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Weather & Climate in Somain, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Somain 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 213 sunny days per year. Annual precipitation totals 40.0 inches. The area receives 4.0 inches of snow annually. The city sits at an elevation of 85 feet.
Temperature
42°F Jan (5°C)
65°F Jul (19°C)
| Annual Average | 53.7°F |
| 1% below US avg | |
| January Average | 42°F (5°C) |
| July Average | 65°F (19°C) |
| Sunny Days | 213 days/yr |
Geography
| Elevation | 85 ft (26 m) |
| Area | 5.0 sq mi (13.0 km²) |
| Population Density | 2,462/sq mi |
| Coordinates | 50.3596°N, 3.2811°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
38 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 | 46 km | 20 km |
| Aug 29, 1992 | 4 km SSE of Cousolre, France | M4.1 | 65 km | 18 km |
| Dec 14, 1991 | 3 km SSE of Longfossé, France | M4.0 | 107 km | 10 km |
| Aug 26, 1992 | 2 km WSW of Rance, Belgium | M3.9 | 73 km | 10 km |
| Jan 27, 1998 | 27 km W of Le Touquet-Paris-Plage, France | M3.8 | 148 km | 2 km |
| Jul 13, 2008 | 0 km ESE of Court-Saint-Étienne, Belgium | M3.8 | 97 km | 4 km |
| Jul 20, 1994 | 2 km N of Rousies, France | M3.5 | 52 km | 5 km |
| Jan 27, 1992 | 6 km SSE of Longfossé, France | M3.5 | 105 km | 10 km |
| Jul 14, 2008 | 1 km SW of Boussu, Belgium | M3.2 | 36 km | 4 km |
| Oct 25, 1998 | 6 km NNE of Montdidier, France | M3.2 | 88 km | 7 km |
| Feb 13, 1997 | 26 km W of Le Touquet-Paris-Plage, France | M3.2 | 147 km | 5 km |
| Jun 1, 2005 | 3 km N of Grandvilliers, France | M3.1 | 120 km | 10 km |
| May 4, 1990 | 0 km NE of Coquelles, France | M3.1 | 122 km | 10 km |
| Jul 20, 1994 | 1 km NE of Quévy-le-Petit, Belgium | M3.1 | 48 km | 5 km |
| Jul 2, 2001 | 3 km NNE of Oostduinkerke, Belgium | M3.1 | 96 km | 5 km |
| Feb 27, 2005 | 1 km NW of Libercourt, France | M3.1 | 25 km | 4 km |
| May 10, 1990 | 1 km W of Modave, Belgium | M3.1 | 141 km | 11 km |
| Nov 25, 1998 | 26 km N of Grand-Fort-Philippe, France | M3.0 | 128 km | 10 km |
| Jul 23, 1992 | 3 km ENE of Sivry, Belgium | M3.0 | 70 km | 10 km |
| May 1, 1997 | 21 km W of Fort-Mahon-Plage, France | M3.0 | 144 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
1 tsunami 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 | - | 139 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (5°C) | 2.2 in | |
| February | 39°F (4°C) | 1.7 in | Coldest, Driest |
| March | 44°F (7°C) | 2.3 in | |
| April | 48°F (9°C) | 1.9 in | |
| May | 55°F (13°C) | 2.4 in | |
| June | 60°F (16°C) | 2.6 in | |
| July | 65°F (19°C) | 2.4 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 (6°C) | 2.8 in | Wettest |
| December | 40°F (4°C) | 2.5 in |
Somain has a seasonal temperature swing of 27°F / from 39°F in February to 65°F in July. Total annual precipitation is 27.8 inches, with November being the wettest month (2.8") and February the driest (1.7").