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Weather & Climate in Blendecques, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Blendecques experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 42°F in January while summers reach 64°F in July. The area gets 217 sunny days per year. Annual precipitation totals 36.5 inches. The area receives 4.0 inches of snow annually. The city sits at an elevation of 39 feet.
Temperature
42°F Jan (5°C)
64°F Jul (18°C)
| Annual Average | 53.3°F |
| 1% below US avg | |
| January Average | 42°F (5°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 217 days/yr |
Geography
| Elevation | 39 ft (12 m) |
| Area | 3.7 sq mi (9.6 km²) |
| Population Density | 1,445/sq mi |
| Coordinates | 50.7184°N, 2.2860°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
39 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 | 98 km | 10 km |
| Jun 20, 1995 | 1 km N of Ghlin, Belgium | M4.3 | 117 km | 20 km |
| Jan 23, 2007 | 57 km ENE of Broadstairs, United Kingdom | M4.1 | 104 km | 10 km |
| Aug 29, 1992 | 4 km SSE of Cousolre, France | M4.1 | 145 km | 18 km |
| Dec 14, 1991 | 3 km SSE of Longfossé, France | M4.0 | 34 km | 10 km |
| Sep 15, 1994 | 38 km NE of Broadstairs, United Kingdom | M3.9 | 107 km | 10 km |
| Jan 27, 1998 | 27 km W of Le Touquet-Paris-Plage, France | M3.8 | 80 km | 2 km |
| May 22, 2015 | 3 km SSE of Ramsgate, United Kingdom | M3.7 | 88 km | 12 km |
| Jul 20, 1994 | 2 km N of Rousies, France | M3.5 | 130 km | 5 km |
| Mar 3, 2009 | 1 km ENE of Hawkinge, United Kingdom | M3.5 | 89 km | 4 km |
| Jan 27, 1992 | 6 km SSE of Longfossé, France | M3.5 | 34 km | 10 km |
| Feb 13, 1997 | 26 km W of Le Touquet-Paris-Plage, France | M3.2 | 79 km | 5 km |
| Jul 14, 2008 | 1 km SW of Boussu, Belgium | M3.2 | 111 km | 4 km |
| Oct 25, 1998 | 6 km NNE of Montdidier, France | M3.2 | 115 km | 7 km |
| Feb 27, 2005 | 1 km NW of Libercourt, France | M3.1 | 56 km | 4 km |
| Jun 1, 2005 | 3 km N of Grandvilliers, France | M3.1 | 116 km | 10 km |
| May 4, 1990 | 0 km NE of Coquelles, France | M3.1 | 42 km | 10 km |
| Jul 20, 1994 | 1 km NE of Quévy-le-Petit, Belgium | M3.1 | 124 km | 5 km |
| Jul 2, 2001 | 3 km NNE of Oostduinkerke, Belgium | M3.1 | 55 km | 5 km |
| Mar 28, 1996 | 67 km ESE of Aldeburgh, United Kingdom | M3.0 | 131 km | 10 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 | - | 59 km |
| 1911 | FOLKSTONE, ENGLAND | Meteorological | 0.9 m | - | 85 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (5°C) | 2.2 in | |
| February | 39°F (4°C) | 1.7 in | Coldest, Driest |
| March | 44°F (7°C) | 1.9 in | |
| April | 48°F (9°C) | 1.8 in | |
| May | 54°F (12°C) | 1.9 in | |
| June | 59°F (15°C) | 2.1 in | |
| July | 64°F (18°C) | 2.1 in | Warmest |
| August | 63°F (17°C) | 2.1 in | |
| September | 59°F (15°C) | 2.6 in | |
| October | 53°F (12°C) | 2.7 in | |
| November | 46°F (8°C) | 3.0 in | Wettest |
| December | 41°F (5°C) | 2.5 in |
Blendecques has a seasonal temperature swing of 25°F / from 39°F in February to 64°F in July. Total annual precipitation is 26.5 inches, with November being the wettest month (3.0") and February the driest (1.7").