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Weather & Climate in Castelletto d'Orba, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Castelletto d'Orba enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 39°F in January while summers reach 73°F in July. The area gets 292 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 30.1 inches (drier than the 38-inch national average). The area receives 14.1 inches of snow annually. The city sits at an elevation of 656 feet.
Temperature
39°F Jan (4°C)
73°F Jul (23°C)
| Annual Average | 55.5°F |
| 3% above US avg | |
| January Average | 39°F (4°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 292 days/yr |
Geography
| Elevation | 656 ft (200 m) |
| Area | 14.4 sq mi (37.3 km²) |
| Population Density | 87/sq mi |
| Coordinates | 44.6846°N, 8.7040°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
2,205 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.2.
| Jun 21, 2013 | 6 km WSW of Minucciano, Italy | M5.2 | 128 km | 5 km |
| Apr 11, 2003 | 1 km SSW of Carezzano Maggiore, Italy | M5.0 | 19 km | 4 km |
| Jan 27, 2012 | 4 km SE of Berceto, Italy | M5.0 | 108 km | 60 km |
| Jan 25, 2012 | 1 km N of Poviglio, Italy | M4.9 | 146 km | 33 km |
| Aug 21, 2000 | 1 km WNW of Oviglio, Italy | M4.9 | 27 km | 10 km |
| Jun 30, 2013 | 6 km SW of Minucciano, Italy | M4.9 | 130 km | 10 km |
| Apr 18, 2005 | 2 km WSW of Marsaglia, Italy | M4.9 | 51 km | 0 km |
| Oct 29, 1995 | 0 km WNW of Adro, Italy | M4.9 | 143 km | 10 km |
| Oct 10, 1995 | 2 km SSE of Pallerone, Italy | M4.7 | 118 km | 10 km |
| Jun 23, 2013 | 6 km WSW of Minucciano, Italy | M4.7 | 129 km | 10 km |
| Jul 18, 2001 | 3 km S of Masio, Italy | M4.7 | 29 km | 0 km |
| Mar 5, 2012 | 3 km NNW of Santo Stefano d'Aveto, Italy | M4.7 | 59 km | 9 km |
| Mar 14, 2001 | 34 km SSE of San Lorenzo al Mare, Italy | M4.6 | 133 km | 19 km |
| Jan 20, 1994 | 1 km NE of Melle, Italy | M4.6 | 109 km | 10 km |
| Aug 13, 2019 | 4 km SW of Stazione Valmozzola, Italy | M4.6 | 95 km | 10 km |
| Apr 16, 2020 | 2 km SE of Marsaglia, Italy | M4.5 | 56 km | 10 km |
| Jul 17, 1993 | 0 km NNW of Calice Ligure, Italy | M4.5 | 62 km | 5 km |
| Oct 3, 2012 | 2 km N of Melle, Italy | M4.5 | 110 km | 10 km |
| Jun 21, 2013 | 2 km S of Comano, Italy | M4.5 | 122 km | 10 km |
| Apr 19, 2009 | 1 km ENE of Bandito, Italy | M4.5 | 68 km | 40 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 | — | 88 km |
| 1564 | LIGURIA-COTE D'AZUR | Eruption + Earthquake | — | 650 | 135 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 3.1 in | Coldest |
| February | 41°F (5°C) | 2.0 in | |
| March | 48°F (9°C) | 2.8 in | |
| April | 53°F (12°C) | 3.1 in | |
| May | 61°F (16°C) | 2.9 in | |
| June | 68°F (20°C) | 2.1 in | |
| July | 73°F (23°C) | 1.3 in | Driest |
| August | 73°F (23°C) | 2.8 in | Warmest |
| September | 66°F (19°C) | 3.3 in | |
| October | 57°F (14°C) | 5.6 in | Wettest |
| November | 46°F (8°C) | 3.5 in | |
| December | 39°F (4°C) | 2.7 in |
Castelletto d'Orba has a seasonal temperature swing of 35°F / from 39°F in January to 73°F in August. Total annual precipitation is 35.2 inches, with October being the wettest month (5.6") and July the driest (1.3").