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Weather & Climate in Châtillon-sur-Chalaronne, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Châtillon-sur-Chalaronne 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, above the national average. Annual precipitation totals 42.6 inches. The area receives 2.7 inches of snow annually. The city sits at an elevation of 745 feet.
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 | 745 ft (227 m) |
| Area | 6.9 sq mi (18.0 km²) |
| Population Density | 672/sq mi |
| Coordinates | 46.1183°N, 4.9566°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
332 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Dec 14, 1994 | 7 km SSE of Amancy, France | M4.5 | 108 km | 10 km |
| Jul 15, 1996 | 3 km NE of Chilly, France | M4.5 | 80 km | 5 km |
| Mar 12, 2022 | 3 km S of Faverges, France | M4.5 | 112 km | 3 km |
| May 24, 1995 | 7 km NE of Le Chenit, Switzerland | M4.4 | 120 km | 6 km |
| Jul 23, 1996 | 4 km W of Choisy, France | M4.4 | 82 km | 10 km |
| Jun 30, 2010 | 3 km NW of Saint-Martin-de-Belleville, France | M4.3 | 142 km | 2 km |
| Jan 11, 1999 | 2 km W of Saint-Paul-de-Varces, France | M4.2 | 127 km | 10 km |
| Jan 11, 2006 | 1 km S of Saint-Rambert-en-Bugey, France | M4.1 | 43 km | 5 km |
| May 30, 2001 | 6 km N of Beaufort, France | M4.1 | 131 km | 2 km |
| Feb 14, 1990 | 4 km SE of Saint-Paul-en-Chablais, France | M4.0 | 134 km | 10 km |
| Sep 13, 1999 | 1 km NE of Biol, France | M4.0 | 77 km | 2 km |
| Feb 24, 2003 | 9 km NNE of Levier, France | M3.9 | 138 km | 2 km |
| Jan 28, 2004 | 2 km ESE of Châbons, France | M3.8 | 85 km | 3 km |
| Feb 3, 1994 | 6 km WSW of Yenne, France | M3.8 | 73 km | 22 km |
| Sep 4, 1995 | 5 km SE of Gruffy, France | M3.8 | 98 km | 11 km |
| Oct 1, 2016 | 12 km ESE of Samoëns, France | M3.8 | 148 km | 2 km |
| Dec 29, 1999 | 8 km SSE of Champéry, Switzerland | M3.8 | 150 km | 2 km |
| Dec 28, 1992 | 3 km NE of Villebois, France | M3.8 | 48 km | 12 km |
| Sep 4, 1995 | 5 km SE of Gruffy, France | M3.8 | 98 km | 9 km |
| Aug 6, 1995 | 7 km SSW of Vallorbe, Switzerland | M3.7 | 121 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 563 | LAKE GENEVA | Meteorological | — | — | 146 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Chaine des Puys (158 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Chaine des Puys | Lava dome(s) | 1,464 m (4,803 ft) | -4040 | 158 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 2.4 in | |
| February | 39°F (4°C) | 2.4 in | |
| March | 45°F (7°C) | 2.2 in | Driest |
| April | 50°F (10°C) | 2.8 in | |
| May | 58°F (14°C) | 3.5 in | |
| June | 63°F (17°C) | 3.2 in | |
| July | 72°F (22°C) | 2.5 in | Warmest |
| August | 68°F (20°C) | 2.6 in | |
| September | 61°F (16°C) | 3.5 in | Wettest |
| October | 53°F (12°C) | 3.5 in | |
| November | 43°F (6°C) | 3.1 in | |
| December | 38°F (3°C) | 2.6 in | Coldest |
Châtillon-sur-Chalaronne has a seasonal temperature swing of 34°F / from 38°F in December to 72°F in July. Total annual precipitation is 34.5 inches, with September being the wettest month (3.5") and March the driest (2.2").