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Weather & Climate in Voiron, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Voiron experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 38°F in January while summers reach 71°F in July. The area gets 269 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 45.4 inches. The area receives 7.8 inches of snow annually. The city sits at an elevation of 988 feet.
Temperature
38°F Jan (3°C)
71°F Jul (22°C)
| Annual Average | 54.1°F |
| 0% below US avg | |
| January Average | 38°F (3°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 269 days/yr |
Geography
| Elevation | 988 ft (301 m) |
| Area | 8.5 sq mi (21.9 km²) |
| Population Density | 2,614/sq mi |
| Coordinates | 45.3647°N, 5.5856°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
1,100 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Oct 31, 1997 | 12 km SE of Seyne-les-Alpes, France | M4.8 | 140 km | 10 km |
| Apr 7, 2014 | 7 km SE of Guillestre, France | M4.8 | 122 km | 8 km |
| Feb 11, 1991 | 5 km ESE of Briançon, France | M4.6 | 104 km | 14 km |
| Dec 14, 1994 | 7 km SSE of Amancy, France | M4.5 | 94 km | 10 km |
| Mar 12, 2022 | 3 km S of Faverges, France | M4.5 | 67 km | 3 km |
| Jul 15, 1996 | 3 km NE of Chilly, France | M4.5 | 78 km | 5 km |
| Mar 2, 2012 | 8 km NNW of Jausiers, France | M4.5 | 131 km | 10 km |
| Jul 23, 1996 | 4 km W of Choisy, France | M4.4 | 78 km | 10 km |
| Jul 25, 2011 | 5 km NW of Cantalupa, Italy | M4.4 | 140 km | 25 km |
| Jun 30, 2010 | 3 km NW of Saint-Martin-de-Belleville, France | M4.3 | 70 km | 2 km |
| Jul 30, 2016 | 0 km SSW of Fleccia-Chianavasso, Italy | M4.2 | 136 km | 11 km |
| Jan 11, 1999 | 2 km W of Saint-Paul-de-Varces, France | M4.2 | 32 km | 10 km |
| Feb 26, 2012 | 13 km ESE of Embrun, France | M4.2 | 125 km | 2 km |
| May 14, 2004 | 0 km SSE of Chiusa di San Michele, Italy | M4.2 | 140 km | 10 km |
| Jan 7, 2013 | 7 km SE of Saint-Martin-de-Queyrières, France | M4.1 | 106 km | 7 km |
| Feb 27, 2012 | 8 km NNW of Jausiers, France | M4.1 | 130 km | 0 km |
| May 16, 2023 | 16 km W of Pleyne, Italy | M4.1 | 132 km | 8 km |
| Jul 14, 2014 | 8 km NNW of Jausiers, France | M4.1 | 131 km | 2 km |
| May 30, 2001 | 6 km N of Beaufort, France | M4.1 | 90 km | 2 km |
| Jan 11, 2006 | 1 km S of Saint-Rambert-en-Bugey, France | M4.1 | 64 km | 5 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.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (3°C) | 3.1 in | |
| February | 37°F (3°C) | 3.1 in | |
| March | 43°F (6°C) | 3.4 in | |
| April | 48°F (9°C) | 3.5 in | |
| May | 56°F (14°C) | 4.1 in | |
| June | 62°F (17°C) | 3.8 in | |
| July | 71°F (22°C) | 2.8 in | Warmest, Driest |
| August | 67°F (19°C) | 3.0 in | |
| September | 60°F (15°C) | 4.4 in | Wettest |
| October | 52°F (11°C) | 4.4 in | |
| November | 42°F (5°C) | 4.1 in | |
| December | 37°F (3°C) | 3.4 in | Coldest |
Voiron has a seasonal temperature swing of 34°F / from 37°F in December to 71°F in July. Total annual precipitation is 42.9 inches, with September being the wettest month (4.4") and July the driest (2.8").