Jassans-Riottier, France

Full City Profile

2.8 /5.0

C+ Fair

5,839 Population 3,139/sq mi density

686 ft Elevation 209 meters

56°F Avg Temperature 13°C

C+

Overall

2.8 / 5.0

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

Economy

2.1 / 5.0

$25,952 median income, 9.7% unemployment

B+

Affordability

3.5 / 5.0

$145,600 home value, $728/mo rent

Jassans-Riottier enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 40°F in January while summers reach 72°F in July. The area gets 257 sunny days per year. Annual precipitation totals 42.6 inches. The area receives 2.7 inches of snow annually.

Temperature

40°F Jan (4°C) 72°F Jul (22°C)

Annual Average	55.5°F
	3% above US avg
January Average	40°F (4°C)
July Average	72°F (22°C)
Sunny Days	257 days/yr

Geography

Elevation	686 ft (209 m)
Area	1.9 sq mi (4.8 km²)
Population Density	3,139/sq mi
Coordinates	45.9813°N, 4.7614°W
Timezone	Europe/Paris

Precipitation & Snow

Annual Rainfall 42.6"

12% above US avg

Snowfall 2.7"

Wettest Month (Sep) 3.39"

Driest Month (Feb) 2.05"

Air Quality

Earthquake History

335 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.5. Most recent: M3.3 on May 6, 2025.

Mar 12, 2022	3 km S of Faverges, France	M4.5	122 km
Dec 14, 1994	7 km SSE of Amancy, France	M4.5	123 km
Jul 15, 1996	3 km NE of Chilly, France	M4.5	94 km
Jul 23, 1996	4 km W of Choisy, France	M4.4	96 km
May 24, 1995	7 km NE of Le Chenit, Switzerland	M4.4	140 km
Jun 30, 2010	3 km NW of Saint-Martin-de-Belleville, France	M4.3	147 km
Jan 11, 1999	2 km W of Saint-Paul-de-Varces, France	M4.2	121 km
May 30, 2001	6 km N of Beaufort, France	M4.1	143 km
Jan 11, 2006	1 km S of Saint-Rambert-en-Bugey, France	M4.1	53 km
Sep 13, 1999	1 km NE of Biol, France	M4.0	73 km
Dec 28, 1992	3 km NE of Villebois, France	M3.8	56 km
Sep 4, 1995	5 km SE of Gruffy, France	M3.8	108 km
Jan 28, 2004	2 km ESE of Châbons, France	M3.8	81 km
Feb 3, 1994	6 km WSW of Yenne, France	M3.8	78 km
Sep 4, 1995	5 km SE of Gruffy, France	M3.8	108 km
Feb 28, 2004	1 km E of Biol, France	M3.7	74 km
Aug 6, 1995	7 km SSW of Vallorbe, Switzerland	M3.7	142 km
Jul 20, 1996	1 km NNE of La Balme-de-Sillingy, France	M3.7	100 km
Aug 23, 2003	1 km NNW of Saint-Georges-de-Mons, France	M3.7	149 km
Feb 1, 2008	8 km ENE of Saint-Gervais-d'Auvergne, France	M3.6	142 km

Source: USGS (M2.5+, 1990–2025)

Nearby Volcanoes

1 volcano within 200 km. Closest: Chaine des Puys (141 km).

Name	Type	Elevation	Last Eruption	Distance
Chaine des Puys	Lava dome(s)	1,464 m (4,803 ft)	-4040	141 km

Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	40°F (4°C)	2.2 in
February	40°F (4°C)	2.1 in	Driest
March	46°F (8°C)	2.1 in
April	50°F (10°C)	2.7 in
May	58°F (15°C)	3.3 in
June	64°F (18°C)	3.2 in
July	72°F (22°C)	2.4 in	Warmest
August	68°F (20°C)	2.7 in
September	62°F (16°C)	3.4 in	Wettest
October	53°F (12°C)	3.4 in
November	44°F (7°C)	2.8 in
December	39°F (4°C)	2.3 in	Coldest

Jassans-Riottier has a seasonal temperature swing of 33°F / from 39°F in December to 72°F in July. Total annual precipitation is 32.4 inches, with September being the wettest month (3.4") and February the driest (2.1").

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