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Weather & Climate in Silly, Belgium
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Silly experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 41°F in January while summers reach 65°F in July. The area gets 213 sunny days per year. Annual precipitation totals 41.0 inches. The area receives 5.6 inches of snow annually. The city sits at an elevation of 194 feet.
Temperature
41°F Jan (5°C)
65°F Jul (19°C)
| Annual Average | 53.3°F |
| 1% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 65°F (19°C) |
| Sunny Days | 213 days/yr |
Geography
| Elevation | 194 ft (59 m) |
| Area | 6.7 sq mi (17.4 km²) |
| Population Density | 1,172/sq mi |
| Coordinates | 50.6488°N, 3.9236°W |
| Timezone | Europe/Brussels |
Precipitation & Snow
Air Quality
Earthquake History
121 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.4.
| Apr 13, 1992 | 1 km W of Kessenich, Belgium | M5.4 | 143 km | 21 km |
| Jun 23, 2001 | 2 km ENE of Niel-bij-As, Belgium | M4.8 | 127 km | 10 km |
| Apr 14, 1992 | 2 km SSE of Vaals, Netherlands | M4.3 | 149 km | 10 km |
| Jun 20, 1995 | 1 km N of Ghlin, Belgium | M4.3 | 18 km | 20 km |
| Aug 29, 1992 | 4 km SSE of Cousolre, France | M4.1 | 52 km | 18 km |
| Jun 23, 2001 | 1 km SW of Ulestraten, Netherlands | M4.0 | 133 km | 10 km |
| Dec 14, 1991 | 3 km SSE of Longfossé, France | M4.0 | 148 km | 10 km |
| Jul 23, 1996 | 5 km NW of Stoumont, Belgium | M3.9 | 131 km | 10 km |
| Aug 26, 1992 | 2 km WSW of Rance, Belgium | M3.9 | 62 km | 10 km |
| Apr 13, 1992 | 3 km WSW of Koningsbosch, Netherlands | M3.8 | 146 km | 10 km |
| Mar 7, 2001 | 0 km WSW of Wijlre, Netherlands | M3.8 | 140 km | 10 km |
| Jul 13, 2008 | 0 km ESE of Court-Saint-Étienne, Belgium | M3.8 | 46 km | 4 km |
| Jun 3, 1993 | 0 km NW of Kessenich, Belgium | M3.8 | 144 km | 10 km |
| Mar 7, 2001 | Belgium | M3.8 | 137 km | 10 km |
| Apr 13, 1992 | 0 km WSW of Schilberg, Netherlands | M3.7 | 146 km | 10 km |
| Mar 7, 2001 | 2 km E of Sibbe, Netherlands | M3.6 | 138 km | 10 km |
| Jun 23, 2001 | 0 km E of Berg, Netherlands | M3.6 | 133 km | 10 km |
| Apr 19, 1990 | 0 km SSW of Flémalle-Haute, Belgium | M3.6 | 107 km | 10 km |
| Jul 20, 1994 | 2 km N of Rousies, France | M3.5 | 40 km | 5 km |
| Apr 14, 1992 | 2 km SW of Kinrooi, Belgium | M3.5 | 137 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) | 2.5 in | |
| February | 38°F (3°C) | 2.1 in | Coldest, Driest |
| March | 43°F (6°C) | 2.7 in | |
| April | 47°F (9°C) | 2.1 in | |
| May | 55°F (13°C) | 2.6 in | |
| June | 60°F (15°C) | 2.9 in | |
| July | 65°F (19°C) | 2.7 in | Warmest |
| August | 64°F (18°C) | 2.3 in | |
| September | 58°F (14°C) | 2.3 in | |
| October | 51°F (11°C) | 2.8 in | |
| November | 43°F (6°C) | 3.0 in | Wettest |
| December | 39°F (4°C) | 2.9 in |
Silly has a seasonal temperature swing of 27°F / from 38°F in February to 65°F in July. Total annual precipitation is 30.9 inches, with November being the wettest month (3.0") and February the driest (2.1").