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Weather & Climate in Isola, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Isola has a cool climate with an average annual temperature of 40°F (4°C). Winters average 27°F in January while summers reach 56°F in July. The area gets 262 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 40.9 inches. The area receives 22.6 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 2,858 feet.
Temperature
27°F Jan (-3°C)
56°F Jul (14°C)
| Annual Average | 40.0°F |
| 26% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 56°F (14°C) |
| Sunny Days | 262 days/yr |
Geography
| Elevation | 2,858 ft (871 m) |
| Area | 67.1 sq mi (173.8 km²) |
| Population Density | 9/sq mi |
| Coordinates | 44.1857°N, 7.0529°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
2,122 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 | 136 km | 10 km |
| Apr 7, 2014 | 7 km SE of Guillestre, France | M4.8 | 54 km | 8 km |
| Oct 31, 1997 | 12 km SE of Seyne-les-Alpes, France | M4.8 | 47 km | 10 km |
| Jul 18, 2001 | 3 km S of Masio, Italy | M4.7 | 129 km | 0 km |
| Feb 11, 1991 | 5 km ESE of Briançon, France | M4.6 | 81 km | 14 km |
| Jan 20, 1994 | 1 km NE of Melle, Italy | M4.6 | 48 km | 10 km |
| Mar 14, 2001 | 34 km SSE of San Lorenzo al Mare, Italy | M4.6 | 110 km | 19 km |
| Feb 25, 2001 | 28 km SSE of Saint-Jean-Cap-Ferrat, France | M4.6 | 88 km | 9 km |
| Mar 2, 2012 | 8 km NNW of Jausiers, France | M4.5 | 44 km | 10 km |
| Apr 19, 2009 | 1 km ENE of Bandito, Italy | M4.5 | 87 km | 40 km |
| Oct 3, 2012 | 2 km N of Melle, Italy | M4.5 | 49 km | 10 km |
| Jul 17, 1993 | 0 km NNW of Calice Ligure, Italy | M4.5 | 99 km | 5 km |
| Feb 24, 1997 | 36 km SE of Cervo, Italy | M4.5 | 123 km | 20 km |
| Nov 21, 1995 | 1 km SW of Collegno, Italy | M4.4 | 106 km | 22 km |
| Apr 21, 1995 | 4 km ESE of Menton, France | M4.4 | 62 km | 26 km |
| Jul 17, 1993 | 0 km NNE of Calice Ligure, Italy | M4.4 | 100 km | 5 km |
| Jul 25, 2011 | 5 km NW of Cantalupa, Italy | M4.4 | 90 km | 25 km |
| Feb 11, 1990 | northern Italy | M4.3 | 102 km | 10 km |
| Jan 20, 1994 | 1 km SW of Melle, Italy | M4.3 | 46 km | 10 km |
| Jun 30, 2010 | 3 km NW of Saint-Martin-de-Belleville, France | M4.3 | 144 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 | 56 km |
| 1968 | LIGURIA-COTE D'AZUR | Earthquake | 3.0 m | — | 77 km |
| 1564 | LIGURIA-COTE D'AZUR | Eruption + Earthquake | — | 650 | 26 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 3.9 in | Coldest |
| February | 27°F (-3°C) | 3.2 in | |
| March | 31°F (-1°C) | 3.4 in | |
| April | 34°F (1°C) | 3.9 in | |
| May | 43°F (6°C) | 3.8 in | |
| June | 50°F (10°C) | 2.7 in | |
| July | 56°F (14°C) | 1.6 in | Driest |
| August | 57°F (14°C) | 2.4 in | Warmest |
| September | 50°F (10°C) | 3.2 in | |
| October | 42°F (6°C) | 4.7 in | Wettest |
| November | 34°F (1°C) | 4.4 in | |
| December | 29°F (-2°C) | 3.9 in |
Isola has a seasonal temperature swing of 30°F / from 27°F in January to 57°F in August. Total annual precipitation is 41.0 inches, with October being the wettest month (4.7") and July the driest (1.6").