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Weather & Climate in Isola del Gran Sasso d'Italia, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Isola del Gran Sasso d'Italia has a cool climate with an average annual temperature of 45°F (7°C). Winters average 30°F in January while summers reach 66°F in July. The area gets 288 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 50.5 inches (wetter than the 38-inch national average). The area receives 86.4 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 1,362 feet.
Temperature
30°F Jan (-1°C)
66°F Jul (19°C)
| Annual Average | 45.3°F |
| 16% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 288 days/yr |
Geography
| Elevation | 1,362 ft (415 m) |
| Area | 29.8 sq mi (77.3 km²) |
| Population Density | 73/sq mi |
| Coordinates | 42.5032°N, 13.6572°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
1,502 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 | 33 km | 9 km |
| Aug 24, 2016 | 5 km WNW of Accumoli, Italy | M6.2 | 46 km | 4 km |
| Sep 26, 1997 | 3 km SSE of Nocera Umbra, Italy | M6.0 | 95 km | 10 km |
| Oct 31, 2002 | 4 km WSW of Larino, Italy | M5.9 | 128 km | 10 km |
| Nov 1, 2002 | 2 km ESE of Casacalenda, Italy | M5.8 | 133 km | 10 km |
| Sep 26, 1997 | 6 km WSW of Serravalle di Chienti, Italy | M5.7 | 88 km | 10 km |
| Jan 18, 2017 | 5 km ESE of Cittareale, Italy | M5.7 | 37 km | 7 km |
| Aug 24, 2016 | 5 km S of Castelsantangelo sul Nera, Italy | M5.6 | 56 km | 3 km |
| Jan 18, 2017 | 4 km SE of Cittareale, Italy | M5.6 | 39 km | 10 km |
| Apr 7, 2009 | 1 km SW of San Panfilo d'Ocre, Italy | M5.5 | 30 km | 15 km |
| Oct 6, 1997 | 6 km E of Valtopina, Italy | M5.5 | 90 km | 10 km |
| Oct 14, 1997 | 8 km NNW of Sellano, Italy | M5.5 | 81 km | 10 km |
| Mar 26, 1998 | 1 km E of Esanatoglia, Italy | M5.4 | 101 km | 10 km |
| Apr 9, 2009 | 5 km SE of Capitignano, Italy | M5.4 | 26 km | 15 km |
| Jul 21, 2013 | 3 km ENE of Marcelli, Italy | M5.4 | 111 km | 8 km |
| Jan 18, 2017 | 4 km SW of Accumoli, Italy | M5.3 | 41 km | 10 km |
| Oct 12, 1997 | 2 km NW of Sellano, Italy | M5.3 | 76 km | 10 km |
| Oct 3, 1997 | 3 km ENE of Valtopina, Italy | M5.3 | 95 km | 10 km |
| Jan 18, 2017 | 3 km N of Montereale, Italy | M5.2 | 34 km | 7 km |
| Apr 3, 1998 | 8 km E of Valfabbrica, Italy | M5.2 | 107 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1805 | CAMPANIA | Earthquake | — | — | 130 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Colli Albani (117 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Colli Albani | Caldera | 949 m (3,114 ft) | Unknown | 117 km |
| Vulsini | Caldera | 800 m (2,625 ft) | -104 | 142 km |
| Campi Flegrei | Caldera | 458 m (1,503 ft) | 1538 | 191 km |
| Vesuvius | Stratovolcano | 1,281 m (4,203 ft) | 1944 | 198 km |
| Ischia | Complex | 789 m (2,589 ft) | 1302 | 198 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 1.7 in | Coldest, Driest |
| February | 38°F (3°C) | 2.0 in | |
| March | 42°F (6°C) | 2.1 in | |
| April | 47°F (9°C) | 2.7 in | |
| May | 56°F (13°C) | 2.9 in | |
| June | 63°F (17°C) | 3.2 in | |
| July | 66°F (19°C) | 2.8 in | |
| August | 68°F (20°C) | 2.9 in | Warmest |
| September | 61°F (16°C) | 3.7 in | |
| October | 54°F (12°C) | 3.8 in | Wettest |
| November | 45°F (7°C) | 3.2 in | |
| December | 40°F (4°C) | 2.4 in |
Isola del Gran Sasso d'Italia has a seasonal temperature swing of 38°F / from 30°F in January to 68°F in August. Total annual precipitation is 33.2 inches, with October being the wettest month (3.8") and January the driest (1.7").