Saint-Herblain, France

Full City Profile

2.6 /5.0

C+ Fair

46,898 Population 4,046/sq mi density

75 ft Elevation 23 meters

57°F Avg Temperature 14°C

C+

Overall

2.6 / 5.0

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

Economy

1.8 / 5.0

$24,840 median income, 11.6% unemployment

Affordability

3.3 / 5.0

$148,400 home value, $742/mo rent

Saint-Herblain enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 44°F in January while summers reach 67°F in July. The area gets 265 sunny days per year. Annual precipitation totals 36.6 inches. The area receives 0.3 inches of snow annually.

Temperature

44°F Jan (7°C) 67°F Jul (19°C)

Annual Average	56.7°F
	5% above US avg
January Average	44°F (7°C)
July Average	67°F (19°C)
Sunny Days	265 days/yr

Geography

Elevation	75 ft (23 m)
Area	11.6 sq mi (30.0 km²)
Population Density	4,046/sq mi
Coordinates	47.2115°N, 1.6510°W
Timezone	Europe/Paris

Precipitation & Snow

Annual Rainfall 36.6"

4% below US avg

Snowfall 0.3"

Wettest Month (Dec) 3.46"

Driest Month (Jun) 1.65"

Air Quality

Earthquake History

361 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.2. Most recent: M3.9 on Jun 17, 2023.

Apr 18, 2005	1 km SSW of Saint-Pierre-d'Oléron, France	M5.2	145 km
Jun 8, 2001	France	M5.0	77 km
Jun 16, 2023	5 km WNW of Mauzé-sur-le-Mignon, France	M4.8	131 km
Mar 13, 1993	1 km WSW of Pénestin, France	M4.6	70 km
Nov 21, 2013	1 km WSW of Plescop, France	M4.5	103 km
Jun 22, 2005	2 km E of La Guérinière, France	M4.3	49 km
Jan 12, 1997	2 km E of Sainte-Hermine, France	M4.3	87 km
Sep 28, 2010	9 km W of Saint-Pierre-d'Oléron, France	M4.2	141 km
Jun 30, 2010	1 km ENE of Fontenay-le-Comte, France	M4.2	105 km
Dec 6, 1991	2 km S of Bourgueil, France	M4.2	138 km
Sep 30, 2002	3 km W of Languidic, France	M4.2	136 km
Apr 4, 2005	9 km WSW of Saint-Pierre-d'Oléron, France	M4.2	145 km
Jun 25, 2001	10 km WSW of Saint-Pierre-d'Oléron, France	M4.2	147 km
Feb 12, 2018	3 km SSE of La Meilleraie-Tillay, France	M4.1	84 km
Mar 14, 2002	2 km WSW of Chantonnay, France	M4.1	74 km
Sep 30, 2002	1 km E of Languidic, France	M4.1	131 km
Feb 14, 2003	5 km NE of Vix, France	M4.1	111 km
Jun 21, 2019	2 km WSW of Vihiers, France	M4.0	83 km
Mar 6, 2013	0 km E of Ars-en-Ré, France	M3.9	112 km
Jul 22, 2007	1 km SE of Les Lucs-sur-Boulogne, France	M3.9	44 km

Source: USGS (M2.5+, 1990–2025)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	44°F (7°C)	3.4 in
February	43°F (6°C)	2.9 in	Coldest
March	47°F (8°C)	2.3 in
April	50°F (10°C)	2.3 in
May	57°F (14°C)	2.5 in
June	62°F (17°C)	1.7 in	Driest
July	67°F (19°C)	1.8 in	Warmest
August	66°F (19°C)	1.8 in
September	61°F (16°C)	2.6 in
October	55°F (13°C)	3.2 in
November	47°F (9°C)	3.4 in
December	43°F (6°C)	3.5 in	Wettest

Saint-Herblain has a seasonal temperature swing of 24°F / from 43°F in February to 67°F in July. Total annual precipitation is 31.3 inches, with December being the wettest month (3.5") and June the driest (1.7").

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