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Weather & Climate in Guillestre, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Guillestre has a cool climate with an average annual temperature of 42°F (6°C). Winters average 28°F in January while summers reach 59°F in July. The area gets 257 sunny days per year, above the national average. Annual precipitation totals 43.5 inches. The area receives 19.9 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 3,281 feet.
Temperature
28°F Jan (-2°C)
59°F Jul (15°C)
| Annual Average | 42.1°F |
| 22% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 59°F (15°C) |
| Sunny Days | 257 days/yr |
Geography
| Elevation | 3,281 ft (1,000 m) |
| Area | 19.8 sq mi (51.3 km²) |
| Population Density | 122/sq mi |
| Coordinates | 44.6595°N, 6.6495°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
2,079 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.9.
| Aug 21, 2000 | 1 km WNW of Oviglio, Italy | M4.9 | 146 km | 10 km |
| Oct 31, 1997 | 12 km SE of Seyne-les-Alpes, France | M4.8 | 45 km | 10 km |
| Apr 7, 2014 | 7 km SE of Guillestre, France | M4.8 | 8 km | 8 km |
| Jul 18, 2001 | 3 km S of Masio, Italy | M4.7 | 140 km | 0 km |
| Feb 25, 2001 | 28 km SSE of Saint-Jean-Cap-Ferrat, France | M4.6 | 149 km | 9 km |
| Jan 20, 1994 | 1 km NE of Melle, Italy | M4.6 | 55 km | 10 km |
| Feb 11, 1991 | 5 km ESE of Briançon, France | M4.6 | 24 km | 14 km |
| Oct 3, 2012 | 2 km N of Melle, Italy | M4.5 | 53 km | 10 km |
| Apr 19, 2009 | 1 km ENE of Bandito, Italy | M4.5 | 95 km | 40 km |
| Mar 12, 2022 | 3 km S of Faverges, France | M4.5 | 121 km | 3 km |
| Mar 2, 2012 | 8 km NNW of Jausiers, France | M4.5 | 20 km | 10 km |
| Jul 17, 1993 | 0 km NNW of Calice Ligure, Italy | M4.5 | 140 km | 5 km |
| Nov 21, 1995 | 1 km SW of Collegno, Italy | M4.4 | 84 km | 22 km |
| Jul 17, 1993 | 0 km NNE of Calice Ligure, Italy | M4.4 | 140 km | 5 km |
| Apr 21, 1995 | 4 km ESE of Menton, France | M4.4 | 123 km | 26 km |
| Jul 25, 2011 | 5 km NW of Cantalupa, Italy | M4.4 | 62 km | 25 km |
| Jan 20, 1994 | 1 km SW of Melle, Italy | M4.3 | 54 km | 10 km |
| Feb 11, 1990 | northern Italy | M4.3 | 85 km | 10 km |
| Jun 30, 2010 | 3 km NW of Saint-Martin-de-Belleville, France | M4.3 | 85 km | 2 km |
| Feb 26, 2012 | 13 km ESE of Embrun, France | M4.2 | 14 km | 2 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 10.0 m (33 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1979 | FRENCH RIVIERA (LIGURIAN SEA) | Meteorological | 10.0 m | 9 | 117 km |
| 1968 | LIGURIA-COTE D'AZUR | Earthquake | 3.0 m | — | 125 km |
| 1564 | LIGURIA-COTE D'AZUR | Eruption + Earthquake | — | 650 | 87 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 4.1 in | Coldest |
| February | 29°F (-2°C) | 3.4 in | |
| March | 33°F (1°C) | 3.4 in | |
| April | 37°F (3°C) | 3.7 in | |
| May | 46°F (8°C) | 3.7 in | |
| June | 52°F (11°C) | 3.1 in | |
| July | 59°F (15°C) | 2.1 in | Driest |
| August | 59°F (15°C) | 2.7 in | Warmest |
| September | 52°F (11°C) | 3.5 in | |
| October | 44°F (7°C) | 4.8 in | Wettest |
| November | 35°F (2°C) | 4.7 in | |
| December | 30°F (-1°C) | 4.3 in |
Guillestre has a seasonal temperature swing of 31°F / from 28°F in January to 59°F in August. Total annual precipitation is 43.5 inches, with October being the wettest month (4.8") and July the driest (2.1").