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Weather & Climate in Mailly-Maillet, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mailly-Maillet experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 41°F in January while summers reach 65°F in July. The area gets 224 sunny days per year, above the national average. Annual precipitation totals 39.2 inches. The area receives 1.9 inches of snow annually. The city sits at an elevation of 482 feet.
Temperature
41°F Jan (5°C)
65°F Jul (18°C)
| Annual Average | 53.1°F |
| 2% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 65°F (18°C) |
| Sunny Days | 224 days/yr |
Geography
| Elevation | 482 ft (147 m) |
| Area | 4.3 sq mi (11.1 km²) |
| Population Density | 144/sq mi |
| Coordinates | 50.0803°N, 2.6047°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
35 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.3.
| Jun 20, 1995 | 1 km N of Ghlin, Belgium | M4.3 | 103 km | 20 km |
| Aug 29, 1992 | 4 km SSE of Cousolre, France | M4.1 | 113 km | 18 km |
| Dec 14, 1991 | 3 km SSE of Longfossé, France | M4.0 | 82 km | 10 km |
| Aug 26, 1992 | 2 km WSW of Rance, Belgium | M3.9 | 118 km | 10 km |
| Jan 27, 1998 | 27 km W of Le Touquet-Paris-Plage, France | M3.8 | 110 km | 2 km |
| Jul 20, 1994 | 2 km N of Rousies, France | M3.5 | 102 km | 5 km |
| Jan 27, 1992 | 6 km SSE of Longfossé, France | M3.5 | 79 km | 10 km |
| Feb 13, 1997 | 26 km W of Le Touquet-Paris-Plage, France | M3.2 | 110 km | 5 km |
| Jul 14, 2008 | 1 km SW of Boussu, Belgium | M3.2 | 92 km | 4 km |
| Oct 25, 1998 | 6 km NNE of Montdidier, France | M3.2 | 42 km | 7 km |
| Jul 20, 1994 | 1 km NE of Quévy-le-Petit, Belgium | M3.1 | 102 km | 5 km |
| Jul 2, 2001 | 3 km NNE of Oostduinkerke, Belgium | M3.1 | 118 km | 5 km |
| Feb 27, 2005 | 1 km NW of Libercourt, France | M3.1 | 54 km | 4 km |
| Jun 1, 2005 | 3 km N of Grandvilliers, France | M3.1 | 63 km | 10 km |
| May 4, 1990 | 0 km NE of Coquelles, France | M3.1 | 111 km | 10 km |
| Nov 25, 1998 | 26 km N of Grand-Fort-Philippe, France | M3.0 | 133 km | 10 km |
| Jul 23, 1992 | 3 km ENE of Sivry, Belgium | M3.0 | 117 km | 10 km |
| May 1, 1997 | 21 km W of Fort-Mahon-Plage, France | M3.0 | 100 km | 5 km |
| Aug 23, 1994 | 2 km E of Dikkebus, Belgium | M2.9 | 84 km | 10 km |
| Mar 9, 1994 | 1 km NW of Houthulst, Belgium | M2.8 | 104 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 | — | 127 km |
| 1911 | FOLKSTONE, ENGLAND | Meteorological | 0.9 m | — | 149 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 2.2 in | |
| February | 38°F (3°C) | 1.9 in | Coldest, Driest |
| March | 43°F (6°C) | 2.1 in | |
| April | 47°F (8°C) | 1.9 in | |
| May | 54°F (12°C) | 2.3 in | |
| June | 58°F (15°C) | 2.5 in | |
| July | 65°F (18°C) | 2.2 in | Warmest |
| August | 63°F (17°C) | 2.1 in | |
| September | 58°F (14°C) | 2.5 in | |
| October | 51°F (11°C) | 2.6 in | |
| November | 43°F (6°C) | 2.6 in | Wettest |
| December | 39°F (4°C) | 2.6 in |
Mailly-Maillet has a seasonal temperature swing of 27°F / from 38°F in February to 65°F in July. Total annual precipitation is 27.6 inches, with November being the wettest month (2.6") and February the driest (1.9").