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Weather & Climate in Aalter, Belgium
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Aalter 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 56 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 | 56 ft (17 m) |
| Area | 20.9 sq mi (54.0 km²) |
| Population Density | 902/sq mi |
| Coordinates | 51.0902°N, 3.4469°W |
| Timezone | Europe/Brussels |
Precipitation & Snow
Air Quality
Earthquake History
41 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 | 75 km | 20 km |
| Aug 29, 1992 | 4 km SSE of Cousolre, France | M4.1 | 111 km | 18 km |
| Jan 23, 2007 | 57 km ENE of Broadstairs, United Kingdom | M4.1 | 110 km | 10 km |
| Dec 14, 1991 | 3 km SSE of Longfossé, France | M4.0 | 125 km | 10 km |
| Sep 15, 1994 | 38 km NE of Broadstairs, United Kingdom | M3.9 | 130 km | 10 km |
| Aug 26, 1992 | 2 km WSW of Rance, Belgium | M3.9 | 121 km | 10 km |
| Jul 13, 2008 | 0 km ESE of Court-Saint-Étienne, Belgium | M3.8 | 94 km | 4 km |
| May 22, 2015 | 3 km SSE of Ramsgate, United Kingdom | M3.7 | 142 km | 12 km |
| Jul 20, 1994 | 2 km N of Rousies, France | M3.5 | 97 km | 5 km |
| Jan 27, 1992 | 6 km SSE of Longfossé, France | M3.5 | 125 km | 10 km |
| Jun 11, 1993 | 2 km ESE of Sint-Huibrechts-Lille, Belgium | M3.3 | 146 km | 10 km |
| Jul 14, 2008 | 1 km SW of Boussu, Belgium | M3.2 | 78 km | 4 km |
| Jul 20, 1994 | 1 km NE of Quévy-le-Petit, Belgium | M3.1 | 87 km | 5 km |
| Aug 12, 1990 | 2 km WNW of Kleine-Brogel, Belgium | M3.1 | 138 km | 10 km |
| Jul 2, 2001 | 3 km NNE of Oostduinkerke, Belgium | M3.1 | 53 km | 5 km |
| May 10, 1990 | 1 km W of Modave, Belgium | M3.1 | 147 km | 11 km |
| Feb 27, 2005 | 1 km NW of Libercourt, France | M3.1 | 73 km | 4 km |
| May 4, 1990 | 0 km NE of Coquelles, France | M3.1 | 116 km | 10 km |
| Nov 25, 1998 | 26 km N of Grand-Fort-Philippe, France | M3.0 | 96 km | 10 km |
| Jul 23, 1992 | 3 km ENE of Sivry, Belgium | M3.0 | 115 km | 10 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 | - | 129 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (6°C) | 2.7 in | |
| February | 39°F (4°C) | 1.9 in | Coldest |
| March | 43°F (6°C) | 2.4 in | |
| April | 48°F (9°C) | 1.9 in | Driest |
| May | 55°F (13°C) | 2.4 in | |
| June | 60°F (16°C) | 2.9 in | |
| July | 65°F (19°C) | 2.7 in | Warmest |
| August | 64°F (18°C) | 2.4 in | |
| September | 59°F (15°C) | 3.0 in | |
| October | 52°F (11°C) | 3.3 in | |
| November | 44°F (7°C) | 3.4 in | Wettest |
| December | 40°F (5°C) | 3.1 in |
Aalter has a seasonal temperature swing of 27°F / from 39°F in February to 65°F in July. Total annual precipitation is 32.0 inches, with November being the wettest month (3.4") and April the driest (1.9").