All Countries
Weather & Climate in Saint-Fons, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Saint-Fons enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 40°F in January while summers reach 73°F in July. The area gets 261 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 35.0 inches. The area receives 5.1 inches of snow annually. The city sits at an elevation of 574 feet.
Temperature
40°F Jan (4°C)
73°F Jul (23°C)
| Annual Average | 55.9°F |
| 4% above US avg | |
| January Average | 40°F (4°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 261 days/yr |
Geography
| Elevation | 574 ft (175 m) |
| Area | 2.3 sq mi (6.1 km²) |
| Population Density | 6,860/sq mi |
| Coordinates | 45.7088°N, 4.8533°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
377 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 | 93 km | 5 km |
| Mar 12, 2022 | 3 km S of Faverges, France | M4.5 | 111 km | 3 km |
| Dec 14, 1994 | 7 km SSE of Amancy, France | M4.5 | 121 km | 10 km |
| Jul 23, 1996 | 4 km W of Choisy, France | M4.4 | 95 km | 10 km |
| Jun 30, 2010 | 3 km NW of Saint-Martin-de-Belleville, France | M4.3 | 131 km | 2 km |
| Jan 11, 1999 | 2 km W of Saint-Paul-de-Varces, France | M4.2 | 92 km | 10 km |
| Jan 11, 2006 | 1 km S of Saint-Rambert-en-Bugey, France | M4.1 | 52 km | 5 km |
| May 30, 2001 | 6 km N of Beaufort, France | M4.1 | 134 km | 2 km |
| May 25, 2003 | 4 km ESE of Valloire, France | M4.0 | 141 km | 6 km |
| Sep 13, 1999 | 1 km NE of Biol, France | M4.0 | 49 km | 2 km |
| May 15, 1997 | 4 km WNW of Modane, France | M3.9 | 148 km | 5 km |
| Apr 10, 2005 | 5 km ESE of Saint-Martin-de-Belleville, France | M3.8 | 139 km | 3 km |
| Jan 28, 2004 | 2 km ESE of Châbons, France | M3.8 | 56 km | 3 km |
| Sep 4, 1995 | 5 km SE of Gruffy, France | M3.8 | 98 km | 11 km |
| Sep 4, 1995 | 5 km SE of Gruffy, France | M3.8 | 98 km | 9 km |
| Feb 3, 1994 | 6 km WSW of Yenne, France | M3.8 | 64 km | 22 km |
| Dec 28, 1992 | 3 km NE of Villebois, France | M3.8 | 51 km | 12 km |
| Feb 28, 2004 | 1 km E of Biol, France | M3.7 | 49 km | 10 km |
| Feb 2, 2002 | 9 km SE of Valloire, France | M3.7 | 146 km | 1 km |
| Jul 20, 1996 | 1 km NNE of La Balme-de-Sillingy, France | M3.7 | 98 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 (146 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Chaine des Puys | Lava dome(s) | 1,464 m (4,803 ft) | -4040 | 146 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 2.1 in | Coldest |
| February | 41°F (5°C) | 2.1 in | Driest |
| March | 46°F (8°C) | 2.2 in | |
| April | 51°F (11°C) | 2.9 in | |
| May | 59°F (15°C) | 3.4 in | |
| June | 65°F (18°C) | 3.1 in | |
| July | 73°F (23°C) | 2.4 in | Warmest |
| August | 70°F (21°C) | 2.7 in | |
| September | 63°F (17°C) | 3.4 in | |
| October | 54°F (12°C) | 3.7 in | Wettest |
| November | 45°F (7°C) | 3.0 in | |
| December | 40°F (4°C) | 2.2 in |
Saint-Fons has a seasonal temperature swing of 33°F / from 40°F in January to 73°F in July. Total annual precipitation is 33.2 inches, with October being the wettest month (3.7") and February the driest (2.1").