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Weather & Climate in Billy-Montigny, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Billy-Montigny 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 218 sunny days per year. Annual precipitation totals 38.2 inches. The area receives 4.7 inches of snow annually. The city sits at an elevation of 92 feet.
Temperature
42°F Jan (6°C)
65°F Jul (19°C)
| Annual Average | 53.8°F |
| 0% below US avg | |
| January Average | 42°F (6°C) |
| July Average | 65°F (19°C) |
| Sunny Days | 218 days/yr |
Geography
| Elevation | 92 ft (28 m) |
| Area | 1.1 sq mi (2.7 km²) |
| Population Density | 8,127/sq mi |
| Coordinates | 50.4171°N, 2.9029°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
39 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 | 71 km | 20 km |
| Aug 29, 1992 | 4 km SSE of Cousolre, France | M4.1 | 93 km | 18 km |
| Jan 23, 2007 | 57 km ENE of Broadstairs, United Kingdom | M4.1 | 147 km | 10 km |
| Dec 14, 1991 | 3 km SSE of Longfossé, France | M4.0 | 80 km | 10 km |
| Aug 26, 1992 | 2 km WSW of Rance, Belgium | M3.9 | 101 km | 10 km |
| Jan 27, 1998 | 27 km W of Le Touquet-Paris-Plage, France | M3.8 | 121 km | 2 km |
| Jul 13, 2008 | 0 km ESE of Court-Saint-Étienne, Belgium | M3.8 | 121 km | 4 km |
| May 22, 2015 | 3 km SSE of Ramsgate, United Kingdom | M3.7 | 143 km | 12 km |
| Jul 20, 1994 | 2 km N of Rousies, France | M3.5 | 79 km | 5 km |
| Jan 27, 1992 | 6 km SSE of Longfossé, France | M3.5 | 77 km | 10 km |
| Mar 3, 2009 | 1 km ENE of Hawkinge, United Kingdom | M3.5 | 144 km | 4 km |
| Jul 14, 2008 | 1 km SW of Boussu, Belgium | M3.2 | 62 km | 4 km |
| Oct 25, 1998 | 6 km NNE of Montdidier, France | M3.2 | 83 km | 7 km |
| Feb 13, 1997 | 26 km W of Le Touquet-Paris-Plage, France | M3.2 | 120 km | 5 km |
| May 4, 1990 | 0 km NE of Coquelles, France | M3.1 | 97 km | 10 km |
| Feb 27, 2005 | 1 km NW of Libercourt, France | M3.1 | 11 km | 4 km |
| Jun 1, 2005 | 3 km N of Grandvilliers, France | M3.1 | 105 km | 10 km |
| Jul 20, 1994 | 1 km NE of Quévy-le-Petit, Belgium | M3.1 | 75 km | 5 km |
| Jul 2, 2001 | 3 km NNE of Oostduinkerke, Belgium | M3.1 | 82 km | 5 km |
| Nov 25, 1998 | 26 km N of Grand-Fort-Philippe, France | M3.0 | 107 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 | — | 114 km |
| 1911 | FOLKSTONE, ENGLAND | Meteorological | 0.9 m | — | 139 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (6°C) | 2.2 in | |
| February | 39°F (4°C) | 1.7 in | Coldest, Driest |
| March | 44°F (7°C) | 2.1 in | |
| April | 48°F (9°C) | 1.9 in | |
| May | 55°F (13°C) | 2.4 in | |
| June | 60°F (15°C) | 2.5 in | |
| July | 65°F (19°C) | 2.3 in | Warmest |
| August | 64°F (18°C) | 2.1 in | |
| September | 59°F (15°C) | 2.4 in | |
| October | 52°F (11°C) | 2.5 in | |
| November | 44°F (7°C) | 2.7 in | Wettest |
| December | 40°F (5°C) | 2.5 in |
Billy-Montigny has a seasonal temperature swing of 27°F / from 39°F in February to 65°F in July. Total annual precipitation is 27.2 inches, with November being the wettest month (2.7") and February the driest (1.7").