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Weather & Climate in San Terenziano, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Terenziano enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 42°F in January while summers reach 78°F in July. The area gets 307 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 38.9 inches. The area receives 4.8 inches of snow annually. The city sits at an elevation of 1,690 feet.
Temperature
42°F Jan (5°C)
78°F Jul (26°C)
| Annual Average | 58.0°F |
| 7% above US avg | |
| January Average | 42°F (5°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 307 days/yr |
Geography
| Elevation | 1,690 ft (515 m) |
| Area | 106.5 sq mi (275.7 km²) |
| Population Density | 11/sq mi |
| Coordinates | 42.8673°N, 12.4732°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
1,673 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 | 92 km | 9 km |
| Aug 24, 2016 | 5 km WNW of Accumoli, Italy | M6.2 | 61 km | 4 km |
| Sep 26, 1997 | 3 km SSE of Nocera Umbra, Italy | M6.0 | 37 km | 10 km |
| Sep 26, 1997 | 6 km WSW of Serravalle di Chienti, Italy | M5.7 | 39 km | 10 km |
| Jan 18, 2017 | 5 km ESE of Cittareale, Italy | M5.7 | 68 km | 7 km |
| Jan 18, 2017 | 4 km SE of Cittareale, Italy | M5.6 | 66 km | 10 km |
| Aug 24, 2016 | 5 km S of Castelsantangelo sul Nera, Italy | M5.6 | 56 km | 3 km |
| Oct 6, 1997 | 6 km E of Valtopina, Italy | M5.5 | 36 km | 10 km |
| Apr 7, 2009 | 1 km SW of San Panfilo d'Ocre, Italy | M5.5 | 105 km | 15 km |
| Oct 14, 1997 | 8 km NNW of Sellano, Italy | M5.5 | 36 km | 10 km |
| Apr 9, 2009 | 5 km SE of Capitignano, Italy | M5.4 | 83 km | 15 km |
| Jul 21, 2013 | 3 km ENE of Marcelli, Italy | M5.4 | 120 km | 8 km |
| Mar 26, 1998 | 1 km E of Esanatoglia, Italy | M5.4 | 59 km | 10 km |
| Oct 12, 1997 | 2 km NW of Sellano, Italy | M5.3 | 35 km | 10 km |
| Jan 18, 2017 | 4 km SW of Accumoli, Italy | M5.3 | 64 km | 10 km |
| Oct 3, 1997 | 3 km ENE of Valtopina, Italy | M5.3 | 35 km | 10 km |
| Apr 9, 2009 | 2 km ESE of Capitignano, Italy | M5.2 | 80 km | 3 km |
| Jan 18, 2017 | 3 km N of Montereale, Italy | M5.2 | 72 km | 7 km |
| Apr 3, 1998 | 8 km E of Valfabbrica, Italy | M5.2 | 38 km | 10 km |
| Apr 6, 2009 | 5 km ENE of Pizzoli, Italy | M5.1 | 86 km | 9 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
4 tsunamis recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1930 | CENTRAL ADRIATIC | Earthquake | — | 18 | 140 km |
| 1916 | CENTRAL ADRIATIC | Earthquake | — | 4 | 137 km |
| 1875 | ADRIATIC SEA | Earthquake | — | — | 148 km |
| 1672 | CENTRAL ADRIATIC | Earthquake | — | 1,500 | 119 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Vulsini (53 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Vulsini | Caldera | 800 m (2,625 ft) | -104 | 53 km |
| Colli Albani | Caldera | 949 m (3,114 ft) | Unknown | 128 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (5°C) | 1.6 in | Coldest |
| February | 43°F (6°C) | 1.9 in | |
| March | 47°F (8°C) | 1.9 in | |
| April | 52°F (11°C) | 2.1 in | |
| May | 61°F (16°C) | 2.2 in | |
| June | 67°F (20°C) | 1.9 in | |
| July | 78°F (26°C) | 1.1 in | Warmest, Driest |
| August | 73°F (23°C) | 1.6 in | |
| September | 67°F (19°C) | 2.4 in | |
| October | 58°F (14°C) | 2.9 in | |
| November | 48°F (9°C) | 3.0 in | Wettest |
| December | 42°F (6°C) | 2.3 in |
San Terenziano has a seasonal temperature swing of 37°F / from 42°F in January to 78°F in July. Total annual precipitation is 24.8 inches, with November being the wettest month (3.0") and July the driest (1.1").