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Weather & Climate in Castellano, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Castellano experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 34°F in January while summers reach 67°F in July. The area gets 305 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 43.0 inches. The area receives 10.8 inches of snow annually. The city sits at an elevation of 2,589 feet.
Temperature
34°F Jan (1°C)
67°F Jul (19°C)
| Annual Average | 50.4°F |
| 7% below US avg | |
| January Average | 34°F (1°C) |
| July Average | 67°F (19°C) |
| Sunny Days | 305 days/yr |
Geography
| Elevation | 2,589 ft (789 m) |
| Area | 32.6 sq mi (84.3 km²) |
| Population Density | 19/sq mi |
| Coordinates | 45.9238°N, 11.0069°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
831 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.0.
| May 20, 2012 | 4 km NNE of Massa Finalese, Italy | M6.0 | 116 km | 6 km |
| May 29, 2012 | 1 km ENE of Medolla, Italy | M5.8 | 119 km | 10 km |
| May 29, 2012 | 2 km NE of San Possidonio, Italy | M5.5 | 115 km | 7 km |
| Oct 15, 1996 | 2 km N of Correggio, Italy | M5.4 | 127 km | 10 km |
| May 29, 2012 | 2 km W of San Possidonio, Italy | M5.1 | 117 km | 10 km |
| Jun 3, 2012 | 3 km ENE of Novi di Modena, Italy | M5.1 | 114 km | 9 km |
| May 20, 2012 | 1 km SSW of Vigarano Mainarda, Italy | M5.0 | 127 km | 5 km |
| Jan 25, 2012 | 1 km N of Poviglio, Italy | M4.9 | 125 km | 33 km |
| Oct 29, 1995 | 0 km WNW of Adro, Italy | M4.9 | 88 km | 10 km |
| Jul 17, 2011 | 0 km W of Sermide, Italy | M4.9 | 105 km | 6 km |
| May 20, 2012 | 2 km ENE of Medolla, Italy | M4.9 | 119 km | 10 km |
| May 29, 2012 | 2 km W of San Possidonio, Italy | M4.8 | 117 km | 11 km |
| May 29, 2012 | 3 km ENE of Novi di Modena, Italy | M4.8 | 114 km | 3 km |
| Dec 29, 1999 | 12 km N of Isolaccia, Italy | M4.8 | 93 km | 10 km |
| May 20, 2012 | 3 km WSW of Bondeno, Italy | M4.8 | 120 km | 3 km |
| Feb 21, 1998 | 2 km ENE of Campagnola Emilia, Italy | M4.8 | 121 km | 10 km |
| May 29, 2012 | 2 km NW of San Possidonio, Italy | M4.7 | 115 km | 5 km |
| May 20, 2012 | 3 km NE of Massa Finalese, Italy | M4.7 | 118 km | 3 km |
| Jul 17, 2001 | 3 km NNE of Rifiano, Italy | M4.7 | 91 km | 10 km |
| Nov 20, 1991 | 1 km WSW of Churwalden, Switzerland | M4.7 | 149 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: 235.0 m (771 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1963 | VAJONT DAM, VAJONT RIVER | Meteorological | 235.0 m | 2,000 | 109 km |
| 1987 | VALTELLINA | Meteorological | 95.0 m | 27 | 72 km |
| 1868 | LAKE GARDA | Earthquake | — | — | 34 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 34°F (1°C) | 1.3 in | |
| February | 35°F (1°C) | 1.1 in | Driest |
| March | 41°F (5°C) | 1.5 in | |
| April | 47°F (8°C) | 2.0 in | |
| May | 56°F (13°C) | 2.6 in | |
| June | 62°F (17°C) | 2.9 in | Wettest |
| July | 67°F (19°C) | 2.6 in | Warmest |
| August | 66°F (19°C) | 2.8 in | |
| September | 59°F (15°C) | 2.6 in | |
| October | 50°F (10°C) | 2.9 in | |
| November | 39°F (4°C) | 1.9 in | |
| December | 33°F (1°C) | 1.4 in | Coldest |
Castellano has a seasonal temperature swing of 34°F / from 33°F in December to 67°F in July. Total annual precipitation is 25.6 inches, with June being the wettest month (2.9") and February the driest (1.1").