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Weather & Climate in Romanèche-Thorins, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Romanèche-Thorins 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 620 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 | 620 ft (189 m) |
| Area | 4.8 sq mi (12.4 km²) |
| Population Density | 363/sq mi |
| Coordinates | 46.1840°N, 4.7424°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
303 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 | 97 km | 5 km |
| Mar 12, 2022 | 3 km S of Faverges, France | M4.5 | 130 km | 3 km |
| Dec 14, 1994 | 7 km SSE of Amancy, France | M4.5 | 126 km | 10 km |
| May 24, 1995 | 7 km NE of Le Chenit, Switzerland | M4.4 | 131 km | 6 km |
| Jul 23, 1996 | 4 km W of Choisy, France | M4.4 | 100 km | 10 km |
| Jan 11, 1999 | 2 km W of Saint-Paul-de-Varces, France | M4.2 | 141 km | 10 km |
| Jan 11, 2006 | 1 km S of Saint-Rambert-en-Bugey, France | M4.1 | 61 km | 5 km |
| May 30, 2001 | 6 km N of Beaufort, France | M4.1 | 149 km | 2 km |
| Sep 13, 1999 | 1 km NE of Biol, France | M4.0 | 92 km | 2 km |
| Feb 14, 1990 | 4 km SE of Saint-Paul-en-Chablais, France | M4.0 | 149 km | 10 km |
| Feb 24, 2003 | 9 km NNE of Levier, France | M3.9 | 144 km | 2 km |
| Sep 4, 1995 | 5 km SE of Gruffy, France | M3.8 | 116 km | 11 km |
| Jan 28, 2004 | 2 km ESE of Châbons, France | M3.8 | 100 km | 3 km |
| Sep 4, 1995 | 5 km SE of Gruffy, France | M3.8 | 116 km | 9 km |
| Dec 28, 1992 | 3 km NE of Villebois, France | M3.8 | 65 km | 12 km |
| Feb 3, 1994 | 6 km WSW of Yenne, France | M3.8 | 91 km | 22 km |
| Aug 23, 2003 | 1 km NNW of Saint-Georges-de-Mons, France | M3.7 | 150 km | 10 km |
| Jul 20, 1996 | 1 km NNE of La Balme-de-Sillingy, France | M3.7 | 103 km | 10 km |
| Aug 6, 1995 | 7 km SSW of Vallorbe, Switzerland | M3.7 | 133 km | 10 km |
| Feb 28, 2004 | 1 km E of Biol, France | M3.7 | 93 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
1 volcano within 200 km. Closest: Chaine des Puys (144 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Chaine des Puys | Lava dome(s) | 1,464 m (4,803 ft) | -4040 | 144 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 2.4 in | |
| February | 39°F (4°C) | 2.3 in | |
| March | 45°F (7°C) | 2.1 in | Driest |
| April | 50°F (10°C) | 2.6 in | |
| May | 58°F (14°C) | 3.2 in | |
| June | 63°F (17°C) | 3.2 in | |
| July | 71°F (22°C) | 2.5 in | Warmest |
| August | 68°F (20°C) | 2.6 in | |
| September | 61°F (16°C) | 3.4 in | Wettest |
| October | 53°F (11°C) | 3.2 in | |
| November | 43°F (6°C) | 3.0 in | |
| December | 38°F (3°C) | 2.6 in | Coldest |
Romanèche-Thorins has a seasonal temperature swing of 33°F / from 38°F in December to 71°F in July. Total annual precipitation is 33.1 inches, with September being the wettest month (3.4") and March the driest (2.1").