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Weather & Climate in Ostana, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ostana experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 35°F in January while summers reach 67°F in July. The area gets 271 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 35.7 inches. The area receives 2.4 inches of snow annually. The city sits at an elevation of 4,154 feet.
Temperature
35°F Jan (2°C)
67°F Jul (19°C)
| Annual Average | 49.8°F |
| 8% below US avg | |
| January Average | 35°F (2°C) |
| July Average | 67°F (19°C) |
| Sunny Days | 271 days/yr |
Geography
| Elevation | 4,154 ft (1,266 m) |
| Area | 14.9 sq mi (38.6 km²) |
| Population Density | 5/sq mi |
| Coordinates | 44.6926°N, 7.1894°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
2,234 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 | 135 km | 4 km |
| Aug 21, 2000 | 1 km WNW of Oviglio, Italy | M4.9 | 103 km | 10 km |
| 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 | 39 km | 8 km |
| Jul 18, 2001 | 3 km S of Masio, Italy | M4.7 | 97 km | 0 km |
| Jan 20, 1994 | 1 km NE of Melle, Italy | M4.6 | 18 km | 10 km |
| Feb 11, 1991 | 5 km ESE of Briançon, France | M4.6 | 43 km | 14 km |
| Mar 14, 2001 | 34 km SSE of San Lorenzo al Mare, Italy | M4.6 | 146 km | 19 km |
| Feb 25, 2001 | 28 km SSE of Saint-Jean-Cap-Ferrat, France | M4.6 | 139 km | 9 km |
| Mar 2, 2012 | 8 km NNW of Jausiers, France | M4.5 | 45 km | 10 km |
| Apr 19, 2009 | 1 km ENE of Bandito, Italy | M4.5 | 52 km | 40 km |
| Mar 12, 2022 | 3 km S of Faverges, France | M4.5 | 134 km | 3 km |
| Jul 17, 1993 | 0 km NNW of Calice Ligure, Italy | M4.5 | 103 km | 5 km |
| Oct 3, 2012 | 2 km N of Melle, Italy | M4.5 | 16 km | 10 km |
| Feb 24, 1997 | 36 km SE of Cervo, Italy | M4.5 | 149 km | 20 km |
| Apr 21, 1995 | 4 km ESE of Menton, France | M4.4 | 107 km | 26 km |
| Jul 17, 1993 | 0 km NNE of Calice Ligure, Italy | M4.4 | 103 km | 5 km |
| Nov 21, 1995 | 1 km SW of Collegno, Italy | M4.4 | 51 km | 22 km |
| Jul 25, 2011 | 5 km NW of Cantalupa, Italy | M4.4 | 33 km | 25 km |
| Feb 11, 1990 | northern Italy | M4.3 | 48 km | 10 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 | 111 km |
| 1968 | LIGURIA-COTE D'AZUR | Earthquake | 3.0 m | — | 94 km |
| 1564 | LIGURIA-COTE D'AZUR | Eruption + Earthquake | — | 650 | 76 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (2°C) | 2.4 in | Coldest |
| February | 37°F (3°C) | 2.3 in | |
| March | 42°F (6°C) | 2.5 in | |
| April | 47°F (8°C) | 3.5 in | |
| May | 55°F (13°C) | 4.1 in | |
| June | 61°F (16°C) | 3.2 in | |
| July | 67°F (19°C) | 2.0 in | Warmest, Driest |
| August | 66°F (19°C) | 2.8 in | |
| September | 60°F (15°C) | 3.2 in | |
| October | 51°F (11°C) | 4.1 in | Wettest |
| November | 41°F (5°C) | 3.0 in | |
| December | 37°F (3°C) | 2.5 in |
Ostana has a seasonal temperature swing of 31°F / from 35°F in January to 67°F in July. Total annual precipitation is 35.7 inches, with October being the wettest month (4.1") and July the driest (2.0").