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Weather & Climate in Osasco, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Osasco 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 1,125 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 | 1,125 ft (343 m) |
| Area | 41.2 sq mi (106.7 km²) |
| Population Density | 16/sq mi |
| Coordinates | 44.8494°N, 7.3430°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
2,331 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 | 122 km | 4 km |
| Aug 21, 2000 | 1 km WNW of Oviglio, Italy | M4.9 | 89 km | 10 km |
| Apr 7, 2014 | 7 km SE of Guillestre, France | M4.8 | 57 km | 8 km |
| Oct 31, 1997 | 12 km SE of Seyne-les-Alpes, France | M4.8 | 94 km | 10 km |
| Jul 18, 2001 | 3 km S of Masio, Italy | M4.7 | 84 km | 0 km |
| Jan 20, 1994 | 1 km NE of Melle, Italy | M4.6 | 31 km | 10 km |
| Feb 11, 1991 | 5 km ESE of Briançon, France | M4.6 | 50 km | 14 km |
| Oct 3, 2012 | 2 km N of Melle, Italy | M4.5 | 29 km | 10 km |
| Mar 12, 2022 | 3 km S of Faverges, France | M4.5 | 127 km | 3 km |
| Mar 2, 2012 | 8 km NNW of Jausiers, France | M4.5 | 64 km | 10 km |
| Apr 19, 2009 | 1 km ENE of Bandito, Italy | M4.5 | 42 km | 40 km |
| Jul 17, 1993 | 0 km NNW of Calice Ligure, Italy | M4.5 | 104 km | 5 km |
| Jul 25, 2011 | 5 km NW of Cantalupa, Italy | M4.4 | 16 km | 25 km |
| Jun 14, 1993 | 3 km S of Vogogna, Italy | M4.4 | 146 km | 10 km |
| Nov 21, 1995 | 1 km SW of Collegno, Italy | M4.4 | 29 km | 22 km |
| Apr 21, 1995 | 4 km ESE of Menton, France | M4.4 | 122 km | 26 km |
| Sep 22, 2022 | 3 km SW of Bargagli, Italy | M4.4 | 144 km | 10 km |
| Jul 17, 1993 | 0 km NNE of Calice Ligure, Italy | M4.4 | 104 km | 5 km |
| Jan 20, 1994 | 1 km SW of Melle, Italy | M4.3 | 33 km | 10 km |
| Feb 11, 1990 | northern Italy | M4.3 | 27 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 | 128 km |
| 1968 | LIGURIA-COTE D'AZUR | Earthquake | 3.0 m | — | 100 km |
| 1564 | LIGURIA-COTE D'AZUR | Eruption + Earthquake | — | 650 | 93 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (3°C) | 1.7 in | Coldest |
| February | 40°F (5°C) | 1.7 in | Driest |
| March | 47°F (8°C) | 2.1 in | |
| April | 52°F (11°C) | 3.3 in | |
| May | 60°F (16°C) | 4.1 in | Wettest |
| June | 67°F (19°C) | 3.2 in | |
| July | 78°F (25°C) | 1.9 in | Warmest |
| August | 71°F (22°C) | 2.7 in | |
| September | 65°F (18°C) | 2.8 in | |
| October | 55°F (13°C) | 3.5 in | |
| November | 45°F (7°C) | 2.3 in | |
| December | 39°F (4°C) | 1.7 in |
Osasco has a seasonal temperature swing of 39°F / from 38°F in January to 78°F in July. Total annual precipitation is 31.1 inches, with May being the wettest month (4.1") and February the driest (1.7").