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Weather & Climate in Chasselay, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Chasselay 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 774 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 | 774 ft (236 m) |
| Area | 3.2 sq mi (8.4 km²) |
| Population Density | 848/sq mi |
| Coordinates | 45.8744°N, 4.7724°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
348 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 | 123 km | 10 km |
| Mar 12, 2022 | 3 km S of Faverges, France | M4.5 | 119 km | 3 km |
| Jul 15, 1996 | 3 km NE of Chilly, France | M4.5 | 94 km | 5 km |
| May 24, 1995 | 7 km NE of Le Chenit, Switzerland | M4.4 | 146 km | 6 km |
| Jul 23, 1996 | 4 km W of Choisy, France | M4.4 | 96 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 | 110 km | 10 km |
| May 30, 2001 | 6 km N of Beaufort, France | M4.1 | 141 km | 2 km |
| Jan 11, 2006 | 1 km S of Saint-Rambert-en-Bugey, France | M4.1 | 52 km | 5 km |
| Sep 13, 1999 | 1 km NE of Biol, France | M4.0 | 64 km | 2 km |
| Sep 4, 1995 | 5 km SE of Gruffy, France | M3.8 | 105 km | 9 km |
| Sep 4, 1995 | 5 km SE of Gruffy, France | M3.8 | 105 km | 11 km |
| Dec 28, 1992 | 3 km NE of Villebois, France | M3.8 | 53 km | 12 km |
| Feb 3, 1994 | 6 km WSW of Yenne, France | M3.8 | 73 km | 22 km |
| Jan 28, 2004 | 2 km ESE of Châbons, France | M3.8 | 72 km | 3 km |
| Jul 20, 1996 | 1 km NNE of La Balme-de-Sillingy, France | M3.7 | 100 km | 10 km |
| Feb 28, 2004 | 1 km E of Biol, France | M3.7 | 65 km | 10 km |
| Aug 6, 1995 | 7 km SSW of Vallorbe, Switzerland | M3.7 | 148 km | 10 km |
| Aug 6, 1997 | 5 km NNE of Bletterans, France | M3.6 | 116 km | 10 km |
| Aug 28, 1999 | 4 km NNE of Saint-Michel-de-Maurienne, France | M3.6 | 150 km | 2 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
1 volcano within 200 km. Closest: Chaine des Puys (140 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Chaine des Puys | Lava dome(s) | 1,464 m (4,803 ft) | -4040 | 140 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
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 |
Chasselay 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").