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Weather & Climate in Mullem, Belgium
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mullem experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 42°F in January while summers reach 65°F in July. The area gets 221 sunny days per year, above the national average. Annual precipitation totals 40.5 inches. The area receives 6.8 inches of snow annually. The city sits at an elevation of 79 feet.
Temperature
42°F Jan (6°C)
65°F Jul (19°C)
| Annual Average | 53.5°F |
| 1% below US avg | |
| January Average | 42°F (6°C) |
| July Average | 65°F (19°C) |
| Sunny Days | 221 days/yr |
Geography
| Elevation | 79 ft (24 m) |
| Area | 1.2 sq mi (3.1 km²) |
| Population Density | 586/sq mi |
| Coordinates | 50.8967°N, 3.6054°W |
| Timezone | Europe/Brussels |
Precipitation & Snow
Air Quality
Earthquake History
54 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Jun 23, 2001 | 2 km ENE of Niel-bij-As, Belgium | M4.8 | 143 km | 10 km |
| Jun 20, 1995 | 1 km N of Ghlin, Belgium | M4.3 | 50 km | 20 km |
| Aug 29, 1992 | 4 km SSE of Cousolre, France | M4.1 | 86 km | 18 km |
| Jan 23, 2007 | 57 km ENE of Broadstairs, United Kingdom | M4.1 | 132 km | 10 km |
| Dec 14, 1991 | 3 km SSE of Longfossé, France | M4.0 | 129 km | 10 km |
| Aug 26, 1992 | 2 km WSW of Rance, Belgium | M3.9 | 96 km | 10 km |
| Jul 13, 2008 | 0 km ESE of Court-Saint-Étienne, Belgium | M3.8 | 74 km | 4 km |
| Apr 19, 1990 | 0 km SSW of Flémalle-Haute, Belgium | M3.6 | 134 km | 10 km |
| Jul 20, 1994 | 2 km N of Rousies, France | M3.5 | 73 km | 5 km |
| Apr 14, 1992 | 2 km SW of Kinrooi, Belgium | M3.5 | 150 km | 10 km |
| Jan 27, 1992 | 6 km SSE of Longfossé, France | M3.5 | 128 km | 10 km |
| Jun 11, 1993 | 2 km ESE of Sint-Huibrechts-Lille, Belgium | M3.3 | 139 km | 10 km |
| Nov 10, 2001 | 3 km WNW of Opgrimbie, Belgium | M3.2 | 143 km | 10 km |
| Aug 10, 1991 | 1 km S of Vottem, Belgium | M3.2 | 141 km | 10 km |
| Jul 14, 2008 | 1 km SW of Boussu, Belgium | M3.2 | 54 km | 4 km |
| Jul 2, 2001 | 3 km NNE of Oostduinkerke, Belgium | M3.1 | 69 km | 5 km |
| Aug 12, 1990 | 2 km WNW of Kleine-Brogel, Belgium | M3.1 | 131 km | 10 km |
| Feb 27, 2005 | 1 km NW of Libercourt, France | M3.1 | 62 km | 4 km |
| May 10, 1990 | 1 km W of Modave, Belgium | M3.1 | 127 km | 11 km |
| Jul 20, 1994 | 1 km NE of Quévy-le-Petit, Belgium | M3.1 | 63 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 6.0 m (20 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1858 | NORTH SEA | Unknown | 6.0 m | — | 141 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (6°C) | 2.6 in | |
| February | 39°F (4°C) | 1.9 in | Coldest, Driest |
| March | 44°F (7°C) | 2.5 in | |
| April | 48°F (9°C) | 1.9 in | |
| May | 56°F (13°C) | 2.4 in | |
| June | 61°F (16°C) | 2.9 in | |
| July | 65°F (19°C) | 2.7 in | Warmest |
| August | 65°F (18°C) | 2.3 in | |
| September | 59°F (15°C) | 2.8 in | |
| October | 52°F (11°C) | 3.1 in | |
| November | 44°F (7°C) | 3.3 in | Wettest |
| December | 40°F (4°C) | 3.0 in |
Mullem has a seasonal temperature swing of 27°F / from 39°F in February to 65°F in July. Total annual precipitation is 31.3 inches, with November being the wettest month (3.3") and February the driest (1.9").