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Weather & Climate in Allery, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Allery 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 228 sunny days per year, above the national average. Annual precipitation totals 40.0 inches. The area receives 1.1 inches of snow annually. The city sits at an elevation of 135 feet.
Temperature
42°F Jan (6°C)
65°F Jul (18°C)
| Annual Average | 53.6°F |
| 1% below US avg | |
| January Average | 42°F (6°C) |
| July Average | 65°F (18°C) |
| Sunny Days | 228 days/yr |
Geography
| Elevation | 135 ft (41 m) |
| Area | 9.6 sq mi (24.9 km²) |
| Population Density | 80/sq mi |
| Coordinates | 49.9640°N, 1.8983°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
32 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 | 117 km | 1 km |
| Apr 28, 2007 | 1 km WNW of Lympne, United Kingdom | M4.6 | 140 km | 10 km |
| Dec 14, 1991 | 3 km SSE of Longfossé, France | M4.0 | 74 km | 10 km |
| Jan 27, 1998 | 27 km W of Le Touquet-Paris-Plage, France | M3.8 | 78 km | 2 km |
| Sep 24, 2003 | 22 km WNW of Cauville-sur-Mer, France | M3.5 | 149 km | 17 km |
| Jan 27, 1992 | 6 km SSE of Longfossé, France | M3.5 | 71 km | 10 km |
| Mar 3, 2009 | 1 km ENE of Hawkinge, United Kingdom | M3.5 | 138 km | 4 km |
| Jun 16, 1998 | 18 km NNW of Yport, France | M3.3 | 123 km | 5 km |
| Oct 19, 2002 | 9 km NW of Trouville-sur-Mer, France | M3.2 | 149 km | 10 km |
| Oct 25, 1998 | 6 km NNE of Montdidier, France | M3.2 | 58 km | 7 km |
| Feb 13, 1997 | 26 km W of Le Touquet-Paris-Plage, France | M3.2 | 78 km | 5 km |
| Jul 14, 2008 | 1 km SW of Boussu, Belgium | M3.2 | 144 km | 4 km |
| Jun 1, 2005 | 3 km N of Grandvilliers, France | M3.1 | 30 km | 10 km |
| May 4, 1990 | 0 km NE of Coquelles, France | M3.1 | 109 km | 10 km |
| Feb 27, 2005 | 1 km NW of Libercourt, France | M3.1 | 98 km | 4 km |
| Jul 2, 2001 | 3 km NNE of Oostduinkerke, Belgium | M3.1 | 143 km | 5 km |
| May 1, 1997 | 21 km W of Fort-Mahon-Plage, France | M3.0 | 61 km | 5 km |
| Nov 25, 1998 | 26 km N of Grand-Fort-Philippe, France | M3.0 | 142 km | 10 km |
| Aug 26, 2002 | 40 km NNW of Étretat, France | M3.0 | 137 km | 4 km |
| Aug 23, 1994 | 2 km E of Dikkebus, Belgium | M2.9 | 117 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 | — | 120 km |
| 1911 | FOLKSTONE, ENGLAND | Meteorological | 0.9 m | — | 135 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (6°C) | 2.4 in | |
| February | 39°F (4°C) | 2.0 in | Coldest, Driest |
| March | 44°F (6°C) | 2.1 in | |
| April | 47°F (8°C) | 2.1 in | |
| May | 54°F (12°C) | 2.3 in | |
| June | 59°F (15°C) | 2.6 in | |
| July | 65°F (18°C) | 2.1 in | Warmest |
| August | 63°F (17°C) | 2.2 in | |
| September | 58°F (15°C) | 2.8 in | |
| October | 52°F (11°C) | 2.8 in | |
| November | 44°F (7°C) | 3.0 in | Wettest |
| December | 40°F (5°C) | 3.0 in |
Allery has a seasonal temperature swing of 26°F / from 39°F in February to 65°F in July. Total annual precipitation is 29.2 inches, with November being the wettest month (3.0") and February the driest (2.0").