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Weather & Climate in Sillans-la-Cascade, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sillans-la-Cascade enjoys a temperate climate with an average annual temperature of 60°F (15°C). Winters average 43°F in January while summers reach 80°F in July. The area gets 317 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 23.7 inches (drier than the 38-inch national average). The city sits at an elevation of 1,250 feet.
Temperature
43°F Jan (6°C)
80°F Jul (27°C)
| Annual Average | 59.8°F |
| 11% above US avg | |
| January Average | 43°F (6°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 317 days/yr |
Geography
| Elevation | 1,250 ft (381 m) |
| Area | 7.8 sq mi (20.2 km²) |
| Population Density | 66/sq mi |
| Coordinates | 43.5677°N, 6.1797°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
1,542 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 | 82 km | 10 km |
| Apr 7, 2014 | 7 km SE of Guillestre, France | M4.8 | 123 km | 8 km |
| Feb 25, 2001 | 28 km SSE of Saint-Jean-Cap-Ferrat, France | M4.6 | 105 km | 9 km |
| Jan 20, 1994 | 1 km NE of Melle, Italy | M4.6 | 145 km | 10 km |
| Oct 3, 2012 | 2 km N of Melle, Italy | M4.5 | 145 km | 10 km |
| Mar 2, 2012 | 8 km NNW of Jausiers, France | M4.5 | 111 km | 10 km |
| Apr 21, 1995 | 4 km ESE of Menton, France | M4.4 | 113 km | 26 km |
| Jan 20, 1994 | 1 km SW of Melle, Italy | M4.3 | 142 km | 10 km |
| Feb 26, 2012 | 13 km ESE of Embrun, France | M4.2 | 115 km | 2 km |
| Jan 7, 2013 | 7 km SE of Saint-Martin-de-Queyrières, France | M4.1 | 138 km | 7 km |
| Feb 27, 2012 | 8 km NNW of Jausiers, France | M4.1 | 110 km | 0 km |
| Jul 14, 2014 | 8 km NNW of Jausiers, France | M4.1 | 110 km | 2 km |
| Sep 14, 2024 | 62 km SE of Ramatuelle, France | M4.1 | 114 km | 7 km |
| Feb 18, 1996 | 13 km ESE of Saint-Martin-de-Queyrières, France | M4.1 | 142 km | 5 km |
| Apr 11, 1998 | 1 km SW of Oncino, Italy | M4.1 | 146 km | 13 km |
| May 16, 2023 | 16 km W of Pleyne, Italy | M4.1 | 121 km | 8 km |
| Sep 1, 2003 | 1 km ESE of Valdieri, Italy | M4.0 | 126 km | 2 km |
| Jun 22, 2014 | 7 km NNW of Jausiers, France | M4.0 | 109 km | 2 km |
| Apr 24, 1995 | 14 km SE of Saint-Jean-Cap-Ferrat, France | M4.0 | 103 km | 10 km |
| Mar 25, 2005 | 1 km W of Valmala, Italy | M3.9 | 142 km | 10 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 | 87 km |
| 2004 | MARSEILLES | Meteorological | — | — | 72 km |
| 1564 | LIGURIA-COTE D'AZUR | Eruption + Earthquake | — | 650 | 102 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 3.0 in | Coldest |
| February | 43°F (6°C) | 2.5 in | |
| March | 47°F (8°C) | 2.3 in | |
| April | 51°F (10°C) | 2.7 in | |
| May | 58°F (14°C) | 2.4 in | |
| June | 64°F (18°C) | 1.8 in | |
| July | 80°F (27°C) | 0.8 in | Warmest, Driest |
| August | 70°F (21°C) | 1.9 in | |
| September | 64°F (18°C) | 2.6 in | |
| October | 57°F (14°C) | 4.3 in | Wettest |
| November | 48°F (9°C) | 3.4 in | |
| December | 44°F (6°C) | 3.0 in |
Sillans-la-Cascade has a seasonal temperature swing of 37°F / from 43°F in January to 80°F in July. Total annual precipitation is 30.8 inches, with October being the wettest month (4.3") and July the driest (0.8").