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Weather & Climate in Wierre-Effroy, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Wierre-Effroy experiences four distinct seasons with an average annual temperature of 51°F (10°C). Winters average 40°F in January while summers reach 62°F in July. The area gets 291 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 24.6 inches (drier than the 38-inch national average). The city sits at an elevation of 131 feet.
Temperature
40°F Jan (4°C)
62°F Jul (17°C)
| Annual Average | 50.7°F |
| 6% below US avg | |
| January Average | 40°F (4°C) |
| July Average | 62°F (17°C) |
| Sunny Days | 291 days/yr |
Geography
| Elevation | 131 ft (40 m) |
| Area | 7.3 sq mi (18.9 km²) |
| Population Density | 106/sq mi |
| Coordinates | 50.7783°N, 1.7372°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
37 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Oct 6, 1999 | 34 km NNW of Fécamp, France | M4.6 | 131 km | 1 km |
| Apr 28, 2007 | 1 km WNW of Lympne, United Kingdom | M4.6 | 61 km | 10 km |
| Jan 23, 2007 | 57 km ENE of Broadstairs, United Kingdom | M4.1 | 101 km | 10 km |
| Dec 14, 1991 | 3 km SSE of Longfossé, France | M4.0 | 18 km | 10 km |
| Sep 15, 1994 | 38 km NE of Broadstairs, United Kingdom | M3.9 | 95 km | 10 km |
| Jan 27, 1998 | 27 km W of Le Touquet-Paris-Plage, France | M3.8 | 49 km | 2 km |
| May 22, 2015 | 3 km SSE of Ramsgate, United Kingdom | M3.7 | 62 km | 12 km |
| Jan 27, 1992 | 6 km SSE of Longfossé, France | M3.5 | 21 km | 10 km |
| Mar 3, 2009 | 1 km ENE of Hawkinge, United Kingdom | M3.5 | 54 km | 4 km |
| Jun 16, 1998 | 18 km NNW of Yport, France | M3.3 | 149 km | 5 km |
| Oct 25, 1998 | 6 km NNE of Montdidier, France | M3.2 | 135 km | 7 km |
| Feb 13, 1997 | 26 km W of Le Touquet-Paris-Plage, France | M3.2 | 47 km | 5 km |
| Jul 14, 2008 | 1 km SW of Boussu, Belgium | M3.2 | 150 km | 4 km |
| Feb 27, 2005 | 1 km NW of Libercourt, France | M3.1 | 94 km | 4 km |
| Jun 1, 2005 | 3 km N of Grandvilliers, France | M3.1 | 121 km | 10 km |
| May 4, 1990 | 0 km NE of Coquelles, France | M3.1 | 19 km | 10 km |
| Jul 2, 2001 | 3 km NNE of Oostduinkerke, Belgium | M3.1 | 79 km | 5 km |
| Mar 28, 1996 | 67 km ESE of Aldeburgh, United Kingdom | M3.0 | 134 km | 10 km |
| May 1, 1997 | 21 km W of Fort-Mahon-Plage, France | M3.0 | 61 km | 5 km |
| Aug 26, 2002 | 40 km NNW of Étretat, France | M3.0 | 148 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 | — | 29 km |
| 1911 | FOLKSTONE, ENGLAND | Meteorological | 0.9 m | — | 50 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 2.2 in | Coldest |
| February | 40°F (4°C) | 1.7 in | |
| March | 44°F (7°C) | 1.6 in | |
| April | 47°F (9°C) | 1.5 in | Driest |
| May | 54°F (12°C) | 1.7 in | |
| June | 58°F (14°C) | 1.6 in | |
| July | 62°F (17°C) | 1.7 in | |
| August | 63°F (17°C) | 2.0 in | Warmest |
| September | 59°F (15°C) | 2.4 in | |
| October | 53°F (12°C) | 2.6 in | |
| November | 46°F (8°C) | 3.3 in | Wettest |
| December | 42°F (5°C) | 2.3 in |
Wierre-Effroy has a seasonal temperature swing of 23°F / from 40°F in January to 63°F in August. Total annual precipitation is 24.6 inches, with November being the wettest month (3.3") and April the driest (1.5").