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Weather & Climate in Sisteron, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sisteron experiences four distinct seasons with an average annual temperature of 53°F (11°C). Winters average 37°F in January while summers reach 70°F in July. The area gets 279 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 31.7 inches. The city sits at an elevation of 1,585 feet.
Temperature
37°F Jan (3°C)
70°F Jul (21°C)
| Annual Average | 52.6°F |
| 3% below US avg | |
| January Average | 37°F (3°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 279 days/yr |
Geography
| Elevation | 1,585 ft (483 m) |
| Area | 19.4 sq mi (50.2 km²) |
| Population Density | 392/sq mi |
| Coordinates | 44.1900°N, 5.9464°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
1,781 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 | 43 km | 10 km |
| Apr 7, 2014 | 7 km SE of Guillestre, France | M4.8 | 76 km | 8 km |
| Jan 20, 1994 | 1 km NE of Melle, Italy | M4.6 | 118 km | 10 km |
| Feb 25, 2001 | 28 km SSE of Saint-Jean-Cap-Ferrat, France | M4.6 | 147 km | 9 km |
| Feb 11, 1991 | 5 km ESE of Briançon, France | M4.6 | 97 km | 14 km |
| Mar 2, 2012 | 8 km NNW of Jausiers, France | M4.5 | 69 km | 10 km |
| Oct 3, 2012 | 2 km N of Melle, Italy | M4.5 | 117 km | 10 km |
| Apr 21, 1995 | 4 km ESE of Menton, France | M4.4 | 137 km | 26 km |
| Jul 25, 2011 | 5 km NW of Cantalupa, Italy | M4.4 | 138 km | 25 km |
| Jun 30, 2010 | 3 km NW of Saint-Martin-de-Belleville, France | M4.3 | 142 km | 2 km |
| Aug 3, 2011 | 4 km ESE of Barjac, France | M4.3 | 124 km | 4 km |
| Jan 20, 1994 | 1 km SW of Melle, Italy | M4.3 | 116 km | 10 km |
| Jun 10, 2003 | 1 km NNE of Piobesi Torinese, Italy | M4.2 | 149 km | 20 km |
| Jan 11, 1999 | 2 km W of Saint-Paul-de-Varces, France | M4.2 | 102 km | 10 km |
| May 14, 2004 | 0 km SSE of Chiusa di San Michele, Italy | M4.2 | 149 km | 10 km |
| Feb 26, 2012 | 13 km ESE of Embrun, France | M4.2 | 69 km | 2 km |
| Jul 30, 2016 | 0 km SSW of Fleccia-Chianavasso, Italy | M4.2 | 130 km | 11 km |
| Jul 14, 2014 | 8 km NNW of Jausiers, France | M4.1 | 67 km | 2 km |
| Feb 18, 1996 | 13 km ESE of Saint-Martin-de-Queyrières, France | M4.1 | 91 km | 5 km |
| Jan 7, 2013 | 7 km SE of Saint-Martin-de-Queyrières, France | M4.1 | 85 km | 7 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 | 118 km |
| 2004 | MARSEILLES | Meteorological | — | — | 109 km |
| 1564 | LIGURIA-COTE D'AZUR | Eruption + Earthquake | — | 650 | 108 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 37°F (3°C) | 2.4 in | Coldest |
| February | 40°F (4°C) | 2.1 in | |
| March | 45°F (7°C) | 2.3 in | |
| April | 50°F (10°C) | 2.7 in | |
| May | 57°F (14°C) | 2.8 in | |
| June | 64°F (18°C) | 2.5 in | |
| July | 70°F (21°C) | 1.6 in | Warmest, Driest |
| August | 70°F (21°C) | 2.5 in | |
| September | 63°F (17°C) | 2.9 in | |
| October | 54°F (12°C) | 3.7 in | Wettest |
| November | 44°F (7°C) | 3.4 in | |
| December | 39°F (4°C) | 2.7 in |
Sisteron has a seasonal temperature swing of 33°F / from 37°F in January to 70°F in July. Total annual precipitation is 31.7 inches, with October being the wettest month (3.7") and July the driest (1.6").