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Weather & Climate in Roly, Belgium
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Roly experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 38°F in January while summers reach 64°F in July. The area gets 205 sunny days per year. Annual precipitation totals 45.1 inches. The area receives 9.3 inches of snow annually. The city sits at an elevation of 653 feet.
Temperature
38°F Jan (3°C)
64°F Jul (18°C)
| Annual Average | 51.3°F |
| 5% below US avg | |
| January Average | 38°F (3°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 205 days/yr |
Geography
| Elevation | 653 ft (199 m) |
| Area | 4.3 sq mi (11.1 km²) |
| Population Density | 180/sq mi |
| Coordinates | 50.1355°N, 4.5373°W |
| Timezone | Europe/Brussels |
Precipitation & Snow
Air Quality
Earthquake History
157 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 | 144 km | 21 km |
| Jul 22, 2002 | 2 km ENE of Haanrade, Netherlands | M4.8 | 139 km | 17 km |
| Jun 23, 2001 | 2 km ENE of Niel-bij-As, Belgium | M4.8 | 126 km | 10 km |
| Apr 14, 1992 | 2 km SSE of Vaals, Netherlands | M4.3 | 126 km | 10 km |
| Jun 20, 1995 | 1 km N of Ghlin, Belgium | M4.3 | 60 km | 20 km |
| Aug 29, 1992 | 4 km SSE of Cousolre, France | M4.1 | 27 km | 18 km |
| Mar 17, 2002 | 1 km SE of Stolberg, Germany | M4.0 | 139 km | 10 km |
| Jun 23, 2001 | 1 km SW of Ulestraten, Netherlands | M4.0 | 122 km | 10 km |
| Aug 26, 1992 | 2 km WSW of Rance, Belgium | M3.9 | 20 km | 10 km |
| Jul 23, 1996 | 5 km NW of Stoumont, Belgium | M3.9 | 92 km | 10 km |
| Jun 3, 1993 | 0 km NW of Kessenich, Belgium | M3.8 | 145 km | 10 km |
| Mar 7, 2001 | Belgium | M3.8 | 121 km | 10 km |
| Mar 7, 2001 | 0 km WSW of Wijlre, Netherlands | M3.8 | 123 km | 10 km |
| Apr 13, 1992 | 3 km WSW of Koningsbosch, Netherlands | M3.8 | 140 km | 10 km |
| Jul 13, 2008 | 0 km ESE of Court-Saint-Étienne, Belgium | M3.8 | 55 km | 4 km |
| Apr 13, 1992 | 0 km WSW of Schilberg, Netherlands | M3.7 | 143 km | 10 km |
| Mar 7, 2001 | 2 km E of Sibbe, Netherlands | M3.6 | 123 km | 10 km |
| Apr 19, 1990 | 0 km SSW of Flémalle-Haute, Belgium | M3.6 | 82 km | 10 km |
| Jun 23, 2001 | 0 km E of Berg, Netherlands | M3.6 | 120 km | 10 km |
| Apr 14, 1992 | 2 km SW of Kinrooi, Belgium | M3.5 | 138 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
1 volcano within 200 km. Closest: West Eifel Volcanic Field (165 km).
| Name | Type | Elevation | Last Eruption | Distance |
| West Eifel Volcanic Field | Maar(s) | 600 m (1,969 ft) | -8300 | 165 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (3°C) | 2.8 in | |
| February | 37°F (3°C) | 2.4 in | Coldest, Driest |
| March | 42°F (5°C) | 2.7 in | |
| April | 46°F (8°C) | 2.4 in | |
| May | 54°F (12°C) | 2.8 in | |
| June | 58°F (15°C) | 3.1 in | Wettest |
| July | 64°F (18°C) | 2.8 in | Warmest |
| August | 62°F (17°C) | 2.4 in | |
| September | 57°F (14°C) | 2.6 in | |
| October | 50°F (10°C) | 2.8 in | |
| November | 42°F (5°C) | 2.9 in | |
| December | 38°F (3°C) | 3.0 in |
Roly has a seasonal temperature swing of 27°F / from 37°F in February to 64°F in July. Total annual precipitation is 32.7 inches, with June being the wettest month (3.1") and February the driest (2.4").