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Weather & Climate in Saint-Jean, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Saint-Jean has a cool climate with an average annual temperature of 38°F (3°C). Winters average 24°F in January while summers reach 54°F in July. The area gets 242 sunny days per year, above the national average. Annual precipitation totals 51.7 inches (wetter than the 38-inch national average). The area receives 28.6 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 3,881 feet.
Temperature
24°F Jan (-4°C)
54°F Jul (12°C)
| Annual Average | 37.8°F |
| 30% below US avg | |
| January Average | 24°F (-4°C) |
| July Average | 54°F (12°C) |
| Sunny Days | 242 days/yr |
Geography
| Elevation | 3,881 ft (1,183 m) |
| Area | 14.4 sq mi (37.2 km²) |
| Population Density | 66/sq mi |
| Coordinates | 44.6702°N, 6.2165°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
1,788 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 | 48 km | 10 km |
| Apr 7, 2014 | 7 km SE of Guillestre, France | M4.8 | 40 km | 8 km |
| Feb 11, 1991 | 5 km ESE of Briançon, France | M4.6 | 45 km | 14 km |
| Jan 20, 1994 | 1 km NE of Melle, Italy | M4.6 | 89 km | 10 km |
| Oct 3, 2012 | 2 km N of Melle, Italy | M4.5 | 88 km | 10 km |
| Apr 19, 2009 | 1 km ENE of Bandito, Italy | M4.5 | 129 km | 40 km |
| Mar 12, 2022 | 3 km S of Faverges, France | M4.5 | 117 km | 3 km |
| Dec 14, 1994 | 7 km SSE of Amancy, France | M4.5 | 150 km | 10 km |
| Mar 2, 2012 | 8 km NNW of Jausiers, France | M4.5 | 44 km | 10 km |
| Apr 21, 1995 | 4 km ESE of Menton, France | M4.4 | 147 km | 26 km |
| Jul 25, 2011 | 5 km NW of Cantalupa, Italy | M4.4 | 91 km | 25 km |
| Jul 23, 1996 | 4 km W of Choisy, France | M4.4 | 148 km | 10 km |
| Nov 21, 1995 | 1 km SW of Collegno, Italy | M4.4 | 114 km | 22 km |
| Jun 30, 2010 | 3 km NW of Saint-Martin-de-Belleville, France | M4.3 | 85 km | 2 km |
| Jan 20, 1994 | 1 km SW of Melle, Italy | M4.3 | 87 km | 10 km |
| Feb 11, 1990 | northern Italy | M4.3 | 116 km | 10 km |
| Aug 3, 2011 | 4 km ESE of Barjac, France | M4.3 | 150 km | 4 km |
| Jan 11, 1999 | 2 km W of Saint-Paul-de-Varces, France | M4.2 | 66 km | 10 km |
| May 14, 2004 | 0 km SSE of Chiusa di San Michele, Italy | M4.2 | 100 km | 10 km |
| Jul 30, 2016 | 0 km SSW of Fleccia-Chianavasso, Italy | M4.2 | 84 km | 11 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 | 136 km |
| 1564 | LIGURIA-COTE D'AZUR | Eruption + Earthquake | — | 650 | 112 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-4°C) | 4.9 in | Coldest |
| February | 25°F (-4°C) | 4.2 in | |
| March | 28°F (-2°C) | 4.2 in | |
| April | 32°F (0°C) | 4.4 in | |
| May | 41°F (5°C) | 4.6 in | |
| June | 48°F (9°C) | 3.7 in | |
| July | 54°F (12°C) | 2.5 in | Driest |
| August | 55°F (13°C) | 3.2 in | Warmest |
| September | 48°F (9°C) | 3.9 in | |
| October | 41°F (5°C) | 5.2 in | |
| November | 32°F (-0°C) | 5.8 in | Wettest |
| December | 27°F (-3°C) | 5.2 in |
Saint-Jean has a seasonal temperature swing of 31°F / from 24°F in January to 55°F in August. Total annual precipitation is 51.7 inches, with November being the wettest month (5.8") and July the driest (2.5").