 20, 1995 | 1 km N of Ghlin, Belgium | M4.3 | 144 km | 20 km |
| Aug 29, 1992 | 4 km SSE of Cousolre, France | M4.1 | 112 km | 18 km |
| Aug 26, 1992 | 2 km WSW of Rance, Belgium | M3.9 | 104 km | 10 km |
| Jul 20, 1994 | 2 km N of Rousies, France | M3.5 | 122 km | 5 km |
| Jul 14, 2008 | 1 km SW of Boussu, Belgium | M3.2 | 139 km | 4 km |
| Oct 25, 1998 | 6 km NNE of Montdidier, France | M3.2 | 124 km | 7 km |
| Jul 20, 1994 | 1 km NE of Quévy-le-Petit, Belgium | M3.1 | 132 km | 5 km |
| Jun 17, 1991 | 2 km NW of Blénod-lès-Toul, France | M3.0 | 139 km | 10 km |
| Jul 23, 1992 | 3 km ENE of Sivry, Belgium | M3.0 | 110 km | 10 km |
| Oct 16, 1992 | 9 km SW of Saint-Dizier, France | M2.9 | 86 km | 10 km |
| Aug 29, 1992 | 2 km W of Rance, Belgium | M2.8 | 106 km | 10 km |
| Nov 8, 1994 | 2 km WSW of Landelies, Belgium | M2.8 | 131 km | 10 km |
| Nov 29, 1992 | 1 km ENE of Sivry, Belgium | M2.8 | 109 km | 8 km |
| Apr 30, 2002 | 0 km SSE of Waudrez, Belgium | M2.7 | 134 km | 3 km |
| Jan 9, 1990 | 1 km ENE of Nassogne, Belgium | M2.7 | 137 km | 10 km |
| Sep 26, 1997 | 8 km NE of Neufchâteau, France | M2.7 | 147 km | 10 km |
| Jan 31, 2003 | 2 km SSE of Loverval, Belgium | M2.6 | 131 km | 3 km |
| Jan 28, 1991 | 6 km S of Bièvre, Belgium | M2.6 | 100 km | 10 km |
| Aug 7, 1997 | 2 km WNW of Roeser, Luxembourg | M2.6 | 149 km | 10 km |
| Jul 11, 2003 | 3 km E of Tanlay, France | M2.6 | 150 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 1.9 in | |
| February | 38°F (3°C) | 1.7 in | Coldest, Driest |
| March | 44°F (7°C) | 2.0 in | |
| April | 48°F (9°C) | 1.8 in | |
| May | 56°F (13°C) | 2.3 in | Wettest |
| June | 61°F (16°C) | 2.3 in | |
| July | 66°F (19°C) | 2.2 in | Warmest |
| August | 65°F (18°C) | 2.1 in | |
| September | 59°F (15°C) | 2.1 in | |
| October | 51°F (11°C) | 2.1 in | |
| November | 43°F (6°C) | 2.1 in | |
| December | 39°F (4°C) | 2.2 in |
Sillery has a seasonal temperature swing of 28°F / from 38°F in February to 66°F in July. Total annual precipitation is 24.7 inches, with May being the wettest month (2.3") and February the driest (1.7").