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Weather & Climate in Casalvieri, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Casalvieri 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 1,247 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 | 1,247 ft (380 m) |
| Area | 11.9 sq mi (30.7 km²) |
| Population Density | 33/sq mi |
| Coordinates | 41.6333°N, 13.7136°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
768 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 | 84 km | 9 km |
| Aug 24, 2016 | 5 km WNW of Accumoli, Italy | M6.2 | 129 km | 4 km |
| Oct 31, 2002 | 4 km WSW of Larino, Italy | M5.9 | 98 km | 10 km |
| Nov 1, 2002 | 2 km ESE of Casacalenda, Italy | M5.8 | 97 km | 10 km |
| Jan 18, 2017 | 5 km ESE of Cittareale, Italy | M5.7 | 115 km | 7 km |
| Aug 24, 2016 | 5 km S of Castelsantangelo sul Nera, Italy | M5.6 | 142 km | 3 km |
| Jan 18, 2017 | 4 km SE of Cittareale, Italy | M5.6 | 114 km | 10 km |
| Apr 7, 2009 | 1 km SW of San Panfilo d'Ocre, Italy | M5.5 | 74 km | 15 km |
| Apr 9, 2009 | 5 km SE of Capitignano, Italy | M5.4 | 99 km | 15 km |
| Jan 18, 2017 | 4 km SW of Accumoli, Italy | M5.3 | 122 km | 10 km |
| Apr 9, 2009 | 2 km ESE of Capitignano, Italy | M5.2 | 103 km | 3 km |
| Jan 18, 2017 | 3 km N of Montereale, Italy | M5.2 | 110 km | 7 km |
| Apr 6, 2009 | 5 km ENE of Pizzoli, Italy | M5.1 | 95 km | 9 km |
| Mar 14, 2025 | 14 km NNE of Lesina, Italy | M5.0 | 148 km | 10 km |
| Apr 13, 2009 | 5 km ESE of Capitignano, Italy | M5.0 | 101 km | 8 km |
| Apr 6, 2009 | 0 km WSW of Coppito, Italy | M4.9 | 87 km | 10 km |
| Apr 7, 2009 | 1 km SW of L'Aquila, Italy | M4.8 | 83 km | 10 km |
| Aug 26, 2016 | 2 km S of Amatrice, Italy | M4.8 | 113 km | 11 km |
| Aug 15, 1998 | 3 km NE of Cittaducale, Italy | M4.8 | 105 km | 10 km |
| Apr 6, 2009 | 5 km NW of Scoppito, Italy | M4.8 | 95 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
6 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 | 108 km |
| 1906 | TYRRHENIAN SEA | Astronomical | 0.4 m | 350 | 108 km |
| 1805 | CAMPANIA | Earthquake | — | — | 64 km |
| 1731 | TYRRHENIAN SEA | Earthquake | — | 3,600 | 149 km |
| 1627 | GARGANO PENINSULA | Earthquake | — | 5,000 | 136 km |
| 79 | BAY OF NAPLES | Eruption | — | 2,100 | 108 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Colli Albani (85 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Colli Albani | Caldera | 949 m (3,114 ft) | Unknown | 85 km |
| Campi Flegrei | Caldera | 458 m (1,503 ft) | 1538 | 97 km |
| Ischia | Complex | 789 m (2,589 ft) | 1302 | 102 km |
| Vesuvius | Stratovolcano | 1,281 m (4,203 ft) | 1944 | 108 km |
| Vulsini | Caldera | 800 m (2,625 ft) | -104 | 182 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 3.0 in | |
| February | 41°F (5°C) | 2.9 in | Coldest |
| March | 45°F (7°C) | 2.6 in | |
| April | 50°F (10°C) | 3.1 in | |
| May | 58°F (15°C) | 2.4 in | |
| June | 65°F (18°C) | 1.9 in | |
| July | 79°F (26°C) | 1.7 in | Warmest, Driest |
| August | 71°F (22°C) | 2.1 in | |
| September | 64°F (18°C) | 3.2 in | |
| October | 56°F (14°C) | 4.2 in | |
| November | 48°F (9°C) | 4.8 in | Wettest |
| December | 42°F (5°C) | 3.7 in |
Casalvieri has a seasonal temperature swing of 38°F / from 41°F in February to 79°F in July. Total annual precipitation is 35.6 inches, with November being the wettest month (4.8") and July the driest (1.7").