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Weather & Climate in Osasio, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Osasio enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 38°F in January while summers reach 78°F in July. The area gets 301 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 39.7 inches. The area receives 9.3 inches of snow annually. The city sits at an elevation of 791 feet.
Temperature
38°F Jan (3°C)
78°F Jul (25°C)
| Annual Average | 56.8°F |
| 5% above US avg | |
| January Average | 38°F (3°C) |
| July Average | 78°F (25°C) |
| Sunny Days | 301 days/yr |
Geography
| Elevation | 791 ft (241 m) |
| Area | 28.4 sq mi (73.5 km²) |
| Population Density | 30/sq mi |
| Coordinates | 44.8714°N, 7.6080°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
2,399 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 | 102 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 | 68 km | 10 km |
| Apr 7, 2014 | 7 km SE of Guillestre, France | M4.8 | 77 km | 8 km |
| Oct 31, 1997 | 12 km SE of Seyne-les-Alpes, France | M4.8 | 111 km | 10 km |
| Jul 18, 2001 | 3 km S of Masio, Italy | M4.7 | 63 km | 0 km |
| Mar 5, 2012 | 3 km NNW of Santo Stefano d'Aveto, Italy | M4.7 | 148 km | 9 km |
| Jan 20, 1994 | 1 km NE of Melle, Italy | M4.6 | 40 km | 10 km |
| Feb 11, 1991 | 5 km ESE of Briançon, France | M4.6 | 71 km | 14 km |
| Apr 16, 2020 | 2 km SE of Marsaglia, Italy | M4.5 | 143 km | 10 km |
| Apr 19, 2009 | 1 km ENE of Bandito, Italy | M4.5 | 25 km | 40 km |
| Jul 17, 1993 | 0 km NNW of Calice Ligure, Italy | M4.5 | 92 km | 5 km |
| Mar 2, 2012 | 8 km NNW of Jausiers, France | M4.5 | 83 km | 10 km |
| Mar 12, 2022 | 3 km S of Faverges, France | M4.5 | 140 km | 3 km |
| Feb 24, 1997 | 36 km SE of Cervo, Italy | M4.5 | 146 km | 20 km |
| Oct 3, 2012 | 2 km N of Melle, Italy | M4.5 | 39 km | 10 km |
| Jun 14, 1993 | 3 km S of Vogogna, Italy | M4.4 | 135 km | 10 km |
| Jul 17, 1993 | 0 km NNE of Calice Ligure, Italy | M4.4 | 92 km | 5 km |
| Nov 21, 1995 | 1 km SW of Collegno, Italy | M4.4 | 23 km | 22 km |
| Jul 25, 2011 | 5 km NW of Cantalupa, Italy | M4.4 | 28 km | 25 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 | 133 km |
| 1968 | LIGURIA-COTE D'AZUR | Earthquake | 3.0 m | — | 93 km |
| 1564 | LIGURIA-COTE D'AZUR | Eruption + Earthquake | — | 650 | 99 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (3°C) | 1.6 in | Coldest |
| February | 41°F (5°C) | 1.6 in | |
| March | 48°F (9°C) | 2.1 in | |
| April | 54°F (12°C) | 3.4 in | |
| May | 62°F (16°C) | 4.3 in | Wettest |
| June | 68°F (20°C) | 3.2 in | |
| July | 78°F (25°C) | 1.8 in | Warmest |
| August | 72°F (22°C) | 2.7 in | |
| September | 65°F (19°C) | 2.8 in | |
| October | 56°F (13°C) | 3.4 in | |
| November | 45°F (7°C) | 2.2 in | |
| December | 39°F (4°C) | 1.6 in | Driest |
Osasio has a seasonal temperature swing of 39°F / from 38°F in January to 78°F in July. Total annual precipitation is 30.6 inches, with May being the wettest month (4.3") and December the driest (1.6").