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Weather & Climate in Gagliano Aterno, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Gagliano Aterno enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 40°F in January while summers reach 76°F in July. The area gets 303 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 32.1 inches. The area receives 13.5 inches of snow annually. The city sits at an elevation of 2,133 feet.
Temperature
40°F Jan (4°C)
76°F Jul (25°C)
| Annual Average | 55.6°F |
| 3% above US avg | |
| January Average | 40°F (4°C) |
| July Average | 76°F (25°C) |
| Sunny Days | 303 days/yr |
Geography
| Elevation | 2,133 ft (650 m) |
| Area | 14.0 sq mi (36.3 km²) |
| Population Density | 18/sq mi |
| Coordinates | 42.1260°N, 13.7002°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
1,332 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.3.
| Apr 6, 2009 | 3 km SE of Sassa, Italy | M6.3 | 38 km | 9 km |
| Aug 24, 2016 | 5 km WNW of Accumoli, Italy | M6.2 | 79 km | 4 km |
| Sep 26, 1997 | 3 km SSE of Nocera Umbra, Italy | M6.0 | 129 km | 10 km |
| Oct 31, 2002 | 4 km WSW of Larino, Italy | M5.9 | 104 km | 10 km |
| Nov 1, 2002 | 2 km ESE of Casacalenda, Italy | M5.8 | 107 km | 10 km |
| Jan 18, 2017 | 5 km ESE of Cittareale, Italy | M5.7 | 66 km | 7 km |
| Sep 26, 1997 | 6 km WSW of Serravalle di Chienti, Italy | M5.7 | 123 km | 10 km |
| Jan 18, 2017 | 4 km SE of Cittareale, Italy | M5.6 | 66 km | 10 km |
| Aug 24, 2016 | 5 km S of Castelsantangelo sul Nera, Italy | M5.6 | 91 km | 3 km |
| Oct 6, 1997 | 6 km E of Valtopina, Italy | M5.5 | 124 km | 10 km |
| Oct 14, 1997 | 8 km NNW of Sellano, Italy | M5.5 | 114 km | 10 km |
| Apr 7, 2009 | 1 km SW of San Panfilo d'Ocre, Italy | M5.5 | 26 km | 15 km |
| Mar 26, 1998 | 1 km E of Esanatoglia, Italy | M5.4 | 139 km | 10 km |
| Apr 9, 2009 | 5 km SE of Capitignano, Italy | M5.4 | 50 km | 15 km |
| Oct 12, 1997 | 2 km NW of Sellano, Italy | M5.3 | 108 km | 10 km |
| Jan 18, 2017 | 4 km SW of Accumoli, Italy | M5.3 | 72 km | 10 km |
| Oct 3, 1997 | 3 km ENE of Valtopina, Italy | M5.3 | 129 km | 10 km |
| Apr 3, 1998 | 8 km E of Valfabbrica, Italy | M5.2 | 141 km | 10 km |
| Jan 18, 2017 | 3 km N of Montereale, Italy | M5.2 | 61 km | 7 km |
| Apr 9, 2009 | 2 km ESE of Capitignano, Italy | M5.2 | 53 km | 3 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 |
| 1805 | CAMPANIA | Earthquake | — | — | 94 km |
| 1627 | GARGANO PENINSULA | Earthquake | — | 5,000 | 143 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Colli Albani (94 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Colli Albani | Caldera | 949 m (3,114 ft) | Unknown | 94 km |
| Campi Flegrei | Caldera | 458 m (1,503 ft) | 1538 | 149 km |
| Vulsini | Caldera | 800 m (2,625 ft) | -104 | 155 km |
| Ischia | Complex | 789 m (2,589 ft) | 1302 | 156 km |
| Vesuvius | Stratovolcano | 1,281 m (4,203 ft) | 1944 | 157 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 2.1 in | Driest |
| February | 37°F (3°C) | 2.3 in | Coldest |
| March | 42°F (5°C) | 2.2 in | |
| April | 47°F (8°C) | 2.6 in | |
| May | 56°F (13°C) | 2.5 in | |
| June | 63°F (17°C) | 2.6 in | |
| July | 76°F (25°C) | 2.4 in | Warmest |
| August | 69°F (20°C) | 2.5 in | |
| September | 62°F (16°C) | 3.3 in | |
| October | 53°F (12°C) | 3.7 in | Wettest |
| November | 44°F (7°C) | 3.6 in | |
| December | 39°F (4°C) | 2.7 in |
Gagliano Aterno has a seasonal temperature swing of 39°F / from 37°F in February to 76°F in July. Total annual precipitation is 32.4 inches, with October being the wettest month (3.7") and January the driest (2.1").