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Weather & Climate in Castiglion Fiorentino, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Castiglion Fiorentino experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 39°F in January while summers reach 74°F in July. The area gets 295 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 37.9 inches. The area receives 11.9 inches of snow annually. The city sits at an elevation of 1,132 feet.
Temperature
39°F Jan (4°C)
74°F Jul (23°C)
| Annual Average | 54.8°F |
| 1% above US avg | |
| January Average | 39°F (4°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 295 days/yr |
Geography
| Elevation | 1,132 ft (345 m) |
| Area | 60.9 sq mi (157.6 km²) |
| Population Density | 137/sq mi |
| Coordinates | 43.3431°N, 11.9200°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
2,173 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 | 124 km | 4 km |
| Sep 26, 1997 | 3 km SSE of Nocera Umbra, Italy | M6.0 | 78 km | 10 km |
| Jan 18, 2017 | 5 km ESE of Cittareale, Italy | M5.7 | 135 km | 7 km |
| Sep 26, 1997 | 6 km WSW of Serravalle di Chienti, Italy | M5.7 | 84 km | 10 km |
| Jan 18, 2017 | 4 km SE of Cittareale, Italy | M5.6 | 133 km | 10 km |
| Aug 24, 2016 | 5 km S of Castelsantangelo sul Nera, Italy | M5.6 | 115 km | 3 km |
| Oct 6, 1997 | 6 km E of Valtopina, Italy | M5.5 | 81 km | 10 km |
| Oct 14, 1997 | 8 km NNW of Sellano, Italy | M5.5 | 90 km | 10 km |
| Mar 26, 1998 | 1 km E of Esanatoglia, Italy | M5.4 | 86 km | 10 km |
| Jul 21, 2013 | 3 km ENE of Marcelli, Italy | M5.4 | 142 km | 8 km |
| Jan 18, 2017 | 4 km SW of Accumoli, Italy | M5.3 | 130 km | 10 km |
| Sep 14, 2003 | 3 km E of Monterenzio, Italy | M5.3 | 116 km | 10 km |
| Oct 3, 1997 | 3 km ENE of Valtopina, Italy | M5.3 | 77 km | 10 km |
| Oct 12, 1997 | 2 km NW of Sellano, Italy | M5.3 | 93 km | 10 km |
| Apr 9, 2009 | 2 km ESE of Capitignano, Italy | M5.2 | 147 km | 3 km |
| Apr 3, 1998 | 8 km E of Valfabbrica, Italy | M5.2 | 66 km | 10 km |
| Jan 18, 2017 | 3 km N of Montereale, Italy | M5.2 | 139 km | 7 km |
| Sep 18, 2023 | 7 km SE of Marradi, Italy | M5.1 | 78 km | 10 km |
| May 10, 2000 | 7 km SE of Granarolo, Italy | M5.1 | 108 km | 10 km |
| Nov 2, 2002 | 4 km N of Sant'Alberto, Italy | M5.0 | 139 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
9 tsunamis recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1930 | CENTRAL ADRIATIC | Earthquake | — | 18 | 140 km |
| 1916 | CENTRAL ADRIATIC | Earthquake | — | 4 | 117 km |
| 1875 | ADRIATIC SEA | Earthquake | — | — | 103 km |
| 1846 | LIVORNO | Earthquake | — | 56 | 107 km |
| 1846 | TUSCANY | Earthquake | — | — | 116 km |
| 1742 | LIVORNO | Earthquake | — | — | 140 km |
| 1672 | CENTRAL ADRIATIC | Earthquake | — | 1,500 | 85 km |
| 1646 | LIVORNO | Earthquake | — | — | 131 km |
| 1624 | DELTA OF THE PO | Earthquake | — | — | 140 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Vulsini (83 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Vulsini | Caldera | 800 m (2,625 ft) | -104 | 83 km |
| Colli Albani | Caldera | 949 m (3,114 ft) | Unknown | 190 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 2.5 in | Coldest |
| February | 42°F (5°C) | 2.8 in | |
| March | 46°F (8°C) | 2.8 in | |
| April | 51°F (11°C) | 3.3 in | |
| May | 60°F (15°C) | 2.9 in | |
| June | 66°F (19°C) | 2.6 in | |
| July | 74°F (23°C) | 1.6 in | Warmest, Driest |
| August | 72°F (22°C) | 2.1 in | |
| September | 65°F (19°C) | 3.1 in | |
| October | 57°F (14°C) | 4.0 in | |
| November | 48°F (9°C) | 4.5 in | Wettest |
| December | 42°F (5°C) | 3.4 in |
Castiglion Fiorentino has a seasonal temperature swing of 35°F / from 39°F in January to 74°F in July. Total annual precipitation is 35.5 inches, with November being the wettest month (4.5") and July the driest (1.6").