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Weather & Climate in L'Ariane, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
L'Ariane enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 54°F in January while summers reach 77°F in July. The area gets 334 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 19.5 inches (drier than the 38-inch national average). The city sits at an elevation of 262 feet.
Temperature
54°F Jan (12°C)
77°F Jul (25°C)
| Annual Average | 63.9°F |
| 18% above US avg | |
| January Average | 54°F (12°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 334 days/yr |
Geography
| Elevation | 262 ft (80 m) |
| Area | 36.8 sq mi (95.4 km²) |
| Population Density | 399/sq mi |
| Coordinates | 43.7473°N, 7.3002°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
1,910 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 | 106 km | 8 km |
| Oct 31, 1997 | 12 km SE of Seyne-les-Alpes, France | M4.8 | 89 km | 10 km |
| Jul 18, 2001 | 3 km S of Masio, Italy | M4.7 | 150 km | 0 km |
| Feb 11, 1991 | 5 km ESE of Briançon, France | M4.6 | 134 km | 14 km |
| Jan 20, 1994 | 1 km NE of Melle, Italy | M4.6 | 92 km | 10 km |
| Feb 25, 2001 | 28 km SSE of Saint-Jean-Cap-Ferrat, France | M4.6 | 35 km | 9 km |
| Mar 14, 2001 | 34 km SSE of San Lorenzo al Mare, Italy | M4.6 | 69 km | 19 km |
| Mar 2, 2012 | 8 km NNW of Jausiers, France | M4.5 | 95 km | 10 km |
| Apr 19, 2009 | 1 km ENE of Bandito, Italy | M4.5 | 117 km | 40 km |
| Oct 3, 2012 | 2 km N of Melle, Italy | M4.5 | 93 km | 10 km |
| Jul 17, 1993 | 0 km NNW of Calice Ligure, Italy | M4.5 | 95 km | 5 km |
| Feb 24, 1997 | 36 km SE of Cervo, Italy | M4.5 | 91 km | 20 km |
| Apr 21, 1995 | 4 km ESE of Menton, France | M4.4 | 21 km | 26 km |
| Nov 21, 1995 | 1 km SW of Collegno, Italy | M4.4 | 148 km | 22 km |
| Jul 17, 1993 | 0 km NNE of Calice Ligure, Italy | M4.4 | 95 km | 5 km |
| Jul 25, 2011 | 5 km NW of Cantalupa, Italy | M4.4 | 137 km | 25 km |
| Jan 20, 1994 | 1 km SW of Melle, Italy | M4.3 | 90 km | 10 km |
| Feb 11, 1990 | northern Italy | M4.3 | 142 km | 10 km |
| Feb 26, 2012 | 13 km ESE of Embrun, France | M4.2 | 102 km | 2 km |
| Jul 30, 2016 | 0 km SSW of Fleccia-Chianavasso, Italy | M4.2 | 133 km | 11 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 | 7 km |
| 1968 | LIGURIA-COTE D'AZUR | Earthquake | 3.0 m | — | 67 km |
| 1564 | LIGURIA-COTE D'AZUR | Eruption + Earthquake | — | 650 | 30 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 54°F (12°C) | 3.3 in | |
| February | 46°F (8°C) | 2.4 in | Coldest |
| March | 50°F (10°C) | 2.4 in | |
| April | 54°F (12°C) | 2.7 in | |
| May | 61°F (16°C) | 2.2 in | |
| June | 67°F (19°C) | 1.7 in | |
| July | 77°F (25°C) | 0.7 in | Warmest, Driest |
| August | 73°F (23°C) | 1.3 in | |
| September | 67°F (19°C) | 3.0 in | |
| October | 59°F (15°C) | 5.2 in | Wettest |
| November | 51°F (11°C) | 3.8 in | |
| December | 46°F (8°C) | 3.3 in |
L'Ariane has a seasonal temperature swing of 31°F / from 46°F in February to 77°F in July. Total annual precipitation is 31.8 inches, with October being the wettest month (5.2") and July the driest (0.7").