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Weather & Climate in Jarnioux, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Jarnioux experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 39°F in January while summers reach 71°F in July. The area gets 258 sunny days per year, above the national average. Annual precipitation totals 35.0 inches. The area receives 6.2 inches of snow annually. The city sits at an elevation of 991 feet.
Temperature
39°F Jan (4°C)
71°F Jul (22°C)
| Annual Average | 55.1°F |
| 2% above US avg | |
| January Average | 39°F (4°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 258 days/yr |
Geography
| Elevation | 991 ft (302 m) |
| Area | 4.6 sq mi (11.9 km²) |
| Population Density | 126/sq mi |
| Coordinates | 45.9647°N, 4.6274°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
355 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Jul 15, 1996 | 3 km NE of Chilly, France | M4.5 | 104 km | 5 km |
| Dec 14, 1994 | 7 km SSE of Amancy, France | M4.5 | 133 km | 10 km |
| Mar 12, 2022 | 3 km S of Faverges, France | M4.5 | 131 km | 3 km |
| Jul 23, 1996 | 4 km W of Choisy, France | M4.4 | 107 km | 10 km |
| Jan 11, 1999 | 2 km W of Saint-Paul-de-Varces, France | M4.2 | 125 km | 10 km |
| Jan 11, 2006 | 1 km S of Saint-Rambert-en-Bugey, France | M4.1 | 63 km | 5 km |
| Sep 13, 1999 | 1 km NE of Biol, France | M4.0 | 79 km | 2 km |
| Feb 3, 1994 | 6 km WSW of Yenne, France | M3.8 | 87 km | 22 km |
| Aug 19, 2003 | 5 km NNW of Saint-Georges-de-Mons, France | M3.8 | 141 km | 5 km |
| Sep 4, 1995 | 5 km SE of Gruffy, France | M3.8 | 117 km | 11 km |
| Sep 4, 1995 | 5 km SE of Gruffy, France | M3.8 | 118 km | 9 km |
| Jan 28, 2004 | 2 km ESE of Châbons, France | M3.8 | 87 km | 3 km |
| Dec 28, 1992 | 3 km NE of Villebois, France | M3.8 | 65 km | 12 km |
| Jul 20, 1996 | 1 km NNE of La Balme-de-Sillingy, France | M3.7 | 110 km | 10 km |
| Feb 28, 2004 | 1 km E of Biol, France | M3.7 | 80 km | 10 km |
| Aug 23, 2003 | 1 km NNW of Saint-Georges-de-Mons, France | M3.7 | 139 km | 10 km |
| Aug 6, 1997 | 5 km NNE of Bletterans, France | M3.6 | 113 km | 10 km |
| Feb 1, 2008 | 8 km ENE of Saint-Gervais-d'Auvergne, France | M3.6 | 132 km | 3 km |
| Jul 25, 2002 | 7 km NW of Beaujeu, France | M3.5 | 28 km | 10 km |
| Sep 8, 1995 | 1 km NW of Crolles, France | M3.5 | 122 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
1 volcano within 200 km. Closest: Chaine des Puys (130 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Chaine des Puys | Lava dome(s) | 1,464 m (4,803 ft) | -4040 | 130 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 2.2 in | |
| February | 39°F (4°C) | 2.0 in | Driest |
| March | 45°F (7°C) | 2.1 in | |
| April | 49°F (9°C) | 2.6 in | |
| May | 57°F (14°C) | 3.2 in | |
| June | 63°F (17°C) | 3.3 in | |
| July | 71°F (22°C) | 2.6 in | Warmest |
| August | 67°F (20°C) | 2.9 in | |
| September | 61°F (16°C) | 3.4 in | Wettest |
| October | 52°F (11°C) | 3.1 in | |
| November | 43°F (6°C) | 2.8 in | |
| December | 38°F (4°C) | 2.3 in | Coldest |
Jarnioux has a seasonal temperature swing of 33°F / from 38°F in December to 71°F in July. Total annual precipitation is 32.5 inches, with September being the wettest month (3.4") and February the driest (2.0").