Ailly-sur-Somme, France

Full City Profile

2.9 /5.0

C+ Fair

3,360 Population 578/sq mi density

102 ft Elevation 31 meters

54°F Avg Temperature 12°C

C+

Overall

2.9 / 5.0

Fair overall score based on economy, affordability, safety and education

Economy

2.0 / 5.0

$23,749 median income, 9.9% unemployment

B+

Affordability

3.8 / 5.0

$122,000 home value, $610/mo rent

Ailly-sur-Somme 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. Annual precipitation totals 40.0 inches. The area receives 1.1 inches of snow annually.

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	102 ft (31 m)
Area	5.8 sq mi (15.0 km²)
Population Density	578/sq mi
Coordinates	49.9289°N, 2.1962°W
Timezone	Europe/Paris

Precipitation & Snow

Annual Rainfall 40.0"

5% above US avg

Snowfall 1.1"

Wettest Month (Dec) 2.64"

Driest Month (Feb) 1.77"

Air Quality

Earthquake History

35 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.6. Most recent: M3.2 on Jul 14, 2008.

Oct 6, 1999	34 km NNW of Fécamp, France	M4.6	139 km
Jun 20, 1995	1 km N of Ghlin, Belgium	M4.3	136 km
Aug 29, 1992	4 km SSE of Cousolre, France	M4.1	144 km
Dec 14, 1991	3 km SSE of Longfossé, France	M4.0	82 km
Aug 26, 1992	2 km WSW of Rance, Belgium	M3.9	149 km
Jan 27, 1998	27 km W of Le Touquet-Paris-Plage, France	M3.8	95 km
Jul 20, 1994	2 km N of Rousies, France	M3.5	135 km
Jan 27, 1992	6 km SSE of Longfossé, France	M3.5	79 km
Jun 16, 1998	18 km NNW of Yport, France	M3.3	145 km
Feb 13, 1997	26 km W of Le Touquet-Paris-Plage, France	M3.2	96 km
Oct 25, 1998	6 km NNE of Montdidier, France	M3.2	39 km
Jul 14, 2008	1 km SW of Boussu, Belgium	M3.2	126 km
Jul 20, 1994	1 km NE of Quévy-le-Petit, Belgium	M3.1	135 km
Jul 2, 2001	3 km NNE of Oostduinkerke, Belgium	M3.1	140 km
Jun 1, 2005	3 km N of Grandvilliers, France	M3.1	31 km
May 4, 1990	0 km NE of Coquelles, France	M3.1	116 km
Feb 27, 2005	1 km NW of Libercourt, France	M3.1	85 km
Nov 25, 1998	26 km N of Grand-Fort-Philippe, France	M3.0	145 km
May 1, 1997	21 km W of Fort-Mahon-Plage, France	M3.0	81 km
Jul 23, 1992	3 km ENE of Sivry, Belgium	M3.0	148 km

Source: USGS (M2.5+, 1990–2025)

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	—	129 km
1911	FOLKSTONE, ENGLAND	Meteorological	0.9 m	—	147 km

Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	42°F (6°C)	2.2 in
February	39°F (4°C)	1.8 in	Coldest, Driest
March	44°F (7°C)	1.9 in
April	48°F (9°C)	1.9 in
May	55°F (13°C)	2.2 in
June	59°F (15°C)	2.5 in
July	65°F (18°C)	2.1 in	Warmest
August	64°F (18°C)	2.1 in
September	59°F (15°C)	2.5 in
October	52°F (11°C)	2.5 in
November	44°F (7°C)	2.5 in
December	40°F (5°C)	2.6 in	Wettest

Ailly-sur-Somme has a seasonal temperature swing of 26°F / from 39°F in February to 65°F in July. Total annual precipitation is 26.8 inches, with December being the wettest month (2.6") and February the driest (1.8").

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