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Weather & Climate in Seggiano, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Seggiano experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 39°F in January while summers reach 69°F in July. The area gets 290 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 25.4 inches (drier than the 38-inch national average). The city sits at an elevation of 1,611 feet.
Temperature
39°F Jan (4°C)
69°F Jul (21°C)
| Annual Average | 52.7°F |
| 2% below US avg | |
| January Average | 39°F (4°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 290 days/yr |
Geography
| Elevation | 1,611 ft (491 m) |
| Area | 27.0 sq mi (70.0 km²) |
| Population Density | 18/sq mi |
| Coordinates | 42.9290°N, 11.5574°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
1,691 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.2.
| Aug 24, 2016 | 5 km WNW of Accumoli, Italy | M6.2 | 135 km | 4 km |
| Sep 26, 1997 | 3 km SSE of Nocera Umbra, Italy | M6.0 | 104 km | 10 km |
| Sep 26, 1997 | 6 km WSW of Serravalle di Chienti, Italy | M5.7 | 108 km | 10 km |
| Jan 18, 2017 | 5 km ESE of Cittareale, Italy | M5.7 | 141 km | 7 km |
| Aug 24, 2016 | 5 km S of Castelsantangelo sul Nera, Italy | M5.6 | 130 km | 3 km |
| Jan 18, 2017 | 4 km SE of Cittareale, Italy | M5.6 | 139 km | 10 km |
| Oct 14, 1997 | 8 km NNW of Sellano, Italy | M5.5 | 109 km | 10 km |
| Oct 6, 1997 | 6 km E of Valtopina, Italy | M5.5 | 105 km | 10 km |
| Mar 26, 1998 | 1 km E of Esanatoglia, Italy | M5.4 | 120 km | 10 km |
| Jan 18, 2017 | 4 km SW of Accumoli, Italy | M5.3 | 138 km | 10 km |
| Oct 12, 1997 | 2 km NW of Sellano, Italy | M5.3 | 109 km | 10 km |
| Oct 3, 1997 | 3 km ENE of Valtopina, Italy | M5.3 | 102 km | 10 km |
| Jan 18, 2017 | 3 km N of Montereale, Italy | M5.2 | 144 km | 7 km |
| Apr 3, 1998 | 8 km E of Valfabbrica, Italy | M5.2 | 97 km | 10 km |
| Sep 18, 2023 | 7 km SE of Marradi, Italy | M5.1 | 122 km | 10 km |
| Jun 5, 1993 | 7 km ESE of Valfabbrica, Italy | M4.9 | 94 km | 8 km |
| Mar 1, 2008 | 6 km NNW of Galliano, Italy | M4.8 | 129 km | 4 km |
| Nov 9, 1997 | 2 km NE of Sellano, Italy | M4.8 | 113 km | 10 km |
| Aug 15, 1998 | 3 km NE of Cittaducale, Italy | M4.8 | 130 km | 10 km |
| Apr 6, 2009 | 5 km NW of Scoppito, Italy | M4.8 | 148 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
5 tsunamis recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1846 | LIVORNO | Earthquake | — | 56 | 94 km |
| 1846 | TUSCANY | Earthquake | — | — | 107 km |
| 1742 | LIVORNO | Earthquake | — | — | 127 km |
| 1672 | CENTRAL ADRIATIC | Earthquake | — | 1,500 | 139 km |
| 1646 | LIVORNO | Earthquake | — | — | 122 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Vulsini (48 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Vulsini | Caldera | 800 m (2,625 ft) | -104 | 48 km |
| Colli Albani | Caldera | 949 m (3,114 ft) | Unknown | 163 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 2.1 in | Coldest |
| February | 39°F (4°C) | 2.1 in | |
| March | 43°F (6°C) | 2.1 in | |
| April | 48°F (9°C) | 2.2 in | |
| May | 56°F (14°C) | 2.1 in | |
| June | 63°F (17°C) | 1.5 in | |
| July | 69°F (21°C) | 1.1 in | Warmest, Driest |
| August | 69°F (20°C) | 1.6 in | |
| September | 63°F (17°C) | 2.3 in | |
| October | 55°F (13°C) | 2.8 in | |
| November | 47°F (8°C) | 3.2 in | Wettest |
| December | 41°F (5°C) | 2.4 in |
Seggiano has a seasonal temperature swing of 30°F / from 39°F in January to 69°F in July. Total annual precipitation is 25.4 inches, with November being the wettest month (3.2") and July the driest (1.1").