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Weather & Climate in Castellero, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Castellero enjoys a temperate climate with an average annual temperature of 56°F (14°C). Winters average 38°F in January while summers reach 75°F in July. The area gets 287 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 33.6 inches. The area receives 4.8 inches of snow annually. The city sits at an elevation of 810 feet.
Temperature
38°F Jan (4°C)
75°F Jul (24°C)
| Annual Average | 56.3°F |
| 4% above US avg | |
| January Average | 38°F (4°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 287 days/yr |
Geography
| Elevation | 810 ft (247 m) |
| Area | 20.3 sq mi (52.6 km²) |
| Population Density | 4/sq mi |
| Coordinates | 44.9254°N, 8.0738°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
2,407 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 | 66 km | 4 km |
| Apr 18, 2005 | 2 km WSW of Marsaglia, Italy | M4.9 | 104 km | 0 km |
| Aug 21, 2000 | 1 km WNW of Oviglio, Italy | M4.9 | 32 km | 10 km |
| Apr 7, 2014 | 7 km SE of Guillestre, France | M4.8 | 114 km | 8 km |
| Oct 31, 1997 | 12 km SE of Seyne-les-Alpes, France | M4.8 | 146 km | 10 km |
| Jul 18, 2001 | 3 km S of Masio, Italy | M4.7 | 28 km | 0 km |
| Mar 5, 2012 | 3 km NNW of Santo Stefano d'Aveto, Italy | M4.7 | 115 km | 9 km |
| Aug 13, 2019 | 4 km SW of Stazione Valmozzola, Italy | M4.6 | 150 km | 10 km |
| Jan 20, 1994 | 1 km NE of Melle, Italy | M4.6 | 71 km | 10 km |
| Feb 11, 1991 | 5 km ESE of Briançon, France | M4.6 | 108 km | 14 km |
| Oct 3, 2012 | 2 km N of Melle, Italy | M4.5 | 71 km | 10 km |
| Jul 17, 1993 | 0 km NNW of Calice Ligure, Italy | M4.5 | 82 km | 5 km |
| Apr 19, 2009 | 1 km ENE of Bandito, Italy | M4.5 | 29 km | 40 km |
| Mar 2, 2012 | 8 km NNW of Jausiers, France | M4.5 | 119 km | 10 km |
| Oct 3, 2012 | 1 km WSW of Lugagnano Val d'Arda, Italy | M4.5 | 138 km | 22 km |
| Apr 16, 2020 | 2 km SE of Marsaglia, Italy | M4.5 | 108 km | 10 km |
| Feb 24, 1997 | 36 km SE of Cervo, Italy | M4.5 | 140 km | 20 km |
| Jul 25, 2011 | 5 km NW of Cantalupa, Italy | M4.4 | 63 km | 25 km |
| Nov 21, 1995 | 1 km SW of Collegno, Italy | M4.4 | 44 km | 22 km |
| Jun 14, 1993 | 3 km S of Vogogna, Italy | M4.4 | 119 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 3.0 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1968 | LIGURIA-COTE D'AZUR | Earthquake | 3.0 m | — | 94 km |
| 1564 | LIGURIA-COTE D'AZUR | Eruption + Earthquake | — | 650 | 119 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (4°C) | 1.3 in | Coldest |
| February | 41°F (5°C) | 1.7 in | |
| March | 48°F (9°C) | 2.2 in | |
| April | 53°F (12°C) | 2.6 in | |
| May | 61°F (16°C) | 3.2 in | Wettest |
| June | 68°F (20°C) | 2.0 in | |
| July | 75°F (24°C) | 1.2 in | Warmest, Driest |
| August | 72°F (22°C) | 2.2 in | |
| September | 65°F (19°C) | 1.9 in | |
| October | 56°F (13°C) | 2.8 in | |
| November | 45°F (7°C) | 2.1 in | |
| December | 39°F (4°C) | 1.3 in |
Castellero has a seasonal temperature swing of 36°F / from 38°F in January to 75°F in July. Total annual precipitation is 24.4 inches, with May being the wettest month (3.2") and July the driest (1.2").