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Weather & Climate in Cosio di Arroscia, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Cosio di Arroscia experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 39°F in January while summers reach 70°F in July. The area gets 317 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 34.2 inches. The area receives 14.9 inches of snow annually. The city sits at an elevation of 2,365 feet.
Temperature
39°F Jan (4°C)
70°F Jul (21°C)
| Annual Average | 53.6°F |
| 1% below US avg | |
| January Average | 39°F (4°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 317 days/yr |
Geography
| Elevation | 2,365 ft (721 m) |
| Area | 15.9 sq mi (41.2 km²) |
| Population Density | 15/sq mi |
| Coordinates | 44.0774°N, 7.8324°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
2,139 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.0.
| Apr 11, 2003 | 1 km SSW of Carezzano Maggiore, Italy | M5.0 | 116 km | 4 km |
| Apr 18, 2005 | 2 km WSW of Marsaglia, Italy | M4.9 | 139 km | 0 km |
| Aug 21, 2000 | 1 km WNW of Oviglio, Italy | M4.9 | 102 km | 10 km |
| Apr 7, 2014 | 7 km SE of Guillestre, France | M4.8 | 107 km | 8 km |
| Oct 31, 1997 | 12 km SE of Seyne-les-Alpes, France | M4.8 | 111 km | 10 km |
| Mar 5, 2012 | 3 km NNW of Santo Stefano d'Aveto, Italy | M4.7 | 139 km | 9 km |
| Jul 18, 2001 | 3 km S of Masio, Italy | M4.7 | 96 km | 0 km |
| Feb 11, 1991 | 5 km ESE of Briançon, France | M4.6 | 126 km | 14 km |
| Feb 25, 2001 | 28 km SSE of Saint-Jean-Cap-Ferrat, France | M4.6 | 75 km | 9 km |
| Jan 20, 1994 | 1 km NE of Melle, Italy | M4.6 | 68 km | 10 km |
| Mar 14, 2001 | 34 km SSE of San Lorenzo al Mare, Italy | M4.6 | 61 km | 19 km |
| Jul 17, 1993 | 0 km NNW of Calice Ligure, Italy | M4.5 | 40 km | 5 km |
| Apr 19, 2009 | 1 km ENE of Bandito, Italy | M4.5 | 72 km | 40 km |
| Feb 24, 1997 | 36 km SE of Cervo, Italy | M4.5 | 64 km | 20 km |
| Oct 3, 2012 | 2 km N of Melle, Italy | M4.5 | 70 km | 10 km |
| Apr 16, 2020 | 2 km SE of Marsaglia, Italy | M4.5 | 143 km | 10 km |
| Mar 2, 2012 | 8 km NNW of Jausiers, France | M4.5 | 101 km | 10 km |
| Sep 22, 2022 | 3 km SW of Bargagli, Italy | M4.4 | 106 km | 10 km |
| Jul 17, 1993 | 0 km NNE of Calice Ligure, Italy | M4.4 | 40 km | 5 km |
| Nov 21, 1995 | 1 km SW of Collegno, Italy | M4.4 | 113 km | 22 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 | 63 km |
| 1968 | LIGURIA-COTE D'AZUR | Earthquake | 3.0 m | — | 13 km |
| 1564 | LIGURIA-COTE D'AZUR | Eruption + Earthquake | — | 650 | 44 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 3.5 in | |
| February | 33°F (1°C) | 2.8 in | Coldest |
| March | 37°F (3°C) | 3.1 in | |
| April | 41°F (5°C) | 3.9 in | |
| May | 49°F (10°C) | 3.7 in | |
| June | 55°F (13°C) | 2.5 in | |
| July | 70°F (21°C) | 1.4 in | Warmest, Driest |
| August | 61°F (16°C) | 2.2 in | |
| September | 55°F (13°C) | 3.4 in | |
| October | 48°F (9°C) | 4.9 in | Wettest |
| November | 39°F (4°C) | 3.9 in | |
| December | 35°F (2°C) | 3.3 in |
Cosio di Arroscia has a seasonal temperature swing of 36°F / from 33°F in February to 70°F in July. Total annual precipitation is 38.6 inches, with October being the wettest month (4.9") and July the driest (1.4").