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Weather & Climate in Bonson, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Bonson experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 40°F in January while summers reach 69°F in July. The area gets 276 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 32.9 inches. The city sits at an elevation of 1,581 feet.
Temperature
40°F Jan (4°C)
69°F Jul (20°C)
| Annual Average | 52.9°F |
| 2% below US avg | |
| January Average | 40°F (4°C) |
| July Average | 69°F (20°C) |
| Sunny Days | 276 days/yr |
Geography
| Elevation | 1,581 ft (482 m) |
| Area | 1.5 sq mi (4.0 km²) |
| Population Density | 405/sq mi |
| Coordinates | 43.8627°N, 7.1896°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
2,142 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 | 73 km | 10 km |
| Apr 7, 2014 | 7 km SE of Guillestre, France | M4.8 | 91 km | 8 km |
| Jul 18, 2001 | 3 km S of Masio, Italy | M4.7 | 145 km | 0 km |
| Jan 20, 1994 | 1 km NE of Melle, Italy | M4.6 | 80 km | 10 km |
| Feb 11, 1991 | 5 km ESE of Briançon, France | M4.6 | 119 km | 14 km |
| Mar 14, 2001 | 34 km SSE of San Lorenzo al Mare, Italy | M4.6 | 82 km | 19 km |
| Feb 25, 2001 | 28 km SSE of Saint-Jean-Cap-Ferrat, France | M4.6 | 51 km | 9 km |
| Oct 3, 2012 | 2 km N of Melle, Italy | M4.5 | 81 km | 10 km |
| Mar 2, 2012 | 8 km NNW of Jausiers, France | M4.5 | 80 km | 10 km |
| Jul 17, 1993 | 0 km NNW of Calice Ligure, Italy | M4.5 | 96 km | 5 km |
| Feb 24, 1997 | 36 km SE of Cervo, Italy | M4.5 | 102 km | 20 km |
| Apr 19, 2009 | 1 km ENE of Bandito, Italy | M4.5 | 109 km | 40 km |
| Jul 25, 2011 | 5 km NW of Cantalupa, Italy | M4.4 | 125 km | 25 km |
| Apr 21, 1995 | 4 km ESE of Menton, France | M4.4 | 31 km | 26 km |
| Jul 17, 1993 | 0 km NNE of Calice Ligure, Italy | M4.4 | 97 km | 5 km |
| Nov 21, 1995 | 1 km SW of Collegno, Italy | M4.4 | 137 km | 22 km |
| Jan 20, 1994 | 1 km SW of Melle, Italy | M4.3 | 78 km | 10 km |
| Feb 11, 1990 | northern Italy | M4.3 | 132 km | 10 km |
| Jul 30, 2016 | 0 km SSW of Fleccia-Chianavasso, Italy | M4.2 | 120 km | 11 km |
| Feb 26, 2012 | 13 km ESE of Embrun, France | M4.2 | 86 km | 2 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 | 19 km |
| 1968 | LIGURIA-COTE D'AZUR | Earthquake | 3.0 m | — | 69 km |
| 1564 | LIGURIA-COTE D'AZUR | Eruption + Earthquake | — | 650 | 19 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 3.1 in | Coldest |
| February | 41°F (5°C) | 2.5 in | |
| March | 45°F (7°C) | 2.4 in | |
| April | 49°F (9°C) | 3.1 in | |
| May | 57°F (14°C) | 2.8 in | |
| June | 63°F (17°C) | 2.0 in | |
| July | 69°F (20°C) | 1.0 in | Driest |
| August | 69°F (20°C) | 1.7 in | Warmest |
| September | 62°F (17°C) | 3.0 in | |
| October | 54°F (12°C) | 4.7 in | Wettest |
| November | 46°F (8°C) | 3.6 in | |
| December | 41°F (5°C) | 3.2 in |
Bonson has a seasonal temperature swing of 29°F / from 40°F in January to 69°F in August. Total annual precipitation is 32.9 inches, with October being the wettest month (4.7") and July the driest (1.0").