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Weather & Climate in Istres, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Istres enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 44°F in January while summers reach 76°F in July. The area gets 287 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 26.8 inches (drier than the 38-inch national average). The city sits at an elevation of 46 feet.
Temperature
44°F Jan (7°C)
76°F Jul (24°C)
| Annual Average | 58.8°F |
| 9% above US avg | |
| January Average | 44°F (7°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 287 days/yr |
Geography
| Elevation | 46 ft (14 m) |
| Area | 43.9 sq mi (113.7 km²) |
| Population Density | 1,011/sq mi |
| Coordinates | 43.5135°N, 4.9875°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
429 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 | 146 km | 10 km |
| Aug 3, 2011 | 4 km ESE of Barjac, France | M4.3 | 99 km | 4 km |
| Oct 3, 1997 | 7 km S of Seyne-les-Alpes, France | M3.8 | 140 km | 5 km |
| Nov 24, 1994 | 9 km WNW of Castellane, France | M3.6 | 120 km | 5 km |
| Oct 30, 1998 | 2 km ESE of Simiane-Collongue, France | M3.6 | 40 km | 1 km |
| Oct 31, 1997 | 14 km SE of Seyne-les-Alpes, France | M3.6 | 147 km | 10 km |
| Jan 1, 1993 | 7 km NE of Saintes-Maries-de-la-Mer, France | M3.6 | 39 km | 10 km |
| Jan 28, 1992 | 19 km SSW of Sausset-les-Pins, France | M3.4 | 39 km | 12 km |
| Aug 22, 2000 | 9 km WSW of Castellane, France | M3.4 | 119 km | 10 km |
| Apr 19, 1990 | 14 km ESE of Seyne-les-Alpes, France | M3.4 | 150 km | 10 km |
| Sep 11, 1998 | 1 km NE of Plan-de-Cuques, France | M3.4 | 43 km | 1 km |
| Jun 19, 1991 | 2 km NNE of Pourrières, France | M3.3 | 61 km | 10 km |
| Nov 9, 1990 | 12 km ESE of Riez, France | M3.3 | 103 km | 12 km |
| Jan 27, 2005 | 68 km SSW of Six-Fours-les-Plages, France | M3.3 | 122 km | 15 km |
| Jan 14, 1998 | 1 km E of Simiane-Collongue, France | M3.3 | 39 km | 10 km |
| May 27, 1998 | 3 km S of Simiane-Collongue, France | M3.3 | 38 km | 1 km |
| Mar 5, 1997 | 2 km ESE of Simiane-Collongue, France | M3.3 | 40 km | 5 km |
| May 22, 1992 | 7 km SE of Saintes-Maries-de-la-Mer, France | M3.3 | 42 km | 10 km |
| May 6, 1998 | 6 km NNE of Volonne, France | M3.2 | 111 km | 10 km |
| Oct 22, 1994 | 14 km E of Gruissan, France | M3.2 | 147 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2004 | MARSEILLES | Meteorological | - | - | 39 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (7°C) | 2.4 in | Coldest |
| February | 46°F (8°C) | 1.9 in | |
| March | 51°F (11°C) | 2.0 in | |
| April | 56°F (13°C) | 2.4 in | |
| May | 63°F (17°C) | 2.2 in | |
| June | 71°F (21°C) | 1.5 in | |
| July | 76°F (24°C) | 0.9 in | Warmest, Driest |
| August | 75°F (24°C) | 1.7 in | |
| September | 68°F (20°C) | 2.8 in | |
| October | 60°F (16°C) | 4.3 in | Wettest |
| November | 51°F (10°C) | 2.4 in | |
| December | 45°F (7°C) | 2.3 in |
Istres has a seasonal temperature swing of 32°F / from 44°F in January to 76°F in July. Total annual precipitation is 26.8 inches, with October being the wettest month (4.3") and July the driest (0.9").