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Weather & Climate in Westvleteren, Belgium
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Westvleteren experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 43°F in January while summers reach 65°F in July. The area gets 225 sunny days per year, above the national average. Annual precipitation totals 39.9 inches. The area receives 5.7 inches of snow annually. The city sits at an elevation of 20 feet.
Temperature
43°F Jan (6°C)
65°F Jul (18°C)
| Annual Average | 53.6°F |
| 1% below US avg | |
| January Average | 43°F (6°C) |
| July Average | 65°F (18°C) |
| Sunny Days | 225 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 6.1 sq mi (15.7 km²) |
| Population Density | 190/sq mi |
| Coordinates | 50.9274°N, 2.7169°W |
| Timezone | Europe/Brussels |
Precipitation & Snow
Air Quality
Earthquake History
46 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Apr 28, 2007 | 1 km WNW of Lympne, United Kingdom | M4.6 | 121 km | 10 km |
| Jun 20, 1995 | 1 km N of Ghlin, Belgium | M4.3 | 97 km | 20 km |
| Jan 23, 2007 | 57 km ENE of Broadstairs, United Kingdom | M4.1 | 90 km | 10 km |
| Aug 29, 1992 | 4 km SSE of Cousolre, France | M4.1 | 130 km | 18 km |
| Dec 14, 1991 | 3 km SSE of Longfossé, France | M4.0 | 71 km | 10 km |
| Aug 26, 1992 | 2 km WSW of Rance, Belgium | M3.9 | 140 km | 10 km |
| Sep 15, 1994 | 38 km NE of Broadstairs, United Kingdom | M3.9 | 101 km | 10 km |
| Jul 13, 2008 | 0 km ESE of Court-Saint-Étienne, Belgium | M3.8 | 135 km | 4 km |
| Jan 27, 1998 | 27 km W of Le Touquet-Paris-Plage, France | M3.8 | 117 km | 2 km |
| May 22, 2015 | 3 km SSE of Ramsgate, United Kingdom | M3.7 | 99 km | 12 km |
| Jul 20, 1994 | 2 km N of Rousies, France | M3.5 | 115 km | 5 km |
| Mar 3, 2009 | 1 km ENE of Hawkinge, United Kingdom | M3.5 | 110 km | 4 km |
| Jan 27, 1992 | 6 km SSE of Longfossé, France | M3.5 | 71 km | 10 km |
| Oct 25, 1998 | 6 km NNE of Montdidier, France | M3.2 | 137 km | 7 km |
| Jul 14, 2008 | 1 km SW of Boussu, Belgium | M3.2 | 94 km | 4 km |
| Feb 13, 1997 | 26 km W of Le Touquet-Paris-Plage, France | M3.2 | 115 km | 5 km |
| May 4, 1990 | 0 km NE of Coquelles, France | M3.1 | 64 km | 10 km |
| Jul 20, 1994 | 1 km NE of Quévy-le-Petit, Belgium | M3.1 | 107 km | 5 km |
| Jul 2, 2001 | 3 km NNE of Oostduinkerke, Belgium | M3.1 | 24 km | 5 km |
| Feb 27, 2005 | 1 km NW of Libercourt, France | M3.1 | 52 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
2 tsunamis 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 | — | 78 km |
| 1911 | FOLKSTONE, ENGLAND | Meteorological | 0.9 m | — | 105 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 2.2 in | |
| February | 39°F (4°C) | 1.7 in | Coldest, Driest |
| March | 43°F (6°C) | 2.1 in | |
| April | 47°F (8°C) | 1.9 in | |
| May | 54°F (12°C) | 2.2 in | |
| June | 59°F (15°C) | 2.4 in | |
| July | 65°F (18°C) | 2.4 in | Warmest |
| August | 63°F (17°C) | 2.1 in | |
| September | 58°F (15°C) | 2.7 in | |
| October | 52°F (11°C) | 2.8 in | |
| November | 45°F (7°C) | 3.0 in | Wettest |
| December | 40°F (5°C) | 2.6 in |
Westvleteren has a seasonal temperature swing of 26°F / from 39°F in February to 65°F in July. Total annual precipitation is 28.0 inches, with November being the wettest month (3.0") and February the driest (1.7").