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Weather & Climate in Cassis, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Cassis enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 46°F in January while summers reach 73°F in July. The area gets 290 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 25.5 inches (drier than the 38-inch national average). The city sits at an elevation of 56 feet.
Temperature
46°F Jan (8°C)
73°F Jul (23°C)
| Annual Average | 58.0°F |
| 7% above US avg | |
| January Average | 46°F (8°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 290 days/yr |
Geography
| Elevation | 56 ft (17 m) |
| Area | 10.4 sq mi (26.9 km²) |
| Population Density | 806/sq mi |
| Coordinates | 43.2157°N, 5.5386°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
450 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 | 140 km | 10 km |
| Sep 14, 2024 | 62 km SE of Ramatuelle, France | M4.1 | 143 km | 7 km |
| Oct 3, 1997 | 7 km S of Seyne-les-Alpes, France | M3.8 | 137 km | 5 km |
| Jan 1, 1993 | 7 km NE of Saintes-Maries-de-la-Mer, France | M3.6 | 89 km | 10 km |
| Oct 30, 1998 | 2 km ESE of Simiane-Collongue, France | M3.6 | 24 km | 1 km |
| Nov 24, 1994 | 9 km WNW of Castellane, France | M3.6 | 100 km | 5 km |
| Oct 31, 1997 | 14 km SE of Seyne-les-Alpes, France | M3.6 | 140 km | 10 km |
| Apr 18, 1996 | 12 km SW of Saint-Étienne-de-Tinée, France | M3.5 | 149 km | 10 km |
| Apr 19, 1990 | 14 km ESE of Seyne-les-Alpes, France | M3.4 | 143 km | 10 km |
| Jan 28, 1992 | 19 km SSW of Sausset-les-Pins, France | M3.4 | 40 km | 12 km |
| Aug 22, 2000 | 9 km WSW of Castellane, France | M3.4 | 96 km | 10 km |
| Sep 11, 1998 | 1 km NE of Plan-de-Cuques, France | M3.4 | 17 km | 1 km |
| Jan 14, 1998 | 1 km E of Simiane-Collongue, France | M3.3 | 25 km | 10 km |
| May 22, 1992 | 7 km SE of Saintes-Maries-de-la-Mer, France | M3.3 | 87 km | 10 km |
| Mar 5, 1997 | 2 km ESE of Simiane-Collongue, France | M3.3 | 23 km | 5 km |
| Jan 27, 2005 | 68 km SSW of Six-Fours-les-Plages, France | M3.3 | 79 km | 15 km |
| May 27, 1998 | 3 km S of Simiane-Collongue, France | M3.3 | 22 km | 1 km |
| Nov 9, 1990 | 12 km ESE of Riez, France | M3.3 | 82 km | 12 km |
| Jun 19, 1991 | 2 km NNE of Pourrières, France | M3.3 | 39 km | 10 km |
| Apr 19, 1992 | 17 km ENE of Sisteron, France | M3.2 | 127 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
2 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 | 148 km |
| 2004 | MARSEILLES | Meteorological | — | — | 17 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 46°F (8°C) | 2.8 in | Coldest |
| February | 47°F (8°C) | 2.1 in | |
| March | 50°F (10°C) | 1.9 in | |
| April | 54°F (12°C) | 2.4 in | |
| May | 61°F (16°C) | 1.8 in | |
| June | 68°F (20°C) | 1.2 in | |
| July | 73°F (23°C) | 0.4 in | Warmest, Driest |
| August | 73°F (23°C) | 1.4 in | |
| September | 67°F (19°C) | 2.5 in | |
| October | 60°F (15°C) | 3.9 in | Wettest |
| November | 51°F (11°C) | 2.6 in | |
| December | 47°F (8°C) | 2.5 in |
Cassis has a seasonal temperature swing of 28°F / from 46°F in January to 73°F in July. Total annual precipitation is 25.5 inches, with October being the wettest month (3.9") and July the driest (0.4").