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Weather & Climate in San Vittore del Lazio, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Vittore del Lazio experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 40°F in January while summers reach 74°F in July. The area gets 311 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 54.2 inches (wetter than the 38-inch national average). The area receives 8.9 inches of snow annually. The city sits at an elevation of 689 feet.
Temperature
40°F Jan (4°C)
74°F Jul (24°C)
| Annual Average | 54.9°F |
| 2% above US avg | |
| January Average | 40°F (4°C) |
| July Average | 74°F (24°C) |
| Sunny Days | 311 days/yr |
Geography
| Elevation | 689 ft (210 m) |
| Area | 22.1 sq mi (57.2 km²) |
| Population Density | 43/sq mi |
| Coordinates | 41.4621°N, 13.9337°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
647 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 | 109 km | 9 km |
| Oct 31, 2002 | 4 km WSW of Larino, Italy | M5.9 | 86 km | 10 km |
| Nov 1, 2002 | 2 km ESE of Casacalenda, Italy | M5.8 | 84 km | 10 km |
| Jan 18, 2017 | 5 km ESE of Cittareale, Italy | M5.7 | 140 km | 7 km |
| Jan 18, 2017 | 4 km SE of Cittareale, Italy | M5.6 | 139 km | 10 km |
| Apr 7, 2009 | 1 km SW of San Panfilo d'Ocre, Italy | M5.5 | 98 km | 15 km |
| Apr 9, 2009 | 5 km SE of Capitignano, Italy | M5.4 | 124 km | 15 km |
| Jan 18, 2017 | 4 km SW of Accumoli, Italy | M5.3 | 146 km | 10 km |
| Feb 26, 1991 | 52 km SW of Anacapri, Italy | M5.3 | 142 km | 401 km |
| Jan 18, 2017 | 3 km N of Montereale, Italy | M5.2 | 134 km | 7 km |
| Apr 9, 2009 | 2 km ESE of Capitignano, Italy | M5.2 | 127 km | 3 km |
| Apr 6, 2009 | 5 km ENE of Pizzoli, Italy | M5.1 | 120 km | 9 km |
| Apr 13, 2009 | 5 km ESE of Capitignano, Italy | M5.0 | 125 km | 8 km |
| Mar 14, 2025 | 14 km NNE of Lesina, Italy | M5.0 | 137 km | 10 km |
| Apr 6, 2009 | 0 km WSW of Coppito, Italy | M4.9 | 112 km | 10 km |
| Aug 26, 2016 | 2 km S of Amatrice, Italy | M4.8 | 137 km | 11 km |
| Apr 6, 2009 | 5 km NW of Scoppito, Italy | M4.8 | 121 km | 5 km |
| Apr 7, 2009 | 1 km SW of L'Aquila, Italy | M4.8 | 108 km | 10 km |
| Feb 16, 2013 | 3 km W of Sora, Italy | M4.8 | 41 km | 11 km |
| Aug 15, 1998 | 3 km NE of Cittaducale, Italy | M4.8 | 131 km | 10 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 | 82 km |
| 1906 | TYRRHENIAN SEA | Astronomical | 0.4 m | 350 | 82 km |
| 1805 | CAMPANIA | Earthquake | — | — | 45 km |
| 1731 | TYRRHENIAN SEA | Earthquake | — | 3,600 | 131 km |
| 1627 | GARGANO PENINSULA | Earthquake | — | 5,000 | 122 km |
| 79 | BAY OF NAPLES | Eruption | — | 2,100 | 82 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Campi Flegrei (73 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Campi Flegrei | Caldera | 458 m (1,503 ft) | 1538 | 73 km |
| Ischia | Complex | 789 m (2,589 ft) | 1302 | 82 km |
| Vesuvius | Stratovolcano | 1,281 m (4,203 ft) | 1944 | 82 km |
| Colli Albani | Caldera | 949 m (3,114 ft) | Unknown | 107 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 3.4 in | Coldest |
| February | 44°F (7°C) | 3.0 in | |
| March | 48°F (9°C) | 2.8 in | |
| April | 53°F (12°C) | 2.9 in | |
| May | 61°F (16°C) | 2.0 in | |
| June | 68°F (20°C) | 1.5 in | |
| July | 74°F (24°C) | 1.2 in | Warmest, Driest |
| August | 74°F (23°C) | 2.0 in | |
| September | 68°F (20°C) | 3.1 in | |
| October | 60°F (15°C) | 4.3 in | |
| November | 51°F (10°C) | 5.2 in | Wettest |
| December | 45°F (7°C) | 4.1 in |
San Vittore del Lazio has a seasonal temperature swing of 35°F / from 40°F in January to 74°F in July. Total annual precipitation is 35.4 inches, with November being the wettest month (5.2") and July the driest (1.2").