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Weather & Climate in Castel del Rio, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Castel del Rio experiences four distinct seasons with an average annual temperature of 51°F (10°C). Winters average 36°F in January while summers reach 69°F in July. The area gets 282 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 46.7 inches (wetter than the 38-inch national average). The area receives 38.3 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 705 feet.
Temperature
36°F Jan (2°C)
69°F Jul (21°C)
| Annual Average | 50.8°F |
| 6% below US avg | |
| January Average | 36°F (2°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 282 days/yr |
Geography
| Elevation | 705 ft (215 m) |
| Area | 70.4 sq mi (182.4 km²) |
| Population Density | 10/sq mi |
| Coordinates | 44.2135°N, 11.5041°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
2,009 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.0.
| May 20, 2012 | 4 km NNE of Massa Finalese, Italy | M6.0 | 78 km | 6 km |
| May 29, 2012 | 1 km ENE of Medolla, Italy | M5.8 | 78 km | 10 km |
| May 29, 2012 | 2 km NE of San Possidonio, Italy | M5.5 | 85 km | 7 km |
| Oct 15, 1996 | 2 km N of Correggio, Italy | M5.4 | 86 km | 10 km |
| Sep 14, 2003 | 3 km E of Monterenzio, Italy | M5.3 | 14 km | 10 km |
| Jun 21, 2013 | 6 km WSW of Minucciano, Italy | M5.2 | 109 km | 5 km |
| Jun 3, 2012 | 3 km ENE of Novi di Modena, Italy | M5.1 | 89 km | 9 km |
| May 29, 2012 | 2 km W of San Possidonio, Italy | M5.1 | 85 km | 10 km |
| Sep 18, 2023 | 7 km SE of Marradi, Italy | M5.1 | 26 km | 10 km |
| May 10, 2000 | 7 km SE of Granarolo, Italy | M5.1 | 41 km | 10 km |
| Nov 2, 2002 | 4 km N of Sant'Alberto, Italy | M5.0 | 67 km | 10 km |
| Jan 27, 2012 | 4 km SE of Berceto, Italy | M5.0 | 121 km | 60 km |
| May 20, 2012 | 1 km SSW of Vigarano Mainarda, Italy | M5.0 | 69 km | 5 km |
| Jul 17, 2011 | 0 km W of Sermide, Italy | M4.9 | 89 km | 6 km |
| Jun 30, 2013 | 6 km SW of Minucciano, Italy | M4.9 | 108 km | 10 km |
| Jan 25, 2012 | 1 km N of Poviglio, Italy | M4.9 | 105 km | 33 km |
| May 20, 2012 | 2 km ENE of Medolla, Italy | M4.9 | 79 km | 10 km |
| Jan 25, 2013 | 3 km ENE of Castiglione di Garfagnana, Italy | M4.9 | 84 km | 16 km |
| May 20, 2012 | 3 km WSW of Bondeno, Italy | M4.8 | 74 km | 3 km |
| May 29, 2012 | 3 km ENE of Novi di Modena, Italy | M4.8 | 88 km | 3 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
8 tsunamis recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1916 | CENTRAL ADRIATIC | Earthquake | - | 4 | 122 km |
| 1875 | ADRIATIC SEA | Earthquake | - | - | 71 km |
| 1846 | LIVORNO | Earthquake | - | 56 | 116 km |
| 1846 | TUSCANY | Earthquake | - | - | 113 km |
| 1742 | LIVORNO | Earthquake | - | - | 131 km |
| 1672 | CENTRAL ADRIATIC | Earthquake | - | 1,500 | 92 km |
| 1646 | LIVORNO | Earthquake | - | - | 120 km |
| 1624 | DELTA OF THE PO | Earthquake | - | - | 49 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Vulsini (183 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Vulsini | Caldera | 800 m (2,625 ft) | -104 | 183 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 36°F (2°C) | 2.4 in | Coldest |
| February | 40°F (4°C) | 2.4 in | |
| March | 46°F (8°C) | 3.0 in | |
| April | 52°F (11°C) | 3.4 in | |
| May | 61°F (16°C) | 2.6 in | |
| June | 67°F (20°C) | 2.8 in | |
| July | 69°F (21°C) | 1.8 in | Driest |
| August | 73°F (23°C) | 2.5 in | Warmest |
| September | 66°F (19°C) | 3.5 in | |
| October | 56°F (14°C) | 3.7 in | |
| November | 46°F (8°C) | 4.6 in | Wettest |
| December | 39°F (4°C) | 3.2 in |
Castel del Rio has a seasonal temperature swing of 37°F / from 36°F in January to 73°F in August. Total annual precipitation is 35.8 inches, with November being the wettest month (4.6") and July the driest (1.8").