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Weather & Climate in Ailly-le-Haut-Clocher, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ailly-le-Haut-Clocher 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 354 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 | 354 ft (108 m) |
| Area | 4.2 sq mi (10.8 km²) |
| Population Density | 206/sq mi |
| Coordinates | 50.0793°N, 1.9944°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
34 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 | 123 km | 1 km |
| Apr 28, 2007 | 1 km WNW of Lympne, United Kingdom | M4.6 | 132 km | 10 km |
| Jun 20, 1995 | 1 km N of Ghlin, Belgium | M4.3 | 143 km | 20 km |
| Dec 14, 1991 | 3 km SSE of Longfossé, France | M4.0 | 62 km | 10 km |
| Jan 27, 1998 | 27 km W of Le Touquet-Paris-Plage, France | M3.8 | 73 km | 2 km |
| May 22, 2015 | 3 km SSE of Ramsgate, United Kingdom | M3.7 | 142 km | 12 km |
| Jan 27, 1992 | 6 km SSE of Longfossé, France | M3.5 | 59 km | 10 km |
| Mar 3, 2009 | 1 km ENE of Hawkinge, United Kingdom | M3.5 | 129 km | 4 km |
| Jul 20, 1994 | 2 km N of Rousies, France | M3.5 | 145 km | 5 km |
| Jun 16, 1998 | 18 km NNW of Yport, France | M3.3 | 132 km | 5 km |
| Feb 13, 1997 | 26 km W of Le Touquet-Paris-Plage, France | M3.2 | 74 km | 5 km |
| Jul 14, 2008 | 1 km SW of Boussu, Belgium | M3.2 | 133 km | 4 km |
| Oct 25, 1998 | 6 km NNE of Montdidier, France | M3.2 | 61 km | 7 km |
| Feb 27, 2005 | 1 km NW of Libercourt, France | M3.1 | 85 km | 4 km |
| Jul 20, 1994 | 1 km NE of Quévy-le-Petit, Belgium | M3.1 | 144 km | 5 km |
| Jun 1, 2005 | 3 km N of Grandvilliers, France | M3.1 | 42 km | 10 km |
| Jul 2, 2001 | 3 km NNE of Oostduinkerke, Belgium | M3.1 | 128 km | 5 km |
| May 4, 1990 | 0 km NE of Coquelles, France | M3.1 | 97 km | 10 km |
| Nov 25, 1998 | 26 km N of Grand-Fort-Philippe, France | M3.0 | 128 km | 10 km |
| May 1, 1997 | 21 km W of Fort-Mahon-Plage, France | M3.0 | 60 km | 5 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 | — | 109 km |
| 1911 | FOLKSTONE, ENGLAND | Meteorological | 0.9 m | — | 125 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (6°C) | 2.3 in | |
| February | 39°F (4°C) | 1.9 in | Coldest, Driest |
| March | 44°F (7°C) | 2.1 in | |
| April | 47°F (9°C) | 2.0 in | |
| May | 54°F (12°C) | 2.2 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 | 59°F (15°C) | 2.8 in | |
| October | 52°F (11°C) | 2.9 in | |
| November | 45°F (7°C) | 3.1 in | Wettest |
| December | 41°F (5°C) | 2.9 in |
Ailly-le-Haut-Clocher has a seasonal temperature swing of 26°F / from 39°F in February to 65°F in July. Total annual precipitation is 28.9 inches, with November being the wettest month (3.1") and February the driest (1.9").