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Weather & Climate in Grésy-sur-Isère, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Grésy-sur-Isère experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 35°F in January while summers reach 71°F in July. The area gets 275 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 88.8 inches (wetter than the 38-inch national average). The area receives 224.7 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 1,109 feet.
Temperature
35°F Jan (1°C)
71°F Jul (22°C)
| Annual Average | 53.5°F |
| 1% below US avg | |
| January Average | 35°F (1°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 1,109 ft (338 m) |
| Area | 8.6 sq mi (22.3 km²) |
| Population Density | 131/sq mi |
| Coordinates | 45.5990°N, 6.2536°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
1,523 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Apr 7, 2014 | 7 km SE of Guillestre, France | M4.8 | 116 km | 8 km |
| Oct 31, 1997 | 12 km SE of Seyne-les-Alpes, France | M4.8 | 148 km | 10 km |
| Feb 11, 1991 | 5 km ESE of Briançon, France | M4.6 | 88 km | 14 km |
| Jan 20, 1994 | 1 km NE of Melle, Italy | M4.6 | 142 km | 10 km |
| Oct 3, 2012 | 2 km N of Melle, Italy | M4.5 | 140 km | 10 km |
| Mar 12, 2022 | 3 km S of Faverges, France | M4.5 | 13 km | 3 km |
| Jul 15, 1996 | 3 km NE of Chilly, France | M4.5 | 51 km | 5 km |
| Mar 2, 2012 | 8 km NNW of Jausiers, France | M4.5 | 128 km | 10 km |
| Dec 14, 1994 | 7 km SSE of Amancy, France | M4.5 | 47 km | 10 km |
| Jul 23, 1996 | 4 km W of Choisy, France | M4.4 | 48 km | 10 km |
| Jul 25, 2011 | 5 km NW of Cantalupa, Italy | M4.4 | 106 km | 25 km |
| Nov 21, 1995 | 1 km SW of Collegno, Italy | M4.4 | 117 km | 22 km |
| May 24, 1995 | 7 km NE of Le Chenit, Switzerland | M4.4 | 117 km | 6 km |
| Apr 29, 2003 | 2 km SSW of Varen, Switzerland | M4.3 | 130 km | 8 km |
| Feb 11, 1990 | northern Italy | M4.3 | 125 km | 10 km |
| Jan 20, 1994 | 1 km SW of Melle, Italy | M4.3 | 143 km | 10 km |
| Jun 30, 2010 | 3 km NW of Saint-Martin-de-Belleville, France | M4.3 | 27 km | 2 km |
| Mar 31, 1996 | 7 km NNW of Bionaz, Italy | M4.3 | 96 km | 5 km |
| Aug 22, 2003 | 6 km NNW of Savièse, Switzerland | M4.2 | 112 km | 4 km |
| May 14, 2004 | 0 km SSE of Chiusa di San Michele, Italy | M4.2 | 101 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 | — | — | 95 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (1°C) | 3.7 in | Coldest |
| February | 35°F (2°C) | 3.7 in | |
| March | 41°F (5°C) | 3.3 in | |
| April | 46°F (8°C) | 3.1 in | |
| May | 55°F (13°C) | 3.6 in | |
| June | 60°F (16°C) | 3.8 in | |
| July | 71°F (22°C) | 2.9 in | Warmest, Driest |
| August | 64°F (18°C) | 3.0 in | |
| September | 58°F (14°C) | 3.7 in | |
| October | 50°F (10°C) | 4.1 in | |
| November | 40°F (4°C) | 4.3 in | Wettest |
| December | 35°F (1°C) | 4.1 in |
Grésy-sur-Isère has a seasonal temperature swing of 36°F / from 35°F in January to 71°F in July. Total annual precipitation is 43.2 inches, with November being the wettest month (4.3") and July the driest (2.9").