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Weather & Climate in Custonaci, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Custonaci enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 50°F in January while summers reach 76°F in July. The area gets 299 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 20.5 inches (drier than the 38-inch national average). The city sits at an elevation of 610 feet.
Temperature
50°F Jan (10°C)
76°F Jul (24°C)
| Annual Average | 61.9°F |
| 15% above US avg | |
| January Average | 50°F (10°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 299 days/yr |
Geography
| Elevation | 610 ft (186 m) |
| Area | 23.3 sq mi (60.3 km²) |
| Population Density | 168/sq mi |
| Coordinates | 38.0793°N, 12.6857°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
614 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.0.
| Sep 6, 2002 | 34 km NNE of Santa Flavia, Italy | M6.0 | 95 km | 5 km |
| Sep 27, 2002 | 39 km NNE of Santa Flavia, Italy | M5.3 | 97 km | 5 km |
| Sep 14, 1998 | 40 km N of Santa Flavia, Italy | M4.9 | 91 km | 10 km |
| Jun 26, 1993 | 1 km WNW of Tusa, Italy | M4.9 | 135 km | 14 km |
| Dec 30, 1999 | 57 km NW of Favignana, Italy | M4.9 | 76 km | 10 km |
| Jan 17, 1998 | 28 km NNE of San Vito Lo Capo, Italy | M4.9 | 40 km | 10 km |
| Nov 25, 2001 | 6 km SW of Polizzi Generosa, Italy | M4.9 | 117 km | 10 km |
| Sep 7, 2009 | 62 km N of Cefalù, Italy | M4.8 | 134 km | 20 km |
| May 29, 1995 | 22 km W of Favignana, Italy | M4.8 | 57 km | 12 km |
| Aug 26, 2025 | 72 km WNW of Favignana, Italy | M4.8 | 96 km | 1 km |
| May 6, 1994 | 2 km NNE of Alimena, Italy | M4.8 | 133 km | 46 km |
| Dec 14, 1996 | 1 km SW of Sclafani Bagni, Italy | M4.7 | 106 km | 40 km |
| Jun 20, 1998 | 28 km NNW of San Vito Lo Capo, Italy | M4.7 | 39 km | 10 km |
| Sep 28, 2002 | 43 km NNE of Santa Flavia, Italy | M4.6 | 99 km | 5 km |
| Sep 20, 2002 | Sicily, Italy | M4.5 | 101 km | 5 km |
| Feb 20, 2023 | 62 km WNW of Leni, Italy | M4.5 | 146 km | 10 km |
| Jun 21, 1998 | 29 km NNW of San Vito Lo Capo, Italy | M4.5 | 39 km | 10 km |
| Sep 6, 2002 | 40 km NNE of Santa Flavia, Italy | M4.5 | 100 km | 4 km |
| Mar 30, 2000 | 66 km NE of Ustica, Italy | M4.5 | 148 km | 410 km |
| Jul 25, 1995 | 50 km NNW of San Vito Lo Capo, Italy | M4.4 | 58 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
2 tsunamis recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1769 | CORINTH GULF | Earthquake | — | — | 55 km |
| 1726 | NORTHERN SICILY | Earthquake | — | 250 | 58 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Campi Flegrei del Mar di Sicilia (109 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Campi Flegrei del Mar di Sicilia | Submarine | -8 m (-26 ft) | 1867 | 109 km |
| Pantelleria | Shield | 836 m (2,743 ft) | 1891 | 157 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 50°F (10°C) | 2.4 in | Coldest |
| February | 50°F (10°C) | 2.1 in | |
| March | 52°F (11°C) | 1.9 in | |
| April | 56°F (13°C) | 1.8 in | |
| May | 63°F (17°C) | 0.9 in | |
| June | 71°F (21°C) | 0.2 in | |
| July | 76°F (24°C) | 0.2 in | Driest |
| August | 77°F (25°C) | 0.5 in | Warmest |
| September | 72°F (22°C) | 1.7 in | |
| October | 65°F (19°C) | 3.0 in | |
| November | 58°F (14°C) | 3.1 in | Wettest |
| December | 53°F (12°C) | 2.7 in |
Custonaci has a seasonal temperature swing of 27°F / from 50°F in January to 77°F in August. Total annual precipitation is 20.5 inches, with November being the wettest month (3.1") and July the driest (0.2").