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Weather & Climate in Castelliri, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Castelliri enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 43°F in January while summers reach 79°F in July. The area gets 309 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 43.0 inches. The area receives 2.1 inches of snow annually. The city sits at an elevation of 856 feet.
Temperature
43°F Jan (6°C)
79°F Jul (26°C)
| Annual Average | 58.6°F |
| 9% above US avg | |
| January Average | 43°F (6°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 309 days/yr |
Geography
| Elevation | 856 ft (261 m) |
| Area | 11.9 sq mi (30.7 km²) |
| Population Density | 194/sq mi |
| Coordinates | 41.6776°N, 13.5398°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
881 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 | 75 km | 9 km |
| Aug 24, 2016 | 5 km WNW of Accumoli, Italy | M6.2 | 120 km | 4 km |
| Oct 31, 2002 | 4 km WSW of Larino, Italy | M5.9 | 111 km | 10 km |
| Nov 1, 2002 | 2 km ESE of Casacalenda, Italy | M5.8 | 111 km | 10 km |
| Jan 18, 2017 | 5 km ESE of Cittareale, Italy | M5.7 | 106 km | 7 km |
| Jan 18, 2017 | 4 km SE of Cittareale, Italy | M5.6 | 105 km | 10 km |
| Aug 24, 2016 | 5 km S of Castelsantangelo sul Nera, Italy | M5.6 | 133 km | 3 km |
| Apr 7, 2009 | 1 km SW of San Panfilo d'Ocre, Italy | M5.5 | 67 km | 15 km |
| Apr 9, 2009 | 5 km SE of Capitignano, Italy | M5.4 | 91 km | 15 km |
| Oct 12, 1997 | 2 km NW of Sellano, Italy | M5.3 | 146 km | 10 km |
| Jan 18, 2017 | 4 km SW of Accumoli, Italy | M5.3 | 113 km | 10 km |
| Apr 9, 2009 | 2 km ESE of Capitignano, Italy | M5.2 | 95 km | 3 km |
| Jan 18, 2017 | 3 km N of Montereale, Italy | M5.2 | 101 km | 7 km |
| Apr 6, 2009 | 5 km ENE of Pizzoli, Italy | M5.1 | 87 km | 9 km |
| Apr 13, 2009 | 5 km ESE of Capitignano, Italy | M5.0 | 93 km | 8 km |
| Apr 6, 2009 | 0 km WSW of Coppito, Italy | M4.9 | 78 km | 10 km |
| Apr 6, 2009 | 5 km NW of Scoppito, Italy | M4.8 | 85 km | 5 km |
| Feb 16, 2013 | 3 km W of Sora, Italy | M4.8 | 5 km | 11 km |
| Aug 26, 2016 | 2 km S of Amatrice, Italy | M4.8 | 105 km | 11 km |
| Aug 15, 1998 | 3 km NE of Cittaducale, Italy | M4.8 | 93 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
4 tsunamis recorded within 500 km. Highest wave on record: 5.0 m (16 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1631 | BAY OF NAPLES | Eruption | 5.0 m | 4,000 | 121 km |
| 1906 | TYRRHENIAN SEA | Astronomical | 0.4 m | 350 | 121 km |
| 1805 | CAMPANIA | Earthquake | — | — | 80 km |
| 79 | BAY OF NAPLES | Eruption | — | 2,100 | 121 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Colli Albani (70 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Colli Albani | Caldera | 949 m (3,114 ft) | Unknown | 70 km |
| Campi Flegrei | Caldera | 458 m (1,503 ft) | 1538 | 107 km |
| Ischia | Complex | 789 m (2,589 ft) | 1302 | 110 km |
| Vesuvius | Stratovolcano | 1,281 m (4,203 ft) | 1944 | 121 km |
| Vulsini | Caldera | 800 m (2,625 ft) | -104 | 168 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 2.7 in | |
| February | 39°F (4°C) | 2.8 in | Coldest |
| March | 43°F (6°C) | 2.6 in | |
| April | 48°F (9°C) | 3.3 in | |
| May | 57°F (14°C) | 2.7 in | |
| June | 63°F (17°C) | 2.2 in | |
| July | 79°F (26°C) | 2.0 in | Warmest, Driest |
| August | 69°F (21°C) | 2.3 in | |
| September | 63°F (17°C) | 3.5 in | |
| October | 55°F (13°C) | 4.4 in | |
| November | 46°F (8°C) | 4.7 in | Wettest |
| December | 40°F (5°C) | 3.6 in |
Castelliri has a seasonal temperature swing of 40°F / from 39°F in February to 79°F in July. Total annual precipitation is 36.8 inches, with November being the wettest month (4.7") and July the driest (2.0").